Atlas IED DPA-602 User manual

– 1 –
AtlasIED.com
TELEPHONE: [phone]
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1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
DPA602 / DPA1202 / DPA2402
Digital Power Amplifiers

– 2 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Table of Contents
Important Safety Instructions................................................................................................................................................................................. 3
Introduction ........................................................................................................................................................................................................... 5
Key Features.......................................................................................................................................................................................................... 5
DPA Amplifier Configuration.................................................................................................................................................................................. 6
Front Panel Description .......................................................................................................................................................................................... 8
Rear Panel Description ..........................................................................................................................................................................................10
Accessory Card Slot ..............................................................................................................................................................................................11
Accessing the GUI Control Panel ......................................................................................................................................................................... 12
I. Direct Connection via Ethernet...................................................................................................................................................................... 12
II. Web Browser via Network Router ................................................................................................................................................................ 13
III. AtlasIED DPA Site Manager Software ......................................................................................................................................................... 13
IV. Smartphone or Tablet ................................................................................................................................................................................... 14
V. Static IP - Accessing the DPA Outside the Local Network ........................................................................................................................... 15
Resetting the IP Address, Login Password & Username to Factory Default....................................................................................................... 15
Identifying the Firmware Version.......................................................................................................................................................................... 16
GUI Pages Defined................................................................................................................................................................................................17
User / Home Page ............................................................................................................................................................................................17
Password Login..................................................................................................................................................................................................17
Setup Page........................................................................................................................................................................................................ 18
Amp Configuration Page ................................................................................................................................................................................... 19
Mute, Link & Port Assign Page ......................................................................................................................................................................... 20
Input & Output Router Page ............................................................................................................................................................................. 21
Hi & Lo Pass Filter Page ................................................................................................................................................................................... 22
Output EQ Page................................................................................................................................................................................................ 23
Output Level Page ............................................................................................................................................................................................ 24
Output Delay Page ............................................................................................................................................................................................ 25
Output Limiter Page.......................................................................................................................................................................................... 26
Remote Level Control Port Assignment & Wiring............................................................................................................................................. 27
Input Mute Assignment ....................................................................................................................................................................................... 32
Accessory Card Installation.................................................................................................................................................................................. 34
Installation and Considerations ............................................................................................................................................................................ 34
Understanding the 3 AC Power Consumption Idle States ................................................................................................................................... 35
120V & 220V Operation........................................................................................................................................................................................ 35
Specifications ....................................................................................................................................................................................................... 36
Warranty ............................................................................................................................................................................................................... 40

– 3 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Important Safety Instructions
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this device near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other device that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A
grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided
plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the
device.
11. Only use attachments / accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the device. When a cart is used, use caution
when moving the cart / device combination to avoid injury from tip-over.
13. Unplug this device during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the device has been damaged in any way, such as power-supply cord
or plug is damaged, liquid has been spilled, or objects have fallen into the device, the device has been exposed to rain or moisture, does not
operate normally, or has been dropped.
15. This product is equipped with a three-wire grounding-type plug, a plug having a third (grounding) pin. This plug will only fit into a grounding-type
power outlet. This is a safety feature. If you are unable to insert the plug into the outlet, contact your electrician to replace your obsolete outlet. Do
not defeat the safety purpose of the grounding-type plug.
16. WARNING: To reduce the risk of fire or electric shock, this device should not be exposed to rain or moisture and objects filled with liquids, such as
a vase, should not be placed on this device.
17. To completely disconnect this equipment from the mains, disconnect the power supply cord plug from the receptacle.
18. The mains plug of the power supply cord shall remain readily operable.
19. Protective earthing terminal. The apparatus should be connected to a mains socket with a protective earthing connection.
The lightning flash with arrowhead symbol within an equilateral triangle,
is intended to alert the user to the presence of uninsulated “dangerous
voltage “ within the product’s enclosure that may be of sufficient
magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to
alert the user to the presence of important operating and maintenance
(servicing) instructions in the literature accompanying the product.
WARNING: SHOCK HAZARD - DO NOT OPEN
AVIS: RISQUE DE CHOC ELÉCTRIQUE - NE PAS OUVRIR
WARNING:TO REDUCETHE RISK OF FIRE OR ELECTRIC SHOCK
DO NOT EXPOSETHIS EQUIPMENT TO RAIN OR MOISTURE
AVIS: NE PAS EXPOSER CE MATÉRIEL À LA PLUIE OU L’HUMIDITE
AFIN DE REDUIRE LE RISQUE D’INFLAMMATION OU DE CHOC ELÉCTRIQUE

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DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
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ENNIS, TEXAS 75119 U.S.A.
WARNING - WhenThe Device Is In Use
• WARNING: For the terminals marked with symbol of may be of sufficient magnitude to constitute a risk of electric shock. The external wiring
connected to the terminals requires installation by an instructed person or the used of ready-made leads or cords.
• WARNING: The apparatus shall not be exposed to dripping or splashing and that objects filled with liquids, such as vases, shall not be placed on
apparatus.
• WARNING: The mains plug is used as disconnect device, the disconnect device shall remain readily operable.
• To prevent electric shock, do not remove the product cover as there are high voltage components inside. Refer all servicing to
AtlasIED.
• Should any of the following irregularities occur during use, immediately switch off the power, disconnect the power cord from the AC outlet and
contact AtlasIED. Do not to attempt to continue operation with the product as this may cause fire or electric shock:
• Smoke or strange smell coming from the unit.
• If the product falls or the case is damaged.
• If water or any metallic objects falls into the product.
• If the power supply cord is damaged in any way.
• If the unit is malfunctioning.
• Do not insert or drop metallic objects or flammable materials into the ventilation holes of the product's cover, as this may result in electric shock or
fire.
• Do not place any containers with liquid or metallic objects on the top of the product. If any liquid spills into the unit, fire or electric shock may result.
• Never operate this product or touch the power supply cord during an electrical storm, electric shock may result.
• Never exceed the power rating on the product when connecting equipment. Fire and/or property damage may result.
• Operate the product only with the voltage specified on the unit. Fire and/or electric shock may result if a higher voltage is used.
• Do not modify, kink, or cut the power cord. Do not place the power cord in close proximity to heaters and do not place heavy objects on the power
cord, including the product itself, doing so may result in fire or electrical shock.
• Ensure that the safety ground terminal is connected to a proper ground. Never connect the ground to a gas pipe as a catastrophic disaster may
result.
• Be sure the installation of the product is stable, avoid slanted surfaces as the product may fall and cause injury or property damage.
CAUTION - When Installing The Product
• Plugging in or unplugging the power cord with wet hands may result in electric shock.
• Never move the unit with the power cord plugged into the wall, as damage to the power cord may result.
• When unplugging the cord from the wall, grasp the plug, NOT the cord.
• Never install this product in humid or dusty locations, nor in direct sunlight, near sources of heat, or in areas where sooty smoke or steam are
present. Fire and electric shock may result.
• Keep all sides of the unit at least 31/2" away from objects that may obstruct air flow to prevent the unit's internal temperature rise.
CAUTION - When The Product Is In Use
• Never place heavy objects on the product, causing it to fall and/or break, resulting in personal injury and property damage. In addition, the product
itself may fall and cause injury and property damage.
• Contact AtlasIED for instructions on cleaning the inside of the unit. Large accumulations of dust inside the unit may result in heat buildup and fire.
• Ensure that the power supply plug is securely plugged into the wall outlet. Never allow dust to accumulate on the power plug or inside the wall
outlet.
• When cleaning the unit or the unit is not to be operated for an extended period, unplug the power cord from the wall.

– 5 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Introduction
The AtlasIED DPA amplifier series features a combination of flexibility, performance and control to provide high value features for applications
that require more than just great sound. The network based DPA602, DPA1202 and DPA2402 are DSP controlled 4-channel amplifiers that can
be configured in three different amplification arrangements to meet the design requirements of any installation. These DPA models are factory
preconfigured in a two-channel 70V mode. If the design requires four channels of low impedance amplification, the DPA amplifiers can be configured
as 4-channel models with either 4-Ohm or 8-Ohm load impedances. Many system designs require both low and high impedance amplification. These
DPA models can be configured to deliver 70V / 100V for a paging / background system on a single channel plus two additional 4/8-Ohm amplifier
channels for a foreground stereo application.
These DPA models come standard with four balanced line inputs and an accessory slot for an optional DPA-DAC4 4-channel Dante™receiver card or a
DPA-AMIX (2) mic / line, (2) AUX input card, giving the DPA602, DPA1202 and the DPA2402 a total of 8 inputs. All inputs can be mixed and routed to
any of the four amplifier channels. All four amplifier channels have an assortment of DSP tools including level controls, EQ’s, limiters, high & low pass
filters, and delay to provide flexibility for a range of applications.
DPA Series amplifiers feature either local or network control making them a true “game changer” with amplifiers in the commercial audio world.
The output level can be assigned to either the front panel potentiometers or to the on board GUI. Wired remote level control and input select can be
configured to allow simple control for the end user. Each unit also features GUI based input and output level metering along with assignable mute
functions that are triggered via an audio signal or contact closure. Access to the DSP settings is accomplished via computer, tablet or mobile device
using a web browser. All settings can be password protected.
The DPA series amplifiers also include PC based site manager software that automatically searches within a specific network for all DPA amplifiers on
the network. It will list them and allow a single click access to any unit. The DPA Site Manager software can do a variety of functions besides locating
IP addresses such as; fault reporting, input & output status, standby status and remote activation via a scheduler timer.
The DPA602, DPA1202 and the DPA2402 is ready to use, out of the box for two channel 70V / 100V mode, with no configuration or network
connectivity required making them a cost effective solution even for applications that do not require processing or network control.
Key Features
DPA602 configuration levels
• 2 x 300 Watt 70V / 100V
• 4 x 150 Watt @ 4Ω
• 1 x 300 Watt 70V / 100V & 2 x 150 Watt @ 4Ω
DPA1202 configuration levels
• 2 x 600 Watt 70V / 100V
• 4 x 300 Watt @ 4Ω
• 1 x 600 Watt 70V / 100V & 2 x 300 Watt @ 4Ω
DPA2402 configuration levels
• 2 x 1200 Watt 70V / 100V
• 4 x 500 Watt @ 4Ω
• 1 x 1200 Watt 70V / 100V & 2 x 500 Watt @ 4Ω
• No computer required to use
• Configurable DSP
• PC, iOS®, & Android®controllable
• User page with assignable input & output level control
• Site manager software with network auto-discovery fault reporting,
input & output status, standby status and remote activation via a
scheduler timer
• On board web GUI for remote monitoring of status & levels
• Mute assignments triggered via audio signal or contact closure
• Audio sense, turn-on/off
• 4 balanced inputs (up to 8 inputs with optional accessory card)
• Optional accessory card slot for a DPA-DAC4 4-channel Dante™
receiver card or a DPA-AMIX (2) mic / line, (2) AUX input card
• Assignable level controls, on board GUI (security password
protected) or by front panel pots with tamper deterring covers
• Wired remote level control when used with optional WPD-VC10K
• Wired remote input select & level control when used with optional
WPD-RISRL

– 6 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Applications
The flexible DSP, remote web monitoring, and control of the DPA Series amplifiers makes them the perfect choice for presentation rooms, classrooms,
conference rooms, and retail background / foreground music applications.
DPA Amplifier Configurations
Note: For illustration purposes, model DPA2402 is used for all examples. The DPA602 and DPA1202 will be wired and configured just like the
DPA2402. All DPA models have the same features and panel layout. The differences between models are in the output power levels and the physical
size, models DPA602 and DPA1202 are 1RU height while the DPA2402 is 2RU height.
Configuration #1 2-Channel 70V / 100V (Factory Default)

– 7 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
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Configuration #2 Four-Channel 4/8-Ohm
Configuration #3 1-Channel 70V / 100V & 2-Channel 4/8-Ohm

– 8 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Front Panel
1. Power Switch
This toggles the amplifier between Active Mode or Sleep Mode. Refer to section “Understanding the 3 Amplifier Idle States”
2. Power Indicator
The DPA amplifier has three states of Idle power that are indicated as follows:
A. Idle Active Mode - When the LED outer ring of the power switch illuminates a steady state blue color, the amplifier is in Active Mode and is
ready to pass audio.
B. Sleep Mode - When the outer ring LED is Off, the amp is in Sleep Mode. In Sleep Mode, the Ethernet is active for access to the amplifiers on
board GUI. The amplifier output stage and DSP is off. Audio will not pass in Sleep Mode.
C. Standby APD Mode - When the amplifier Auto Power Down (APD) is enabled and the amplifier is in the APD mode, the LED outer ring will blink
blue once every 5 seconds.
For further information refer to section “Understanding the 3 Amplifier Idle States” on page 35.
3. Operating Mode Indicators
The DPA 19" rack models are four-channel amplifiers that can be configured three ways. The LED’s in this area indicate the configuration of the
amplifier. These indicators illustrate if Channels 1/2 and 3/4 can be operated separately in 4/8Ωmode or if they are combined making a 70V / 100V
output. Amplifier operation mode setting is completed using the internal DSP GUI.
A. 2-Channel High impedance 70V / 100V mode
B. 4-Channel Low impedance 4Ωor 8Ωmode
C. 1-Channel High impedance 70V / 100V mode & 2-Channel Low impedance 4/8Ωmode
4. Channel 1, 2, 3, 4 Signal LED
The Signal LED will illuminate green if audio signal is present at the Output of the amplifier.
5. Channel 1, 2, 3, 4 Limit/Protect/Mute LED
The Limit / Protect LEDs will illuminate Red if one of the following conditions occurs.
A. Any channel of the DPA amplifier reaches maximum output power. The DPA features an adjustable amplifier OUTPUT limiter which helps
prevent the amplifier from hard clipping. An occasional flash of the LED is OK but if the LED illuminates continuously reduce the input level of
the amp. If the Clip LED remains On after reducing the input level, recheck the load connected to the amplifier.
B. The OUTPUT has been Muted in the GUI.
C. A fault is detected within the amplifier. Once the fault is corrected, it may be required to reset the AC Mains power to reset the amplifier
protect mode.
34
6
5
1277

– 9 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Front Panel
6. Channel 1, 2, 3, 4 Level Controls
Each model has four potentiometer level controls on the front panel, one level control for each of the four amplifier channels. Each model is shipped
factory pre-configured for 2- CH 70V / 100V mode. CH 1/2 & 3/4 are combined to make two High Impedance
70V / 100V channels. The potentiometer for CH 1 controls the level for the CH 1/2 70V / 100V amplifier output, while the CH 3 potentiometer controls
CH 3/4 70V / 100V amplifier output. Pots 2 & 4 are disabled. Note: The front panel level controls ship enabled but can be defeated in the DSP GUI. If
the front panel level controls are used, knobs can be placed on the potentiometer shaft for ease of operation or can be removed and replaced with the
included security covers to prevent tampering.
7. Air Exhaust
Each model includes convection cooling with dynamic fan assist for extreme conditions. If the unit is not being used or in Standby mode, the fan is
not needed for cooling and remains Off until the unit is in heavy use. As heat is generated in the amplifier during use, the fan activates at a low speed
and increases as needed to keep the amplifier at safe operating temperature. This cooling method eliminates the need for air filters that can become
clogged and require maintenance. The DPA amplifier’s air flow is from rear to front.
Front Panel
Knob
Security Cover
or

– 10 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
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Rear Panel
1. IEC AC Receptacle
The DPA amplifier can operate from 110V - 120V & 220V - 240V. The amplifier will automatically sense the AC Mains voltage and will automatically
change voltage settings. Note: The DPA602 & DPA1202 use the same fuse for 120V or 230V operation. The DPA2402 will need the fuse changed. For
120V operation the fuse rating is 12A and for 230V the fuse rating is 6.3A. The included IEC cord is designed to work with 110 - 120VAC. A separate
IEC cord will need to be purchased for 220 - 240VAC operation.
2. AC Mains Fuse
• DPA602 T4AL 250v, 4A ,Slow Blow, 5mm x 20mm, Glass, LITTELFUSE #: 0218004.HXP for 120V & 230V Operation
• DPA1202 T8AL 250v, 8A, Slow Blow, 5mm x 20mm, Glass, LITTELFUSE #: 0218008.HXP for 120V & 230V Operation
• DPA2402 T12AL 250v, 12A, Slow Blow, 5mm x 20mm, Ceramic, LITTELFUSE #: 0215012.MXP for 120V Operation
• DPA2402 T6.3AL 250v, 6.3A, Slow Blow, 5mm x 20mm, Ceramic, LITTELFUSE #: 21506.3P for 230V Operation
3. Input Connections
Inputs 1 - 4 accept balanced input signals via the removable 3.5mm Phoenix type connector. For wiring follow the labeling on the rear of the amp.
For unbalanced signals connect the (–) and (GND) pins together.
Note: Amplifier Configuration and I/O Routing are done in the GUI. Any Input can be routed to any Output. The DPA is factory shipped preconfigured in
a two-channel 70V / 100V mode. The I/O Router is configured as follows: Input 1 is routed to Outputs 1/2 and Input 3 is routed to Outputs 3/4.
1245 6 7 3

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DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
4. Speaker Connection
A screw terminal block connector is supplied to connect your speakers to the DPA amplifier. It is recommended to use Class 3 rated, 14-gauge wire or
lower for speaker wiring. Amplifier output channel configurations are done in the amplifier GUI. The DPA is shipped with two speaker output terminal
covers. AtlasIED recommends placing the security covers on the amplifier after wiring and before turning the amplifier on for configuration. Included in
the carton are 8 (QTY) spade crimp terminals that accept 12-gauge wire and 4 (QTY) security cover screws (M3 x 8mm). Terminal block screws are M4.
Note: The DPA amp is preconfigured at the factory for two-channel 70V / 100V mode. Follow the manual wiring information to connect the distributed
audio system.
5. Ethernet Port
Connect the amplifier to the network, local computer, or router/switch using CAT5 cable to access the amplifier’s DSP and control settings.
6. Control Ports
The DPA Series allows you to assign / configure the four control ports located on the rear of the DPA amplifier to perform Remote Level or Mute
functions. Note: Each Control Port pin can only be assigned to one function such as Mute or Level, but not both. Control Port assignment is done in
the DPA GUI “Mute, Link, Port Assignment Page”. See page 20 for details on how to connect / assign a Remote Level and a Contact Closure Mute.
Note: The factory default assignments for the DPA Amplifier Control Ports are as follows:
Control Port Factory Default Settings (Refer to Remote Level Control)
• C1 Controls CH 1/2 70V / 100V Output Remote Level
• C2 Not Assigned
• C3 Controls CH 3/ 4 70V / 100V Output Remote Level
• C4 Not Assigned
7. Accessory Card Slot
The DPA602, DPA1202, and DPA2402 offer 4 additional inputs that can be routed to any of the four output channels. Optional accessory cards
DPA-DAC4 (Four-Channel Dante™Digital Audio Input Card) and DPA-AMIX (Four-Channel Analog Mic / Line, Auxiliary Input Card) are available. Contact
AtlasIED for a list of accessory cards. See section “Accessory Card Installation” on Page 34 for information on installation or damage may occur.
Note: Accessory card installation must be done by a qualified technician.
Note: In standby mode there are DC voltages present at the accessory card port. The the DPA amp must be removed from the AC Mains source in
order to prevent damage to the card or amplifier.

– 12 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Accessing the GUI Control Panel
DPA amplifiers include a unique set of features and configurations. All DPA amplifiers are configured from the factory out of the box to operate as
traditional commercial power amplifiers. Ethernet connectivity is not required for operation of a DPA amplifier. However, to take full advantage of the
DSP settings such as, EQ, High & Low Cut filters, level control / assignment and limiter settings, the DPA Control Panel must be accessed via the
network or local computer. External software is not required to operate the DPA amplifier; the software is embedded onto the amplifier in what is
called the web browser GUI Control Panel interface. To access the onboard control panel, follow one of the five methods listed below.
Accessing the GUI Control Panel
I. Direct Connection via Ethernet
II. Web Browser via Network Router
III. AtlasIED DPA Site Manager Software
IV. Smartphone or Tablet
V. Accessing the DPA Outside the Local Network
I. Direct Connection via Ethernet
Use this method if there is no network access available.
1. Connect an Ethernet cable from a laptop or desktop computer to the Ethernet Input on the DPA amplifier. Most computers will allow direct
connection from the DPA amplifier using a standard CAT5 cable. Some older computers may require the use of a Crossover cable to connect to
the DPA amplifier. If a connection cannot be made using a CAT5 cable, use a Crossover cable.
2. Turn OFF the computer’s Wi-Fi.
3. Open a Web browser, AtlasIED suggests using Google Chrome or Mozilla Firefox.
4. In the Web Browser address bar, type in the following: http://DPA602 and hit enter. For this example we are connecting to the DPA model DPA602.
An example is shown in Figure 1.
5. Out of the box the amplifier’s model number is all that is needed to connect. It is not case sensitive, but the full exact name is required.
Note: During configuration, the amplifier’s name can be changed. As an example at a school the amp may be renamed “ROOM1”. After the name
is changed, follow the same process to log onto the amp as outlined above, but change the name from “http://dpa602” to “http://room1”.
6. The amplifier will be discovered and the DPA User PC Control Page will launch after pressing the “Enter” key. An example of the DPA User PC
Control Page GUI web page is shown in Figure 2.
7. The DPA amplifier’s IP address can be directly entered into the Web Browser to access the DPA GUI. Example: “http://192.168.1.110”.
Note: It is required to enter the Administrator Name and Password to access the home page. Factory default for User Name is “admin” and the
password is “admin”. The first time you login you will be required to change the default password. See page 17. If the username and password
become lost, performing an IP reset will also reset the username and password to defaults. This reset will does not alter amplifier settings other
than the network configuration and username/password.
Note: When on the Mobile Page, on the Setup page, the faders will not function. To make setting changes the value of change must be entered in
the data box. In the amp configure page the Level faders can be linked together for stereo level adjustment.
Figure 1

– 13 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
II. Web Browser via Network Router
This method is very similar to the Direct Connection method covered in Section 1, but using a web browser on your local network to find the DPA
amp.
1. Connect the DPA Amplifier using a standard Ethernet cable to a Router. Make sure the Router is in DHCP mode, the usual default.
2. Connect your computer to the same Router via an Ethernet cable or Wi-Fi.
3. Open a Web browser, AtlasIED suggests using Google Chrome or Mozilla Firefox.
4. In the Web Browser address bar, type in the following: http://DPA602 and hit enter. For this example we are connecting to the DPA model DPA602.
An example is shown in Figure 1.
5. Out of the box the amplifier’s model number is all that is needed to connect. It is not case sensitive, but the full exact name is required.
Note: Once connected, the name of the amplifier can be changed to meet the install’s naming orientation.
6. The amplifier will be discovered and the DPA User PC Control Page will launch after pressing the “Enter” key. An example of the DPA User PC
Control Page GUI web page is shown in Figure 2.
7. If the DPA Amplifier’s IP address is known, enter the IP number into the Web Browser to access the DPA GUI. Example: “http://192.168.1.110”
III. AtlasIED DPA Site Manager Software
This method is the easiest way to find and connect to any DPA Amplifiers on the Network. See Figure 3.
1. Download the DPA Amplifier Site Manager software at www.atlassound.com/dpa.
2. The DPA Amplifier Software is a small zip file and can be emailed but has to remain a zip file because it has an executable (.exe) file to launch the
software. Most Internet security software will block any .exe file unless it is in zip file format. Also download the DPA Amplifier PC IP Site Manager
Software user guide to make installation easier.
3. The DPA Site Manager software can do a variety of functions besides locating IP addresses such as; fault reporting, input & output status, standby
status and remote activation via a scheduler timer. Refer to the DPA Site Manager instructions for the complete capabilities of the software.
Figure 3
Figure 2

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DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
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IV. Smartphone or Tablet (Wi-Fi)
1. DPA amplifiers can be accessed remotely using a smartphone or tablet device using the IP address for the amplifier being accessed. Use method
1, 2, or 3 to create the initial DSP configurations and then access the amplifiers using the mobile device interface.
2. To access a DPA amplifier on a network using a smartphone or tablet requires that the smartphone or tablet be able to access the same network
via Wi-Fi.
3. Open the Smartphone’s or Tablet’s Browser and enter the IP address in the address bar. Example: “192.168.1.110/mt1.html”
Note: Some network firewalls may block access. If this occurs consult an IT technician for firewall setting adjustment.
4. The GUI will open to a Mobile page as shown in Figure 4. Mobile access will allow for volume level adjustment and home page access once the
administrator user name and password are accurately entered when prompted.
5. On the Mobile page of the GUI, the amplifier output level and mute can be adjusted and the Home page can be accessed. The page resolution size
has been created to fit mobile devices when accessing via a mobile device.
Note: It is required to enter the Administrator Name and Password to access the home page. Refer to Page 17 for Password Login.
Note: When on the Mobile Page, on the Setup page, the faders will not function. To make setting changes the value of change must be entered in
the data box. In the amp configure page the Level faders can be linked together for stereo level adjustment.
6. After accessing the Mobile web page, the IP connection can be saved to the device’s screen as APP ICON short cut where its name can be
changed to reflect its location or other description.
Apple®iOS
• Open the DPA amplifier mobile web page using Safari.
• At the bottom of the screen select the box with the arrow.
• Select “Add to Home Screen”
• Open the DPA amplifier mobile web page using the Safari browser.
• Press the Menu button and select Bookmarks.
• Select the top left thumbnail labeled Add.
• Press OK to add it.
Figure 4

– 15 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
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V. Static IP - Accessing the DPA Outside the Local Network
Follow these instructions in order to access a particular DPA amplifier from outside of the Network the DPA is connected to. Example: An amplifier
is in a school in Los Angeles and the volume in the classroom is not loud enough. The installer has the maximum level set via the limiter. Instead of
the installer having to drive to the school which is three hours away, he can access the amplifier from his desk or phone. During the installation of
the amp, the amplifier can be configured with a static IP address and a specific port assigned by the school’s IT manager. This enables the installer
access only to the specific DPA amplifier that needs the level adjusted. Below is a safe convenient way to allow limited access to a specific product
via a protected network. Setting up an external IP address eliminates the requirement to VPN into a network to gain access to the LAN. This allows the
person needing to maintain the device a single point of entry and keeps the LAN secure.
1. Plug DPA amp into local network, determine the IP address assigned to the amp, and change it to a static IP address.
2. Create a NAT (Network Address Translation) on the WAN router or firewall using port 80. An external static IP address will be needed for this
process to work.
3. Once the external IP address is translated to the internal IP address, go to another Internet connection outside the Local Network where the DPA
amp is present and try connecting to the external IP address. Verify correct NAT has been established.
Resetting the DPA IP to Factory DHCP
1. Remove AC power from the DPA amplifier and wait 1 minute.
2. Apply AC power. The blue power indicator will turn solid after 1 - 2 seconds. Immediately press and hold the power switch until the blue power
indicator turns off then back on. All of the front panel LEDs will blink a few times. After the LEDs stop blinking, release the power switch. After the
power indicator illuminates solid blue, you are now able to log in using “admin” for the Username & Password.
3. DHCP will be reset and both the username and password will be reset to “admin”. Note: The DSP settings will not be affected.
4. Follow standard login procedures. See page 17.
IP Config Page
Figure 5

– 16 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Identifying the Firmware Version
1. About Page - To gain access to feature enhancements or bug fixes, it may be required to update the firmware on the amp. The About Page
contains information such as the MAC address and firmware versions. There are 2 types of firmware that may need upgrading, Host (HEX)
firmware and Web (BIN) firmware. This is illustrated in Figure 6.
Visit www.atlassound.com/dpa, choose the DPA model being updated, and click the “support files” tab in the center of the page. Click the
“About” page in the Control Panel and it will list the firmware versions installed on the amplifier. Compare these to the firmware versions available
for download on the Atlas website. If they don’t match, download the firmware versions that need to be updated. Read the DPA Amplifier
Firmware Update Guide for instructions on how to install the firmware updates.
2. Update Page - As features and updates are created it may be required to update the firmware on the amp. This page provides directions on how to
perform a firmware update as shown in Figure 7.
For a more detailed description on firmware upgrades visit www.atlassound.com/dpa to download the DPA amplifier upgrade Reference Guide and
up-to-date firmware files.
Figure 7 Figure 8
Figure 6

– 17 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
DPA GUI Pages Defined
User / Home Page
When the DPA GUI is accessed for the first time, the DPA amplifier is configured as a 2-channel 70V / 100V mode amplifier with the front panel level
controls active and the USER level control on the GUI page deactivated. Note: The DPA amp Output Level can be controlled by either the front panel
Level or by the GUI, but not both at the same time. To use the GUI User Level Control, the amp needs to be configured for that operation.
If the DPA amp GUI is open and looks like Figure 9, the front panel level controls are active. Notice the fader controls are invisible. This is the factory
shipping default mode. If the Amplifier Activation Switch is illuminated red, the amplifier is on Sleep or APD Mode. If the switch is illuminated green,
the amplifier is in Active Mode. Click to select between modes.
Password Log In
To access the full command of the DPA GUI, click on the Setup tab and enter the user name and password. Factory Default for User Name is “admin”
and the Password is “admin”. This is shown in Figure 10. Note: When you first connect to your DPA series amplifier’s WEB interface, you will be
prompted to change the default username and password.
The amplifier will present a username and password selection screen. Please use the drop menu below for the username or password to select which
option you would like to change.
When you have entered and retyped your new username and password, it is recommended you record your new credentials in accordance with your
site security policy and click SAVE within the Server Login dialog box. The DPA Amplifier username and password are now updated.
If the username and password become lost, performing an IP reset will also reset the username and password to defaults. This reset does not alter
amplifier settings other than network configuration and username / password. See page 15 for Reset procedure.
Figure 9 Figure 10

– 18 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Setup Page
From the Setup Page the user can view and access the following:
1. Access the Home, Update and About page
2. Access the Amp Config, Mute Port & Link, I/O Route, HP & LP Filters, EQ, Output Level, Delay and Limiter control pages.
3. View Input Meters - Input Meter readings are Pre all Level Controls
4. Input Status Indicator - Located at the bottom of the Input meters.
A. Blue indicator means ready and active.
B. Red indicator means the channel is muted.
C. Grayed Out means not enabled (applies to inputs 5 - 8)
5. Output Level Meters
6. Output Status Indicator - Located at the bottom of the Output meters.
A. Blue indicator means ready and active.
B. Red indicator means the channel is Muted
7. Output Limiter - Illuminates yellow when the limiter is engaged.
8. Output Clip / Fault Indicator
A. Clip illuminates red when the amplifier output has reached its maximum output power.
B. Fault illuminates red when the channel has a fault condition such as an improper load applied for the configuration setting, short on the output or
failed output channel. Note: It may be necessary to reset the AC Mains Power to clear the amplifier from protect mode.
9. Amplifier On/Off Status and Activation Switch - If illuminating red the amplifier is in Sleep or APD Mode. If illuminating green the amplifier is in
Active Mode. Click to select between modes.
Figure 11
35
7
8
4B
6B
4C
4A
6A
12

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DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Amp Configuration Page
1. Password Name
2. Name Inputs and Outputs
3. Accessory Inputs - Enable / Disable Note: Factory default accessory inputs are not engaged.
4. Auto Power Down (APD) Enable / Disable. When this box is checked the amp is in Auto Power Down (APD) mode. After 30 minutes with no audio
signal at the amplifier, the DPA amp will enter Standby APD Mode. In Standby Mode the amp will draw less power. The DPA amplifier has three
states of idle power consumption to meet installation energy power consumption requirements. Refer to the amplifier specification page for power
consumption data. Refer to the section on “Understanding the 3 AC Power Consumption Idle States” for a definition on how each idle state
operates. When the amplifier senses signal on any of the 8 inputs, the amplifier will automatically switch from APD Mode to Active Mode. Note:
Factory default APD is not engaged.
5. Level Control Assignment - Check the appropriate box for desired mode of output level control method. The DPA output level can be controlled by
either Front Panel pots or by the GUI, but not both at the same time. Note: Factory default Front Panel Level Control is engaged.
6. Amplifier Output Configuration - Configure the amplifier outputs to be either 70V / 100V or 4Ω/ 8Ω. Note: Factory default is CH 1/2 & CH3/4
are 70V
7. Front Panel Power Disable Box - When selecting this box the front panel power switch is disabled. The amplifier can only be turned On/Off by
removing the power cord. Note: Factory default Front Panel Power Button is engaged.
Figure 12
1
2
6
5
4
7
3

– 20 –
DPA602 / DPA1202 / DPA2402
Owner’s Manual
AtlasIED.com
TELEPHONE: [phone]
[e-mail]
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ENNIS, TEXAS 75119 U.S.A.
Mute, Link & Port Assignment Page
This page allows you to view the amplifiers configuration and assign VOX Mute & Contact Closure Mute, Remote Level and link Level Faders.
1. Output Configuration Indicators - This section is a visual aide to see how the amplifier is configured. This is important information to know when
assigning a Remote Level or Linking Faders.
2. Remote Level Assign - This section allows the user to assign the Control Port on the rear of the amplifier to control the amplifier output selected
by the user. Note: Factory Default C1 is assigned to control Outputs 1/2 70V and C3 is assigned to control Outputs 3/4 70V. Refer to Page 27 for
information on configuring and wiring a remote level control.
3. Auto Sense Input Mute (VOX) - This section allows the user to assign a selected input to be a Mute Send trigger when it senses an input signal. It
will then send a Mute command to other inputs that are assigned to receive the mute command. There are two levels of priority that can be
assigned. Refer to Page 32 for information on how to set up a VOX Auto Sense Mute.
4. Audio Sense Trigger Threshold - Audio levels vary and are dependent on the source material. Levels from a CD vary from a microphone. In the GUI
the level to activate or trigger the Mute can be selected in 1mV increments up to 50mV. When setting the trigger level you need to allow for noise
on the audio line and set the level high enough to avoid false triggers. The level sent applies to Mute Send #1 / Mute Receive #1 and
Mute Send #2 / Mute Receive #2.
5. Mute / Duck Hold Time - How long or how much the selected input needs to be muted and reduced in level (Duck) will depend on the application.
In the GUI there are four selections to choose from. Refer to Page 32 for information on selections. Note: This setting applies to both the Audio
Sense Trigger and the Contact Closure Mute.
6. Contact Closure Input Mute - A rear panel control port can be assigned to mute any Input as seen in the Mute, Link, and Port Assignment GUI page
shown below. A remote switch can be used to control the mute trigger as shown in the illustration below. Refer to Page 33 for setup.
7. Input Level Control Link Assign - The DPA amp has 4 line inputs with an additional optional 4 inputs. Some of the Inputs or Outputs may be used for
stereo applications. For control convenience you can assign two faders to be linked together.
8. Level Control Assignment Indicators - This section displays a combination of settings gathered from other pages. This allows the user to see which
Inputs are assigned to what Output, Input Names and if faders are linked together while making other configuration settings. The below example
shows you that Input 1 is assigned to Output 1/2 and Input 3 is assigned to Output 3/4. The amps are configured as 2 CH 70V / 100V amplifier and
no Inputs are linked together. This is also the factory default setting.
Figure 13
1
3
4
6
5
2
7
8