Monoprice 36373 User manual

Commercial Audio
60-Watt 70V/100V Mixer Amplifier
P/N 36373
User's Manual

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SAFETY WARNINGS AND GUIDELINES
Please read this entire manual before using this device, paying extra attention to these
safety warnings and guidelines. Please keep this manual in a safe place for future
reference.
This device is intended for indoor use only.
Do not expose this device to water or moisture of any kind. Do not place drinks
or other containers with moisture on or near the device. If moisture does get in
or on the device, immediately unplug it from the power outlet and allow it to
fully dry before reapplying power.
Do not touch the device, the power cord, or any other connected cables with
wet hands.
Do not expose this device to excessively high temperatures. Do not place it in,
on, or near a heat source, such as a fireplace, stove, radiator, etc. Do not leave it
in direct sunlight.
This device ventilates excessive heat through the slots and openings in the case.
Do not block or cover these openings. Ensure that the device is in an open area
where it can get sufficient airflow to keep from overheating.
Do not place or install this device in an area where it can be exposed to
excessive amounts of dust, humidity, oil, smoke, or combustible vapors.
Use only in a well-ventilated area. Do not use in close, confined spaces.
Prior to operation, check the unit and power cord for physical damage. Do not
use if physical damage has occurred.
Before plugging the unit into a power outlet, ensure that the outlet provides the
same type and level of power required by the device.
This device uses a grounded power cord and requires a ground connection for
safe operation. Ensure that the power source has a proper ground connection.
Do not modify the plug or use a "cheater" plug to bypass the ground connection.
Unplug this device from the power source when not in use.
Take care to prevent damage to the power cord. Do not allow it to become
crimped, pinched, walked on, or become tangled with other cords. Ensure that
the power cord does not present a tripping hazard.

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Never unplug the unit by pulling on the power cord. Always grasp the connector
head or adapter body.
Ensure that power is turned off and disconnected before making any electrical
connections.
Remove the batteries from the controller if it will go unused for a lengthy period
of time.
Clean using a soft, dry cloth only. Do not use chemical cleaners, solvents, or
detergents. For stubborn deposits, moisten the cloth with warm water.
This device has no user serviceable parts. Do not attempt to open, service, or
modify this device.
INTRODUCTION
Thank you for purchasing this Commercial Audio 60-Watt 70V/100V Mixer Amplifier!
This amplifier is designed to drive a conventional 4-ohm, 8-ohm, or 16-ohm speaker
system, as well as 70-volt and 100-volt constant voltage speaker systems. It features
one unbalanced 1/4" microphone input, one balanced XLR microphone input (which can
be switched to an unbalanced RCA line level input), and one additional unbalanced RCA
line level input. Enjoy background music in your facility by using the included
Bluetooth® receiver or the built-in FM tuner.

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FEATURES
Compact public address amplifier
Supports 4-ohm, 8-ohm, and 16-ohm passive speakers
Supports 70-volt and 100-volt constant voltage speaker systems
Delivers 60-watts into a 4 ohm load
Built-in mp3 player, FM tuner, and Bluetooth® connection
Includes 1/4" unbalanced and XLR balanced microphone inputs
Supports phantom power for condenser microphones
Includes two line inputs and one line output
Features an EMC priority input
Includes short circuit, clipping, overload, and over temperature protection
circuits
Can accept 100 ~ 240 VAC, 50/60 Hz or 24 VDC, 4A input power
CUSTOMER SERVICE
The Monoprice Customer Service department is dedicated to ensuring that your
ordering, purchasing, and delivery experience is second to none. If you have any
problem with your order, please give us an opportunity to make it right. You can
contact a Monoprice Customer Service representative through the Live Chat link on our
website www.monoprice.com or via email at su[email protected]. Check the
website for support times and links.

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PACKAGE CONTENTS
Please take an inventory of the package contents to ensure you have all the items listed
below. If anything is missing or damaged, please contact Monoprice Customer Service
for a replacement.
1x Commercial audio public address amplifier
1x IR remote control
1x FM antenna
1x 4P 5.08mm wiring terminal
2x 2P 3.81mm wiring terminal
1x User's manual
PRODUCT OVERVIEW
Front Panel
1. Display: Displays input, track, and FM radio frequency information.
2. USB: USB port for use with a USB flash drive containing mp3 tracks to playback
with the built-in mp3 player. The USB port supports USB drives up to 128GB in
size.
3. Play/Pause: When in mp3 or Bluetooth® mode, momentarily press the button to
play, pause, and resume playback. When in FM radio mode, press the button to
scan for available radio stations.

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4. Previous: When in USB and Bluetooth modes, momentarily press the button to
skip back to the previous track. When in FM radio mode, momentarily press the
button to go back to the previous radio station. In all modes, press and hold the
button to reduce the volume level.
5. Next: When in USB and Bluetooth modes, momentarily press the button to skip
forward to the next track. When in FM radio mode, momentarily press the
button to go to the next radio station. In all modes, press and hold the button to
increase the volume level.
6. Mode: Momentarily press the button to cycle through the Bluetooth, USB, AUX
Input, and FM radio modes.
7. MIC1 Priority: 1/4" TS jack for use with a dynamic microphone. This input has
priority over all other inputs, except the EMC input.
8. MIC1: Adjusts the volume of the MIC1 input.
9. MIC2/AUX2: Adjusts the volume of the MIC2/AUX2 input.
10. AUX1: Adjusts the volume of the AUX1 input.
11. BASS: Adjusts the volume of low frequencies.
12. TREBLE: Adjusts the volume of high frequencies.
13. MASTER: Adjusts the volume level of all inputs, except the EMC input.
14. ON/OFF: Power switch to turn the amplifier on or off.
15. Indicators: The POWER LED illuminates when power is applied. The PROT LED
illuminates when one of the protective circuits is activated. The 2, 4, 6, and 8
LEDs indicate the output level.

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Rear Panel
1. Power Cord: Plug the power cord into a nearby AC power outlet. This amplifier
accepts 110 ~ 240 VAC, 50/60 Hz, 4A.
2. FM ANT: Connector for attaching the included FM antenna.
3. DC IN: Alternative power input for use with a 24 VDC, 4A power source.
4. AMPLIFIER OUT: Terminals for connecting passive or constant voltage speaker
systems.
5. AUX OUT: Line level output RCA jacks.
6. AUX1 IN: Line level input RCA jacks.
7. AUX2 IN: Line level input RCA jacks.
8. AUX2/MIC2: Switch to select either the AUX2 line level input or the MIC2 input.
When the switch is in the MIC2 position, the XLR jack is configured for use with a
dynamic microphone. When set to the PHANTOM position, the XLR jack is
configured to provide +48V phantom power for use with a condenser
microphone.
9. +48V: The LED indicator illuminates when the AUX2/MIC2 switch is set to the
PHANTOM position for use with a condenser microphone.
10. MIC2: XLR jack for connecting a balanced dynamic or condenser microphone.
11. VOL: Gain control for the AUX2/MIC2 input.
12. 100V: Terminals for accepting a 100V emergency signal input.

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13. VOL: Gain control for the EMC input.
14. EMC IN: Secondary 350mV emergency input.
Remote Control
1. Mode: Press the Mode button to cycle through
the Bluetooth®, USB, AUX Input, and FM radio
modes.
2. Power: Press the Power button to turn the
amplifier on or off.
3. Play/Pause: When in mp3 or Bluetooth® mode,
momentarily press the button to play, pause,
and resume playback. When in FM radio mode,
press the button to scan for available radio stations.
4. EQ: Press the EQ button to cycle through Normal, Pop, Rock, and Jazz EQ effects.
5. Numbers: When in FM radio mode, use the number buttons to directly input an
FM frequency.
6. Mute: Press the Mute button to turn audio muting on or off.
7. Previous: When in USB and Bluetooth modes, momentarily press the button to
skip back to the previous track. When in FM radio mode, momentarily press the
button to go back to the previous radio station.
8. Next: When in USB and Bluetooth modes, momentarily press the button to skip
forward to the next track. When in FM radio mode, momentarily press the
button to go to the next radio station.
9. Volume -: Press the button to decrease the volume level.
10. Volume +: Press the button to increase the volume level.
11. Cycle: Toggles between the Play All (once) and Repeat All play modes.
12. SCAN: Not used.

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OPERATING MODES
Mic1
The MIC1 input has priority over all other inputs, except the EMC input. When a signal is
detected, the amplifier automatically mutes all other inputs. When the signal is
removed, the amplifier will return to normal playback mode.
Bluetooth
To activate Bluetooth® mode, press the MODE button until the word BLUE is displayed
on screen. If no paired device is found, the word BLUE will flash, indicating that it is in
Bluetooth pairing mode. To pair your mobile device, open the device's Bluetooth
settings, then scan for nearby devices. Locate and select the MP36373 entry.
USB
When a USB flash drive is inserted into the USB port, the amplifier will automatically
switch to USB mode and will use the built-in mp3 player to playback audio tracks from
the USB drive.
AUX
To select the line level input, press the MODE switch until the word AUX appears on
screen.
FM
In FM mode, press the Play/Pause button on the front panel or on the remote control to
scan for available stations. Press the Previous button on the front panel or on the
remote control to skip back to the previous station. Press the Next button on the front
panel or on the remote control to skip to the next station. Use the number buttons on
the remote control to directly tune to a specific frequency.

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SPECIFICATIONS
Model
36373
Output Power
60 watts into 4 ohms
Speaker Outputs
4-ohm, 8-ohm, 16-ohm, 70V, 100V
Inputs
1/4" TS unbalanced MIC1, RCA line level AUX1,
RCA line level AUX2, XLR balanced MIC2, EMC
Input Priority
EMC > MIC1 > all others
MIC1 Input Sensitivity
5mV
MIC2 Input Sensitivity
5mV
AUX1 Input Sensitivity
350mV
AUX2 Input Sensitivity
350mV
EMC Input Sensitivity
350mV
MIC Frequency Response
180 Hz ~ 10 kHz ±3dB
AUX Frequency Response
70 Hz ~ 16 kHz ±3dB
Noise
< 5mV (4 ohm load)
Total Harmonic Distortion
< 1% @ 1kHz
Treble and Bass Adjustment
10dB ±2dB
Protection Circuits
Short circuit, clipping, overload, over
temperature
Input Power
110 ~ 240 VAC, 50/60 Hz, 4A OR 24 VDC, 4A
Bluetooth® Pairing ID
MP36373
Dimensions
9.7" x 7.8" x 2.6" (247 x 198 x 66 mm)
Weight
5.7 lbs. (2.6 kg)

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TECHNICAL SUPPORT
Monoprice is pleased to provide free, live, online technical support to assist you with
any questions you may have about installation, setup, troubleshooting, or product
recommendations. If you ever need assistance with your new product, please come
online to talk to one of our friendly and knowledgeable Tech Support Associates.
Technical support is available through the online chat button on our website
www.monoprice.com or through email by sending a message to [email protected]om.
Check the website for support times and links.
REGULATORY COMPLIANCE
Notice for FCC
This device complies with Part 15 of the FCC rules. Operation is subject to the following
two conditions: (1) this device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired
operation.
Modifying the equipment without Monoprice's authorization may result in the
equipment no longer complying with FCC requirements for Class B digital devices. In
that event, your right to use the equipment may be limited by FCC regulations, and you
may be required to correct any interference to radio or television communications at
your own expense.
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on,
the user is encouraged to try to correct the interference by one or more of the
following measures:

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Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Radio Notice for FCC
Caution
This FCC Part 15 radio device operates on a non-interference basis with other devices
operating at this frequency. Any changes or modification to said product not expressly
approved by Monoprice, including the use of non-approved antennas, could void the
user’s authority to operate this device.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) this device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired
operation.
Notice for Industry Canada
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.

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Radio Notice for Industry Canada
Caution
This IC RSS-210 radio device operates on a non-interference basis with other devices
operating at this frequency. Any changes or modification to said product not expressly
approved by Monoprice, including the use of non-approved antennas, could void the
user’s authority to operate this device.
This device complies with IC RSS-210. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired
operation.
The Bluetooth® word mark and logos are registered trademarks of Bluetooth SIG, Inc.