Monoprice DT-3BT User manual

DT-3BT 40-Watt Multimedia Desktop
Powered Speakers with Bluetooth®
P/N 43240
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
remove it from its power source 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.
•If operating this speaker in a humid environment, ensure that no
condensation occurs. Condensation could cause damage to the
speaker cone and could cause a short in the amplifier, which in turn
could cause fire or severe electric shock.
•Do not install this device on an unstable surface where it could fall
and cause either personal injury or damage to the device and/or
other equipment.
•Do not expose this device to excessive vibration or extreme force,
shock, or fluctuations in temperature or humidity.
•Avoid prolonged exposure to excessive volume levels, which could
cause hearing damage. Reduce the volume to minimum before
using these speakers, then increase the volume to a comfortable
listening level.

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•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.
•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.
•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.
•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.
•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.
•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.

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FEATURES
•3" polypropylene cone woofers
•3/4" silk dome tweeters
•75Hz ~ 20kHz frequency response
•Class AB amplifiers
•Each speaker and driver independently amplified
•2x 12 watt amplifiers for the woofers
•2x 8 watt amplifiers for the tweeters
•Unbalanced stereo RCA pair, unbalanced stereo 3.5mm TRS, stereo
balanced 1/4" TRS pair, and Bluetooth® inputs
•3.5mm headphone jack

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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 [email protected]. Check the
website for support times and links.
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 DT-3BT Primary Speaker
1x DT-3BT Secondary Speaker
1x Speaker Interconnect Cable
1x 3.5mm Stereo Audio Cable
1x Stereo RCA Cable
1x Foot Mat
1x AC Power Cord
1x User's Manual

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PRODUCT OVERVIEW
Primary Speaker Front Panel
1. Tweeter: 3/4" silk dome tweeter.
2. Woofer: 3" polypropylene cone woofer.
3. Aux: 3.5mm stereo AUX input.
4. Headphones: 3.5mm headphones output.
5. Bluetooth: Bluetooth® status indicator.
6. Power: Power status indicator.

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7. Volume: Volume level control.
Primary Speaker Rear Panel
1. BASS REFLEX PORT: Bass reflex port for enhanced bass response.
2. TOP INPUT: Stereo balanced 1/4" TRS inputs.
3. BOTTOM INPUT: Stereo unbalanced RCA inputs.
4. PAIR: Bluetooth® pairing button.

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5. POWER: Power switch for turning the speakers on or off.
6. AC INPUT: Unpolarized IEC 60320 C8 input for connecting the
included AC Power Cord.
7. OUTPUT: Speaker interconnect output for connecting the
secondary speaker.
INSTALLATION
Ensure that power is turned off and disconnected on all equipment to be
connected before making any electrical connections.
1. Ensure that the POWER switch on the Primary Speaker is in the OFF
position.
2. Place the Primary Speaker and Secondary Speaker in their intended
locations.
3. Connect one end of the included Speaker Interconnect Cable to
the INPUT connectors on the Secondary Speaker Rear Panel, then
connect the other end to the OUTPUT connectors on the Primary
Speaker Rear Panel.
4. (Optional) Plug one end of the included Stereo RCA Cable into the
BOTTOM INPUT jacks on the Primary Speaker Rear Panel, then plug
the other end into the RCA output jacks on your audio source
device.
5. (Optional) Plug one end of the included 3.5mm Stereo Audio Cable
into the Aux jack on the Primary Speaker Front Panel, then plug the

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other end into the audio output on your audio source device, such
as the headphones output on your smartphone.
6. (Optional) Plug one end of two 1/4" TRS cables (available
separately) into the TOP INPUT jacks on the Primary Speaker Rear
Panel, then plug the other ends into the output on your audio
source device, such as a mixer.
7. Plug the included AC Power Cord into the AC INPUT on the Primary
Speaker Rear Panel, then plug the other end into a nearby AC
power outlet.
OPERATION
1. Turn the Volume knob on the Primary Speaker Front Panel fully
counterclockwise to the minimum position.
2. Flip the POWER switch on the Primary Speaker Rear Panel to the
ON position.
3. Start audio playback on your preferred device.
4. Slowly turn the Volume knob on the Primary Speaker Front Panel
clockwise until the volume is at a comfortable listening level.
Note that there is no input selector, so the output of the speakers is the
sum of all inputs. Unless you specifically want to listen to mix of different
sources, only one audio input should be in active use at a time.

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BLUETOOTH PAIRING
Perform the following steps to pair your mobile device with the speakers.
1. Turn the Volume knob on the Primary Speaker Front Panel fully
counterclockwise to the minimum position.
2. Flip the POWER switch on the Primary Speaker Rear Panel to the
ON position.
3. Press the PAIR button on the Primary Speaker Rear Panel. The
Bluetooth LED on the Primary Speaker Front Panel will begin
flashing, indicating that the speaker is in Bluetooth® pairing mode.
4. Open the Bluetooth settings on your mobile device and scan for
nearby Bluetooth devices.
5. Locate and select the MP43240 entry. If prompted for a passcode,
input 0000 (four zeros). Once the connection is established, the
Bluetooth LED on the Primary Speaker Front Panel will cease
flashing and will illuminate steadily, indicating that the Bluetooth
connection has been successfully made.
Note that the speaker will remember the device it was last paired to. To
reconnect after the connection has been broken, open the Bluetooth
settings on your device and select Connect to reestablish the connection.

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SPECIFICATIONS
P/N
43240
Frequency Response
75Hz ~ 20kHz
Woofer Driver (each)
3" polypropylene cone
Tweeter Driver (each)
3/4" silk dome
Amplifier Type
Class AB amplifier
Woofer Amplifier Power (each)
12 watts
Tweeter Amplifier Power (each)
8 watts
Inputs
Unbalanced stereo 3.5mm TRS,
unbalanced stereo RCA pair,
balanced stereo 1/4" TRS pair,
Bluetooth®
Output
Stereo 3.5mm TRS headphone
Bluetooth® Version
5
Bluetooth Pairing Name
MP43240
Bluetooth Range
Up to 32 feet (10 meters)
Bluetooth Operating Frequency
2402 ~ 2480 MHz
Bluetooth Maximum RF Power
0.11dBm
Dimensions (each)
5.5" x 8.0" x 5.9"
(140 x 204 x 150 mm)

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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]. Check the website for support times and links.
To download the latest drivers, firmware, manuals, etc., go to
www.monoprice.com and type the P/N into the search bar. If available,
support files are linked at the bottom of the product page.
REGULATORY COMPLIANCE
Notice for FCC
FCC ID: 2ADDH-43240
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

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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:
•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

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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.
EU Conformity with applicable directives
This equipment complies with the essential requirements listed below:
•Radio Equipment Directive (RED) 2014/53/EU
•RoHS 2 Directive 2011/65/EU with Directive (EU) 2015/863
UK Conformity with the relevant Union harmonization legislation
This equipment complies with the essential requirements listed below:
•Radio Equipment Regulations 2017
•Restriction of the Use of Certain Hazardous Substances in Electrical
and Electronic Equipment Regulations 2012
Monoprice™ and all Monoprice logos are trademarks of Monoprice Inc.
The Bluetooth® word mark and logos are registered trademarks of
Bluetooth SIG, Inc.