Monoprice 38071 User manual

Premium Bluetooth® 5 Transmitter and Receiver
P/N 38071
User's Manual

2
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 turn it off and allow it to fully dry before turning it back on.
If plugged into a USB charging source, unplug it.
•Do not touch the device or any connected cables with wet hands.
•Do not expose this device to excessive vibration.
•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.
•This device contains a rechargeable battery. Dispose of this device only in
accordance with local, state, or federal regulations for electronic waste.
•Charge the battery before first use and at least once every three months to keep it
fresh and capable of holding the full charge.
•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.

3
INTRODUCTION
The Monoprice Bluetooth® 5 Transmitter and Receiver allows you to turn any device into a
Bluetooth-enabled one. It uses Bluetooth version 5 and features the Qualcomm® aptX™,
aptX™ HD, and aptX™ Low Latency codecs for crystal clear streaming and perfect
synchronization. This single adapter can be used as a receiver for streaming from your
mobile device or as a transmitter, allowing you to stream audio from your television or
Blu-ray Disc™ player to a Bluetooth speaker. It can pair with up to two devices at the same
time and features both 3.5mm stereo analog and digital optical S/PDIF connections for
greater flexibility. The built-in rechargeable battery can deliver up to 20 hours of audio
playback.
FEATURES
•Supports Bluetooth® 5 with the A2DP and AVRCP profiles
•Can be used as a transmitter or receiver
•Includes 3.5mm and S/PDIF digital optical connections
•Can be paired to two devices at the same time
•Supports the Qualcomm® aptX™, aptX HD, and aptX Low Latency audio codecs
•350mAh built-in rechargeable battery provides up to 20 hours of playback time
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.

4
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 Bluetooth® Receiver and Transmitter
1x S/PDIF Digital Optical Audio Cable
1x 3.5mm Audio Cable
1x Micro USB Charging Cable
PRODUCT OVERVIEW
1. -/▐◄◄: Momentarily press the button to decrease the volume by one step. Press
and hold the button for about 2 seconds to skip back to the previous track.
2. POWER: Momentarily press the button to pause or resume audio playback in
receiver mode. Press and hold the button for about 2 seconds to turn the unit on or
off. The LED blinks blue twice when the unit is turned off and blinks red twice when
it is turned off.
3. LED: The LED illuminates in various colors and ways to indicate the status of the
device. Refer to the LED INDICATIONS section for details.
4. +/►►▌: Momentarily press the button to increase the volume by one step. Press
and hold the button for about 2 seconds to skip forward to the next track.

5
5. TX: When the switch is in the TX position, the device operates as a Bluetooth®
transmitter. IMPORTANT! Turn the device off for at least 3 seconds before changing
the operating mode. Note that changing the mode deletes all existing Bluetooth
pairings.
6. RX: When the switch is in the RX position, the device operates as a Bluetooth
receiver. IMPORTANT! Turn the device off for at least 3 seconds before changing the
operating mode. Note that changing the mode deletes all existing Bluetooth
pairings.
7. PAIR: Momentarily press the button to enter Bluetooth pairing mode. The button
has no effect when operating in Multipoint Mode.
8. AUX: 3.5mm TRS stereo audio input/output connector.
9. SPDIF TX: S/PDIF digital optical audio input for use in TX mode.
10. SPDIF RX: S/PDIF digital optical audio output for use in RX mode.
11. USB: Micro USB charging connector.
CHARGING
This device features a built-in rechargeable battery. The battery should be fully charged
before first use and should be charged at least once every 3 months to keep it fresh and
capable of holding a full charge. A full charge takes up to 2 hours to complete. Note that
the unit can be operated while it is being charged, though charging will take longer to
complete.
To charge the device, plug one end of the included Micro USB Charging Cable into the USB
port on the device, then plug the other end into a USB power source, such as a wall
charger or computer port (not included). The LED will illuminate solid red while charging is
in progress. The LED will turn off when charging is complete.
Note that the charge indication on the LED will override any other indications if the device
is in use during charging.

6
DELETING BLUETOOTH PAIRINGS
Perform the following steps to delete any existing Bluetooth® pairings from memory.
1. If the device is not already powered on, press and hold the POWER button for
about 2 seconds to turn the device on. The LED will flash blue twice.
2. Wait at least 3 seconds, then press and hold the POWER button for about 2 seconds
to turn the device off. The LED will flash red twice.
3. Wait at least 3 seconds, then slide the TX/RX switch to the opposite position.
4. Press and hold the POWER button to turn the device on. The LED will flash blue
twice. All Bluetooth pairings are now cleared.
CODEC PRIORITIES
This device supports five different audio codecs, ranging in quality from Qualcomm® aptX™
HD to the more common SBC. It will automatically select the highest quality codec that is
common to all connected devices. The codec priorities are shown below, from top to
bottom:
aptX HD
aptX Low Latency
aptX
AAC (receiver only)
SBC

7
LED INDICATIONS
Function
LED Indication
Power On
Flash blue two times
Power Off
Flash red two times
Low Battery
Flashes red
Charging
Solid red
Charging Complete
Off
Bluetooth® Pairing Mode (TX Mode)
Flashes blue
Bluetooth Pairing Mode (RX Mode)
Flashes red and blue alternately
Unconnected Standby Mode (TX Mode)
Flashes blue one time each second
Unconnected Standby Mode (RX Mode)
Flashes blue two times every 3 seconds
Connected Standby Mode
Solid blue
Connected Working Mode (aptX™ HD
codec)
Flashes blue four times every 10 seconds
Connected Working Mode (aptX™Low
Latency codec)
Flashes blue three times every 10 seconds
Connected Working Mode (aptX codec)
Flashes blue two times every 10 seconds
Connected Working Mode (AAC codec)
Flashes blue six times every 10 seconds
Connected Working Mode (SBC codec)
Flashes blue one time every 10 seconds
Connected Multipoint Mode
Solid green

8
TRANSMITTER (TX) MODE OPERATION
Bluetooth Pairing (TX)
Perform the following steps to pair the transmitter with a Bluetooth® device, such as
headphones or a speaker.
1. If the unit is powered on, press and hold the POWER button for about 2 seconds to
turn it off. The LED will flash red twice.
2. Wait at least 3 seconds, then slide the TX/RX switch to the TX position.
3. Press and hold the POWER button for about 2 seconds to turn the unit on. The LED
will flash blue twice.
4. Momentarily press the PAIR button. The LED will begin rapidly flashing blue,
indicating that the unit is in Bluetooth pairing mode in TX mode.
5. Turn on your Bluetooth device and put it into pairing mode. The two devices will
pair and connect within 5-30 seconds. Once connected, the LED will begin to slowly
blink blue.
6. Connect your audio source device, such as an mp3 player, to the transmitter using
either the included 3.5mm audio cable or the included S/PDIF digital optical cable. If
using an S/PDIF cable, use the SPDIF TX input.
Multipoint Pairing (TX)
Perform the following steps to pair the transmitter with a two Bluetooth® devices, such as
headphones or speakers.
1. If you have not already paired a single device, perform the steps in the Bluetooth
Pairing (TX) section above to pair the first device.
2. Momentarily press the PAIR button. The LED will rapidly flash blue, indicating that
the transmitter is in Bluetooth pairing mode.
3. Turn on your Bluetooth device and put it into pairing mode. The two devices will
pair and connect within 5-30 seconds. Once connected, the LED will illuminate solid

9
green. Note that the green LED will override other LED indications while Multipoint
Mode is active.
RECEIVER (RX) MODE OPERATION
Bluetooth Pairing (RX)
Perform the following steps to pair the receiver with a Bluetooth® device, such as a mobile
phone or tablet.
1. If the unit is powered on, press and hold the POWER button for about 2 seconds to
turn it off. The LED will flash red twice.
2. Wait at least 3 seconds, then slide the TX/RX switch to the RX position.
3. Press and hold the POWER button for about 2 seconds to turn the unit on. The LED
will flash blue twice.
4. Momentarily press the PAIR button. The LED will rapidly flash red and blue
alternately, indicating that the receiver is in Bluetooth pairing mode in RX mode.
5. Open the Bluetooth settings on your mobile device and scan for available Bluetooth
devices. Locate and select the BTI-039 entry. If prompted for a pass code, enter
0000 (four zeros). Once connected, the LED will begin to slowly blink blue.
6. Connect your audio playback device, such as powered speakers or a power
amplifier, to the receiver using either the included 3.5mm audio cable or the
included S/PDIF digital optical cable. If using an S/PDIF cable, use the SPDIF RX
output.
Multipoint Pairing (RX)
Perform the following steps to pair the receiver with two Bluetooth® devices, such as
mobile phones or tablets.
1. If you have not already paired a single device, preform the steps in the Bluetooth
Pairing (RX) section above.

10
2. Momentarily press the PAIR button. The LED will rapidly flash red and blue
alternately, indicating that the receiver is in Bluetooth® pairing mode.
3. Open the Bluetooth settings on your second device and scan for available
Bluetooth devices.
4. Locate and select the BTI-039 entry. If prompted for a pass code, enter 0000 (four
zeros). Once connected, the LED will illuminate solid green. Note that the green LED
will override other LED indications while Multipoint Mode is active.
Note that, although two devices are connected, only one can play audio at a time.
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.

11
SPECIFICATIONS
Model
38071
Bluetooth® Version
5
Supported Bluetooth Profiles
A2DP, AVRCP
Bluetooth Range
Up to 32 feet (10 meters)
Bluetooth Pairing Name
BTI-039
Supported Receiver Codecs
aptX™, aptX HD, aptX Low Latency, AAC,
SBC
Supported Transmitter Codecs
aptX™, aptX HD, aptX Low Latency, SBC
Battery Capacity
350mAh
Charging Time
About 2 hours
Operating Time
AUX RX: about 17.5 hours
AUX TX: about 20 hours
S/PDIF RX: about 12.5 hours
S/PDIF TX: about 14 hours
Standby Time
About 120 hours
Operating Temperature
+14 ~ +131°F (-10 ~ +55°C)
Dimensions
2.8" x 2.8" x 0.9" (71 x 71 x 22 mm)
Weight
1.3 oz. (36g)

12
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:
•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.

13
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.
Monoprice™ and all Monoprice logos are trademarks of Monoprice Inc.
The Bluetooth® word mark and logos are registered trademarks of Bluetooth SIG, Inc.
Qualcomm® is a trademark of Qualcomm Incorporated, registered in the United States and
other countries. aptX™ and the aptX logo are trademarks of Qualcomm Technologies
International, Ltd., registered in the United States and other countries. Qualcomm® aptX™
is a product of Qualcomm Technologies International, Ltd.
Blu-ray Disc™, Blu-ray™, and the logos are trademarks of the Blu-ray Disc Association.