10 best drok bluetooth audio receivers

Product description

DROK Stereo Receiver Blue~tooth Module



Parameter:

Input voltage range: DC 5V-24V

Blue~tooth version: 4.2

Blue~tooth name: Drok_BT

Working Temperature: -40℃ to 85℃

Outer dimensions: 55*32*9mm/2.17*1.26*0.35 inches



Feature:

Wide range of operating voltage DC 5V-12V.

With micro USB port, support micro USB 5V power supply.

Input reverse connection protection.

Dual audio output terminal.

Full Surface Mounted Technology.

Support antenna external connection (suitable for mounting inside a metal box).



Terminals:

Power Supply Input Terminal:

5V Micro USB port & 5-12V external power supply wiring terminal;

Audio Input Terminal:

3.5mm AUX input terminal & 2.54mm 3P AUX input terminal;

Audio Output Terminal:

3.5mm jack socket & 2.54mm 3P audio output terminal.



LED Indicator Instruction:

Quick flashing: waiting for a connection

Keeps on: connected

Slow flashing: audio playing



Usage:

This module is a blue~tooth receiver module which outputs standard analog audio signals. At the same time, the addition of AUX input terminals facilitates the connection of other audio sources.

When there is no blue~tooth connected, the AUX terminal and the OUT terminal are directly connected.

When there is blue~tooth connected, the blue~tooth audio signal is output from the OUT terminal, and the AUX terminal and the OUT terminal are disconnected.



Note:

This item is a blue~tooth receiver board, if used for speakers, please connect an amplifier. Otherwise, there will be distortion at high volume.



Package Included:

1x Blue~tooth Board

• PARAMETER --- input voltage range DC 5V-24V, support micro USB 5V power supply; blue~tooth version 4.2.
• APPLICATION --- headphone, speaker, home stereo system DIY.
• INPUT METHOD --- 3.5mm AUX input & 2.54mm 3P AUX input.
• OUTPUT METHOD --- 3.5mm audio output & 2.54mm 3P audio output.
• LED INDICATOR --- indicates status of waiting for a connection/connected/audio playing.

User questions & answers

Product description

Features:

Three kinds of audio input: Blue~tooth receive; USB decoding play; TF card decoding play.

Power: DC5V; Effective blue~tooth transmission distance: 10-15 meters.

Support multiple formats: MP3, WMA, WAV, FLAC.

The front output can directly promote headphones or connect rear amplifier.



Key Operation:

MODE: press the "MODE" button to switch among three kinds of audio input, Blue~tooth receive; USB decoding play; TF card decoding play.

NEXT: short press the "NEXT" button to play the next song, long press the "NEXT" button to increase volume.

BACK: short press the "BACK" button to play the previous song, long press the "Back" button to decrease volume.

EQ: sound effect manager(only valid under USB or TF card playing mode).

Audio Output: for connecting headphones, active loudspeaker box or amplifier(if yours is passive loudspeaker box, please connect amplifier first).



Connection:

1. First off it's a Micro USB connection for power, powered by DC 5V, or if you want to solder your own power then you can take that route if you like. Then connect headphones or active loudspeaker box or amplifier to the audio output.

2. Open the Blue~tooth function of your cell phone or other devices with Blue~tooth audio stream output support(such as laptops, tablet PCs, etc.), please first delete other blue~tooth devices that had been connected to your phone before on your phone(or the blue~tooth connection will be unstable), and then the phone will automatically search and pair with the module, no pairing codes or button mashing needed. After a successful connection, the phone will show that the module Xpecial audio has been connected, while the LED blinks blue.



Package Includes:

1 x Blue~tooth Audio Receiver Board

User questions & answers

Product description

DROK Blue~tooth Audio Receiver Module



Parameters:

Input Voltage: DC 5V~35V, support micro USB 5V input.

Blue~tooth Version: 4.2

Blue~tooth Name: Drok_BT

Blue~tooth Effective Transmission Distance: 10-15 meters / 32.8-49.2 feets.

Working Temperature: -40℃ to 85℃

Outer Dimension: 64*41*35mm / 2.5*1.6*1.4 inch



Features:

SMT process

Input reverse connection protection

Dual audio output terminal

Support antenna external connection (suitable for mounting inside a metal box)



Input/Output Terminals:

Power Supply Input Terminal:

5V micro USB port & 5-35V external wiring power supply terminal

Audio Output Terminal:

3.5mm jack socket & 2.54mm 3P audio output terminal.



LED Indicator Light Instruction:

Quick flashing: waiting for a connection

Keeps on: connected

Slow flashing: audio playing



Note:

1. This item is a blue~tooth receiver board. If used for speakers, it needs to connect an amplifier. Otherwise, there will be distortion at high volumn.

2. The case is shipped unassembled to aviod damage during transit, needs to be manually installed.

3. There is a protective film on the case, please remove it before installation.



Package Included:

1x Blue~tooth Receiver Board

1x Protective Case

• PARAMETER --- Input voltage DC 5V~35V, support micro USB 5 volt power supply input. 4.2 version blue~tooth, support memory connection; blue~tooth effective transmission distance 10-15m/32.8-49.2 feets.
• APPLICATION --- Blue~tooth receiver board, can be used for headphone, speaker, car audio system, home stereo system DIY.
• OUTPUT METHOD --- 3.5mm audio output terminal & 2.54mm 3P audio output terminal.
• LED INDICATOR --- indicates status of waiting for a connection/connected/audio playing.
• NOTE --- 1). This item is a blue~tooth receiver board. If used for speakers, it needs to connect an amplifier. Otherwise, there will be distortion at high volume. 2). The case is shipped unassembled to avoid damage during transit, needs to be manually installed. 3). There is a protective film on the case, please remove it before installation.

Product description

DROK Blue~tooth 5.0 Audio Amplifier Board

Parameters

Power Supply Voltage: DC 5-27V, the best range is DC 8-24V.

Amplifier Chip: TPA3116D2 (Anti-interference Class D high efficiency power amplifier)

Channel: Left + right channel stereo

Output: LC filter output, high-definition sound quality

Transmission Distance: > 15m in the condition of no obstruction

Protection: Anti-static, power supply anti-reverse connection, short circuit protection, overheating protection, over voltage protection, under voltage protection, DC protection.

Adaptation Speaker: 10W-200W, 4Ω/8Ω

Output Power: 10W*2@12V, 8Ω; 20W*2@12V, 4Ω; 20W*2@18V, 8Ω; 40W*2@18V, 4Ω; 30W*2@22V, 8Ω; 50W*2@21V, 4Ω



Instruction on Blue~tooth Connection

When the Blue~tooth board is powered on, the blue LED flashes quickly and enters the Blue~tooth connection mode. Then search for XinYi on the phone, tap "XinYi" to complete the connection with an alert tone being played, and the blue LED turns strongly bright. At this time, open the phone music player to play music, the Blue~tooth LED will flash slowly which means being playing.



For other precautions, please carefully read the User Manual.



Package Includes:

DROK Blue~tooth Amplifier*1

• Parameter --- Power supply voltage: DC 5-27V, over 2A (the best input range is 8-24V), can be powered by 12V or 24V; Dual channel: Left and right channels; Output power: 50W+50W, recommended 4Ω/8Ω speakers; Blue~tooth version: 5.0.
• Blue~tooth/AUX/USB Input --- This stereo amplifier board supports three types of input: 1. Blue~tooth 5.0, as being designed with a PCB antenna, in the condition of no obstruction, the visible distance of the connection can reach 15m, but do note that it must be far away from the router when using it; 2. AUX; 3. Type-C port for USB input. When being powered on, default to enter Blue~tooth mode.
• HD Sound Quality & Volume Control --- With the LC filtered output, the sound played by this power amplifier can be high quality, clean and pure. By effectively reducing electromagnetic interference, it won’t get much background noise. And the volume control is easy to operate: rotate to turn up or down; Short press to stop or move on; Long press to turn on or off.
• Heat Dissipation --- Pure aluminum heat sink and shell heat dissipation, by which the large heat dissipation area to ensure high power and high performance operation.
• Protection --- Anti-static, power supply anti-reverse connection, short circuit protection, overheating protection, over voltage protection, under voltage protection, DC protection.

Product description

Product Parameters:

Amplifier type: AV amplifier

Channel: 2 channel

Weight: 0.154kg

Resistance: 4ohm

Dimension: 78*70*38cm

Input voltage: 12V-24V

Input current: at least 2.5A

Bluetooth connecting distance: within 10 meter



Bluetooth standard: Bluetooth 4.0+EDR Headset power: 105mW*2

Speaker output power: 50W*2

Power input: DC 12V-24V 3A--4A



Note:

Connect the speakers, please use 12V power supply; Connect the headset, please use 5V power supply; Recommend speaker power is 10W to 120W.

Bluetooth not connect succeed: power off it and restart again

Amplifier no sound: check whether volume normal, confirm insert DC 12V-24V power

Aux audio input no sound: only can use 3.5mm audio signal cable

IBM(Lenovo) PC cannot connect the Bluetooth with this amplifier, need to download the Bluetooth driver then connect Bluetooth device,

click>> Control Panel, find the "Sound" option, setting Bluetooth as the default device.



Package includes:

1pcs Bluetooth amplifier

1pcs audio signal cable(1.2m length)

1pcs AV audio signal cable(1.5m length)

1pcs US-type power supply

• 50W+50W DUAL CHANNEL: DROK Bluetooth receiver amplifier is able to tolerate DC 9-24V wide voltage input and provide 50W+50W powerful output. Besides, this Amp module is with DC 12V 5A US-type Power supply adapter to make the use more convenient and the output more stable.
• TINY SIZE BUT WITH STRONG BLUETOOTH RANGE: Our Bluetooth speaker amplifier is with colourful shell and ultra-small size (78×70×38mm), but its Bluetooth transmitting range is up to 30 feet, even in the basement, the signal is strong.
• EXCELLENT SOUND QUALITY: With advanced technology and chip, our Bluetooth stereo amplifier has good sound quality, no distortion, no humming or hissing and sounds clear, crisp.
• SUPER COMPATIBILITY: Our Bluetooth audio transmitter can be widely applied to various tablet PC, TV, smartphone, Laptop with Bluetooth, iPhone and etc, versatile and simple to use.
• WHAT U GET: The package includes 1pcs bluetooth amplifier, 1pcs audio signal cable(1.2m length), 1pcs AV audio signal cable(1.5m length), and 1pcs US-type power supply.

User questions & answers

• Blue~tooth Board Parameter---input voltage range DC 5V-24V, support micro USB 5V power supply; blue~tooth version 4.2.
• Blue~tooth Board Input Method---3.5mm AUX input & 2.54mm 3P AUX input.
• Blue~tooth Board Output Method---3.5mm audio output & 2.54mm 3P audio output.
• Audio Amplifier Board Parameters---working voltage is DC 5V, output power is 5W (2Ω 5V)/3W (4Ω 5V) / 1.8W (8Ω 5V). Input method is monaural input.
• Audio Amplifier Board High Performance---the digital amplifier module is with high efficiency of over 90%, general harmonic distortion noise is less than 10%, low quiescent current and noise suppression.

• Blue~tooth Board Parameter --- input voltage DC 5V~35V, support micro USB 5 volt power supply input. 4.2 version blue~tooth, support memory connection; blue~tooth effective transmission distance 10-15m/32.8-49.2 feets.
• Blue~tooth Board Output --- 3.5mm audio output terminal & 2.54mm 3P audio output terminal.
• Amplifier Board Parameter --- input voltage range is DC 9-18v; output power is 30W+30W; can be connected to 4-8 ohm speakers.
• High Performance --- the amplifier board adopts high-grade pure black immersion gold circuit board, KEMET speaker capacitor, double NICHICON large-capacity filter capacitor per channel, high-quality monolithic filter capacitor and metal film resistor. These provide a high performance for this audio amplifier board.
• Adjusting Knob --- this dual-channel amplify module is comes with a adjustable knob, the volume can be adjusted conveniently.

• DC 5-24V Blue~tooth Board PARAMETER --- input voltage range DC 5V-24V, support micro USB 5V power supply; blue~tooth version 4.2.
• DC 8-26V Amplifier Board Parameters --- DROK audio amplifier board working voltage is DC 8-26V, can be powered by 12V, 24V; output power is 15W stereo (24V 8ohm)/ 10W stereo (12V 8 ohm), if connect 4 ohm or 2 ohm speaker, the power will be automatically limited to 15W.
• DC 9-18V Audio Amplify Module --- DROK amplifier board input voltage range is DC 9-18v; output power is 30W+30W; can be connected to 4-8 ohm speakers.

• New Version: No more women voice. We have upgraded the board replacing the women voice with beeps to indicate the connection status.
• Parameter: DROK blue~tooth audio amplifier board wide input voltage range is DC 4.5V-27V, can be powered by 12v or 24v, output power is 50Wx2, SNR is 102dB. No POP sound when powering this module, skipping song or pausing.
• 2 Audio Input Ways: user can directly connect this blue~tooth speaker board with wire~less Blue~tooth 3.0/4.0/4.1, or choose the headphone (Line in) way.
• 2 Powering Methods: the digital amplifier module is equipped with wiring blocks and DC 2.1mm socket which is compatible with most laptop’s power port.
• Protective Function: the BT amp is designed with acrylic protective shell, reverse connection protection, over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection.

User questions & answers

• Parameter --- The black one: Input voltage range DC 5V-24V, support micro USB 5V power supply; blue~tooth version 4.2. The blue one: Power supply voltage: DC 5-27V, over 2A (the best input range is 8-24V), can be powered by 12V or 24V; Dual channel: Left and right channels; Output power: 50W+50W, recommended 4Ω/8Ω speakers; Blue~tooth version: 5.0.
• Application --- Headphone, speaker, home stereo system DIY.
• Input --- The black one: 3.5mm AUX input & 2.54mm 3P AUX input. The blue one: 1. Blue~tooth 5.0, as being designed with a PCB antenna, in the condition of no obstruction, the visible distance of the connection can reach 15m, but do note that it must be far away from the router when using it; 2. AUX; 3. Type-C port for USB input. When being powered on, default to enter Blue~tooth mode.
• HD Sound Quality & Volume Control --- The blue one: With the LC filtered output, the sound played by this power amplifier can be high quality, clean and pure. By effectively reducing electromagnetic interference, it won’t get much background noise. And the volume control is easy to operate: rotate to turn up or down; Short press to stop or move on; Long press to turn on or off.
• Protection --- The blue one: Anti-static, power supply anti-reverse connection, short circuit protection, overheating protection, over voltage protection, under voltage protection, DC protection.