This is a 2 x 50W audio amplifier board with AudioB plus Bluetooth module. It has a perfect class-D architecture (based on TPA3116D2) and every channel has 50W power output. Both channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC 10V-24V power supply, it can be used to drive any 4Ω or 8Ω passive speakers.
It is perfect for your Hi-Fi application, the audio source can be cable input or Bluetooth. You may wish to pair up the amplifier with a mobile phone or a computer that has Bluetooth function.
Power up the amplifier board, use your phone or PC to search for a new Bluetooth device, the module will appear as “BT Speaker”, you can simply pair it up without PIN. Yes, it connects automatically with your device.
You can then play your audio.
*BVC Port: BVC port can connect with our Audio volume controller to control the Bluetooth audio volume.
Specifications typical @ +25℃, Powered by 21V DC, unless otherwise noted. Specifications subject to change without notice.
Supply Voltage (VDC)
|Idle Power||SD Floating||
|Standby Power||SD Connected to GND||
|Maximum Current||100W @ 4Ohm||
|Efficiency||50W @ 4Ohm||87%||–||92%|
|Minimum Load Impedance||3.2Ω|
|Switching Frequency||SD Floating||–||394KHZ||–|
|Input Sensitivity(RMS)||@4Ω, 50W, 1KHz||–||808mV||–|
|Output Power||@4Ω THD+N 1%||–||36W||–|
|@4Ω THD+N 10%||–||50W||–|
|Bandwidth @ ±3dB||@4Ω||20Hz||–||20KHz|
|THD||@4Ω, 1W, 1KHz||–||0.0299%||–|
|@4Ω, 10W, 1KHz||–||0.073%||–|
- Size: 6.9cm x 9.5cm
- Bluetooth 4.0
- Bluetooth audio volume control port(BVC)
- Working voltage: DC10V-24V
- Over/under voltage protection
- Overcurrent protection
- Over temperature protection
- Personal computer
- Background music system
- Musical instrument amplifiers
- Home DIY
- Car audio
- How to change the BT name
- How to enable BT password
- How to change Bluetooth audio gains
- TSA3116 Bluetooth module PSR file