This is a 2x50W audio amplifier that has integrated Bluetooth 4.0. It has perfect class-D architecture and each channel has 50W power output. This board can be powered by any DC 12V-24V power supply. It can be used to drive any 4Ω or 8Ω passive speakers. There are 2 toggle switches and a knob on the front panel. One switch is for power on/off and the other one is for RCA input enable/disable. When you use the volume knob to adjust the audio volume, it will also automatically synchronize volume with your iPhone.

It is perfect for your Hi-Fi application, the audio source can be RCA input or Bluetooth. You can pair it up with a mobile phone or a computer.

Power up the amplifier board, use your phone or PC to search for a new Bluetooth device, the module will appear as
“TSA3610”, you can simply pair it up without PIN. Yes, it connects automatically with your device. You can then play your audio.

  • TSA3610 supports both Bluetooth and RCA audio input. Ultra-low background noise and perfect audio quality.
  • The audio volume knob can adjust both Bluetooth and cable input audio volume. Very convenient and easy to use.

Please set the RCA input enable/disable switch to Bluetooth position when you only use Bluetooth.


TA = 20℃, fIN = 1 kHz sine wave, RL = 4Ω. (Unless otherwise stated)






Supply Voltage (VDC)


21 24
Idle Power SD Floating

1.3W 2.5W
Standby Power SD Connected to GND

0.1W 0.3W
Maximum Current 100W @ 4Ohm


Efficiency 50W @ 4Ohm 87% 92%
Minimum Load Impedance 3.2Ω
Switching Frequency SD Floating 394KHZ
Gain 24dB 25dB 26dB
Input Sensitivity(RMS) @4Ω, 50W, 1KHz 808mV
Input Impedance 22KΩ
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%


  • Dimension: 16cm x 7.5cm x 4.8cm
  • Weight: 420g
  • Bluetooth audio volume knob
  • Working voltage: DC 12V-24V
  • Bluetooth 4.0


  • Personal computer
  • Desktop amplifier
  • MP3, Video CD output Amplification
  • Home Theater
  • Powered DVD Systems





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