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Home / Products / Bluetooth Audio Amplifier / 2 x 50W Class D Bluetooth Audio Amplifier Board – TSA3117B(Apt-X)

2 x 50W Class D Bluetooth Audio Amplifier Board – TSA3117B(Apt-X)

TSA3117B is designed for mass production and DIY users. Bluetooth/LINE IN select switch and audio input port are designed as JST connectors. So, users can install this amplifier board in a box and connect an external switch and RCA/Mono plug to make their own audio amplifier.

TSA3117B can also connect with our TSA1000 external audio volume control board. Users can adjust the audio volume by rotating a real knob.

TSA3117B is a 2x50W audio amplifier board with a new AudioB plus Bluetooth module that supports Apt-X. It has 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.

Specification:

Specifications typical @ +25℃, Powered by 21V DC, unless otherwise noted. Specifications subject to change without notice.

Parameter

Condition

Min

Typ

Max

Supply Voltage (VDC)

10

21 24
Idle Power SD Floating

1.3W 2.5W
Standby Power SD Connected to GND

0.1W 0.3W
Maximum Current 100W @ 4Ohm

5.29A

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%

 

Features:

  • Size: 6.9cm x 9.5cm
  • aptX, aptX Low Latency, SBC and AAC
  • Bluetooth 4.0
  • Bluetooth audio volume control port(BVC)
  • Working voltage: DC 10V-24V
  • Over/under voltage protection
  • Overcurrent protection
  • Over temperature protection

Applications:

  • Personal computer
  • Background music system
  • Musical instrument amplifiers
  • Home DIY
  • Car audio

Documents:

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