2 x 50W Bluetooth 5.0 Multipoint Audio Amplifier Board – TSA2400


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SKU: G5F6DB9B447030

Check out this page for all the Multipoint amplifiers and modules.

TSA2400 is a 2x50W Stereo Bluetooth 5 multipoint audio amplifier board. It has perfect class-D architecture(based on TPA3116D2) and each channel has maximum 50W power output. Both channels are capable of giving nominal power outputs simultaneously and continuously. This board can be powered with any DC 10V-24V power supply. It can be used to drive any 4Ω or 8Ω passive speakers.

The highlight point is that it is BT 5 integrated. You can have many TSA2400 boards paired and work together. TSA2400 can remember the pairing info. You don’t need pair them each time you turn the amplifier board on. This makes it possible to build a wireless surround sound system by using the TSA2400.

If you only use one TSA2400, it can work as a common Bluetooth amplifier board.

Power up the amplifier board, double click PAIR button to set the board into Pairing mode, use your phone or PC or any other audio source to search for a new Bluetooth device. The module will appear as “TSA2400”. You don’t need a PIN, pair it up and then play your music.

Pairing buttons:

  • PAIR – Double click to get into pairing mode.
  • TX – Click to get into transmitter mode.
  • RX – Click to get into receiver mode.

External Pairing buttons Port:  Connect external buttons to control the PAIR/TX/RX.

Play, Volume control Port: Connect external buttons to control the music Play/Pause, Volume+, Volume-.

One board works like a normal Bluetooth amplifier

Multiple boards working together

How to Use:

Master board:

  1. Power up the TSA2400, Blue LED will flash slowly.
  2. Double click the PAIR button to set the TSA2300 into pairing mode. Blue LED will flash quickly. (Voice: Pairing)
  3. Now your smartphone will be able to find a new Bluetooth device which is named “TSA2400”. Connect it.
  4. You can play music now. If you only use one amplifier board, you don’t need to do the following steps.
  5. Click the TX button, set the module to transmitter mode. (Voice: transmitter mode)

Slave board:

  1. Power up another TSA2400. Blue LED will flash slowly.
  2. Make sure the master board is already working correctly and is in transmitter mode. Click the RX button to set the slave board into receiver mode. It will auto search the master board. (Voice: receiver mode, searching)
  3. Double click the TX button on the Master board. The master board will auto search(30s) the slave board. Both the master and the slave board will be connected. (Voice: searching)
  4. The slave board will have music out now.
  5. If there is a new board to be joined as a slave board, just click RX on the new module and double click on the Master module.
  6. If a slave board wants to quit, click TX button on that module.

Note: If you don’t hear the voice prompt when clicking TX, click the RX to switch the mode and then click TX again.

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






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%


  • Size: 95*68*20mm
  • Multipoint connection
  • Bluetooth 5.0
  • Qualcomm cVc audio technology
  • Qualcomm TrueWireless Technology
  • Stereo receive
  • Effective transmission distance: 10-15m
  • Compatible with all Bluetooth devices that support media audio, including iPhone


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