2 x 50W Bluetooth 5.0 Multipoint Audio Amplifier Board – TSA3118M

$44.50

TSA3118M is a 2x50W Stereo Bluetooth 5 multipoint audio amplifier board. It has perfect class-D architecture(Based on TPA3116D2), and each channel has a 50W power output. Both channels are capable of outputting nominal power simultaneously and continuously. Any DC10V-24V power supply can power this board. It can be used to drive any 4Ω or 8Ω passive speakers.

2 x 50W Bluetooth 5.0 Multipoint Audio Amplifier Board – TSA3118M

TSA3118M can also be connected to our TSA1000 external audio volume control board. People can adjust the audio volume by rotating the real knob.

  • TSA3118M can auto-detect the Aux in/Line in Audio input. Therefore, Bluetooth audio source has higher priority. When Bluetooth audio is paused or disconnected, the Amplifier will output the Aux in/Line in audio.
  • Multiple TSA3118M boards can be connected to become a multi-channel amplifier system. In addition, the Audio out port can also be connected to a subwoofer amplifier board.
  • BVC Port: BVC port can be connected to our Audio volume controller to control the Bluetooth audio volume.

TSA3118M can auto-detect the Aux in/Line in Audio input. Bluetooth Audio source has higher priority. When Bluetooth audio is paused or Bluetooth is disconnected. The Amplifier will output the TV audio.

TSA3118M + TSA1000, Both RCA input and Bluetooth audio volume can be controlled through the BVC port

Multiple boards work together.

How to Use:

  1. Power up TSA3118M and double-click S1 on the Bluetooth module, and the board goes into pairing mode (Voice: Pairing, LED: Blue LED fast blink).
  2. Now, your smartphone will be able to find a new Bluetooth device whose name is “TSA3118M”. Connect it.
  3. You can play the music now. If you only use one board as a normal audio amplifier, you don’t need to do the following steps.

Multipoint connection: Master board: Click S1, and set the master board to transmitter mode (Voice: broadcast mode, LED: Red LED on).

Slave board:

  1. Power up the slave board, and click S2 to set the board into receiver mode (Voice: broadcast audio enabled, LED: Green LED on).
  2. Double-click S2 on the master board and S2 on the slave board. The master board will auto searching (the 30s) slave board.
  3. Both master and slave board will be connected, then both master board and slave board will have music out now.
  4. If a new board wants to join as a slave board, click S2 to set the new board to receiver mode, then double-click S2 on the master board.
  5. If a slave board wants to quit, click S1 to switch that board to transmitter mode or normal mode.

Specifications typical @ +25℃, Powered by 21V DC, unless otherwise noted. Specifications are 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 x 2cm
  • Multipoint connection
  • Bluetooth audio volume control port(BVC)
  • Aux in/Line in auto detect
  • Subwoofer output port
  • Working voltage: DC10V-24V
  • Bluetooth 5.1
  • Up to 100 boards can be linked together.
  • 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
  • Over/under voltage protection
  • Over current protection
  • Over temperature protection

Applications:

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

Product Datasheet and Manual

If applicable, the Product Documentation such as Datasheet, Brochure, Reference Materials, CAD Design, STP Files, Manuals, and Tutorials will be available for download upon purchase from the My Account as needed. On the checkout page, please create an account to download product-related files upon purchase. You won’t be able to download otherwise.


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Founded in 2009, TinySine Electronics is a smart home and open source hardware provider, catering to hardware engineers, DIY enthusiasts and interactive designers. Our ever-growing product catalog includes over 700 components and widgets from sensors, robotic platforms, communication modules to smart home relay boards.

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