2 x 50W + 100W 2.1 Channels Bluetooth+DSP Amplifier Board – TSA7800B(Apt-X)

$74.50

TSA7800B 2x50W + 100W 2.1 channels Bluetooth+DSP amplifier board with an AudioB I2S Bluetooth module that supports Apt-X. TSA7800B is a very flexible DSP/DAC/Amplifier combination board. It has perfect class-D architecture(Based on TPA3116D2); two channels have 50W power output, and another channel has 100W power output. All the channels are capable of outputting nominal power simultaneously and continuously. Any DC12V-24V power supply can power this board. It can be used to drive any 4Ω or 8Ω passive speakers(a Subwoofer channel can drive a 2Ω speaker).

2 x 50W + 100W 2.1 Channels Bluetooth+DSP Amplifier Board – TSA7800B(Apt-X)

TSA7800B 2x50W + 100W 2.1 channels Bluetooth+DSP amplifier board with an AudioB I2S Bluetooth module that supports Apt-X. TSA7800B is a very flexible DSP/DAC/Amplifier combination board. It has perfect class-D architecture(Based on TPA3116D2); two channels have 50W power output, and another one has 100W power output. All the channels are capable of outputting nominal power simultaneously and continuously. Any DC12V-24V power supply can power this board. It can be used to drive any 4Ω or 8Ω passive speakers(a Subwoofer channel can drive a 2Ω speaker).

It’s a 2.1 channels amplifier board. That channel for the subwoofer is 100W mono output (The user can change the DSP program to let it becomes a right or left channel). You can pair it with a mobile phone or a computer etc.. Power the amplifier board. Then, use your phone or PC to search for a new Bluetooth device. The module will appear as “TSA7800B”. You don’t need a PIN, pair it, and then you can play music.

The highlight point is the ADAU1701 DSP chip on board. Users can set each channel’s audio tone separately. Apt-X and TWS supported. Therefore, Users can stream audio to 2 paired amplifier boards simultaneously wirelessly.

External Buttons port: Three buttons on the board can control the audio volume and plays/pause etc… You can connect external buttons easily by using this button’s control port.

Pins define:(Check the board backside silkscreen):

  • P/P: Play the pause button
  • VOL+: volume increase and forward button
  • VOL-: volume decrease and rewind button
  • 1.8V

Aux in enabling port: The default DSP program mixes the RCA/Bluetooth audio and output to the amplifier chips. If you want, select the RCA/Bluetooth manually by a switch. In addition, you can connect an external switch to this port and load a different DSP program.

POT port: The user can connect an external 10K potentiometer to control the audio volume.

DSP programming port: Users can load a new DSP program by using the USB JTAG Sigma DSP programmer

The onboard default DSP program will mix the RCA&Bluetooth audio and output to the speakers. However, users can also change the DSP program to make the audio source selectable by an external switch.

TWS settings:

  • S1 – Long press 3s into pairing mode. Long press 6s clear the pairing info.
  • S1+S2 – Long press 1s into TWS slave mode.
  • S1+S3 – Long press 1s into TWS master mode.
  • S2+S3 – Long press 1s disconnect TWS connection.

Features:

  • Size: 13.5cm x 9.2cm x 3.4cm
  • aptX, aptX Low Latency, SBC and AAC
  • Bluetooth 5.0
  • I2S Sampling Rate: 48KHz
  • 2.1 channels
  • Working voltage: DC12V-24V
  • Over/under voltage protection
  • Over current protection
  • Over temperature protection

Applications:

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

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Product Manuals

If applicable, the Product Documentation, Reference Materials, CAD design(s),.STEP file(s) and/or other drawing files, Manuals, and Tutorials will be available for download upon purchase. The order confirmation email will include a downloadable link to the product file(s), which can also be downloaded from the My Account section if needed.


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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Return Policy

Warranty: We guarantee to provide accurate descriptions and high quality product. If you have any problems with your order, please notify us within 60 days from date of shipment of any defective product. You agree to pay for the return shipping on exchanges and returns and we will reimburse this cost upon verification of a defect with the product. Furthermore, no warranty will apply if the product has been subject to misuse, static discharge, neglect, accident, modification, or has been soldered or altered in any way. Returns: If you are not satisfied with a product you bought, for whatever reason, it is possible to return it for refund within 5 days of receipt (10 days for an exchange). You must first advise us by email: support@ozrobotics.com for return authorization. No returns will be accepted without having previously obtained a return authorization. All returns must be in its original mint and clean condition. Returns on damaged, scratched, programmed, burnt, or otherwise played with product will not be accepted. The product must then be returned in its original packaging with its receipt and a small note for the reason of the return. The note will help us to serve you better and improve our products. Reimbursement will be denied for any products which do not conform to the abovementioned conditions Please note that all items will be reimbursed within 3 days of receiving the product (shipping fees excluded). You must cover the cost of returning the product. You will need to pay for shipping (if you want a refund instead of a replacement). Shipping fees will only be refunded if the return is a result of a shipping error on our part.

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