TinySine 2 x 100W Class D Bluetooth Audio Amplifier Board – TSA7498


It’s perfect for your Hi-Fi application, and the audio source can be RCA input or Bluetooth. Compatible with all Bluetooth devices that support media audio, including iPhone Android. Let your smartphone be paired with this board to play music.

TinySine 2 x 100W Class D Bluetooth Audio Amplifier Board – TSA7498

This is a 2x100W audio amplifier board with AudioB plus Bluetooth module. It’s integrated with ST high-performance TDA7498 which supports dual channel audio amplification. Both channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC14V-39V* power supply. It has a smart cooling system. The fan does not work in normal cases to reduce the noise. It only starts when the chip temperature is > 65°C.


  • Size: 12cm x 8cm
  • Smart cooling system
  • Bluetooth 4.0
  • External mute control port
  • Working voltage: DC14V-39V
  • Over/under voltage protection
  • Over-current protection
  • Over-temperature protection

It’s perfect for your Hi-Fi application, the audio source can be RCA input or Bluetooth. Compatible with all Bluetooth devices that support media audio, including iPhone, Android. Let your smartphone be paired with this board, play music. So easy!

Note: We have tested it. It also works well with 12VDC power. But we suggest using DC14V-39V power if possible.


  • 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.

Shipping Policy

We currently ship via the Airmail, DHL, Fedex, TNT, Aramex and EMS to different countries. We will send your package out within 3 Business days after we receive your clear payment. FedEx and DHL, TNT, Aramex do not deliver to PO Boxes. If your shipping address is a PO Box, please select a EMS or Airmail option or your package will be returned to us at your expense. Please NOTE: Any customs duties generated are paid by the buyer, NOT the seller!

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.

Shipping costs

Region / Country State Postcode Cost
Any Any Any $25.00
Any Any Any $25.00

Upon submitting your question, your email will include the product link automatically.

    What is the minimum impedance per channel?
  1. 0 votes
    Q What is the minimum impedance per channel?
    Asked by Charles v reedy
    Answered by Oz Robotics Hi Charles. please check the amplifier chip datasheet. Thank you. https://www.st.com/content/ccc/resource/technical/document/datasheet/db/c5/04/74/fd/08/43/de/CD00244535.pdf/files/CD00244535.pdf/jcr:content/translations/en.CD00244535.pdf

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