DC 12V 4*50W TDA7850 Car Audio Power Amplifier Board Stereo+ BA3121 Denoise

DC 12V 4*50W TDA7850 Car Audio Power Amplifier Board Stereo+ BA3121 Denoise
  • Продавецkyxn9.info
  • Список ценUS $20.98piece
  • Продажная ценаUS $20.98piece
  • ДоставкаБесплатная доставка
  • Рейтинги4,6 (863)

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DIY amplifier board details

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product description :

1: ST\'s TDA7850 is a high-quality car audio amplifier IC . MOSFET amplifier output . 4 x 50W output .

2: Output short-circuit and temperature protection . Stable, excellent sound quality .

3: HIFI design concept . 4-channel amplifier production . With noise reduction chip BA3121 .

4: Increase the ACC control interface ,

5; Board dimensions: length 65mm * width 50mm * height 46mm

A single power supply 12V - 14.4V power supply ,

4 x 50W / 4 max. (Maximum power / 4 ohm )

4 x 80W / 2 max. (Maximum power / 2 ohms)


Photos List



Shipping services:




I will send your item in 4 days after your payment

All will be shipped by international standard airmail,Sometimes may delay one more week,
as for your Country Customhouse.
United Kingdom | United States | Australia | Canada |(About 15-35 Days)
Germany | Austria | Switzerland |(About 15-35 Days)
France | Italy | (About 25-60 Days)
Other | (About 30-90 Days)
 If you choose the following shipping methods,the shipping fee will be charged.
EMS,shipping date:5 to 13 days
DHL,shipping date:2 to 8 days
FEDEX,shipping date:2 to 8 days
TNT,shipping date:2 to 8 days


 Return policy:


If you are not satisfied with our quality,Pls send back to us,we will return your money except shipping cost.
But we don`t accept the return by the color differentia.Because different monitor have different display.And every time,
maybe the same color No. will have a little color differentia.
Dear buyers, we appreciate your business, if you are satisfied with our service,
please leave us a positive feedback and rate the details of the transaction.
Your recognition will make us more confident to develop business and serve you better.
Please email us before leaving negative feedback or open any dispute.
We understand the concerns and frustrations you might have, and will do our endeavor to resolve the issues.
Please give us the opportunity to solve any problem.



 If there is customs expenses,you need to pay the taxes to the courier on receipt of the items.