Top Positive Review for Amplifier on Banggood|Shopping Philippines

23% OFF TDA7498E Double 160W Power Amplifier Dual Channel Stereo Audio Amplifier Module Support BTL Mode US$26.99 US$35.00 View It

Overall:

BG441556441 08/01/2021

Brilliant little powerful amplifier. Just be careful with The PSU The chip is designed to allow the power supply to be earthed in a different place to the phone inputs but the designers of the board have missed this point and connected the phono outer to the main Psu ground. This means that the voltage drop on the PSU negative feeds back to the input and can give noise or even instability and feedback howl. The easiest way round this is to ensure the 36volt PSU is not grounded at all. If you want to guarantee you wont get smoke if there is a fault you should ground the phono plug back to the ground terminal on the other side of the board with a 2.5mm cross section wire and earth the equipment at this wire as well. apart from this very easy to use and good quality sound Ted Slevin

Comments (2)

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BG153254381 how to use this board in BTL MODE,ANY HELP?
Reply 29/08/2021

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BG183245751 can share it on a video how you did it, for DIY people pls.
Reply 12/12/2021

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