Principal crítica positiva para Amplifier em Banggood Brazil|Fazer compras Brasil

38% OFF SANWU® 50W+50W TDA7492 CSR8635 sem Fio Bluetooth 4.0 Receptor Áudio Amplificador Placa NE5532 Preamp US$12.38 US$19.99 View It

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TiemeKuyper 07/09/2020

Basically very good unit, but there are some design flaws in it. First of all I received it without heatsink. Certainly not 2x50watts. But also analog jack was not good implemented. Since In & Out are shorted, it causes a lot of distortion. I modified the jack as in-only, connecting direct into the opamp with 47k/4µ7. Increased the mute C to 30µF and because lot of hiss coming from the BT module I increased the input R's to 100kΩ. Now it is doable. Sound is ok for background unit. Not for HiFi. But for the price it is value for money!

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