These little boards are great. Really good sound quality and my setup doesn't require a ground loop breaker between it and the amp. Fantastic value for money. Soldering can be a little tricky if your skills aren't very good (mine are significantly worse). However, this is possible with a little care. I used one of these to make a bluetooth speaker in a small package. I used a small board that allows you to power the bluetooth board with 5v and the amplifier board with 12v. pleasure works.
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