Electronic works Bass Treble Mid Board kit with Low Pass Filter for subwoofer Board preamplifier 2.1 (Working on 12-0-12 Volt Dual Power Supply)

Very good and perfect 2.1 preamp board, sound is crystal clear and bass also very good. Sound volume and subwoofer volume are individual good point.

The media could not be loaded. Sound quality bass quality best

It's packing was very nice and the quality of board and sound is also very good. You can purchase it.

Did not work .

Trable, mid, bass work fine. No humming sound. Potentiometers are of good quality. Subwoofer volume control is independent of master volume. I am using 12-0-12 (2 ampere) ac transformer.

Very very worst board

Super sound and clear treble.good bass.

OK