Subwoofer Speaker Amplifier Board 2.1 High Power HiFi Bass And Treble Contro Fit

Feature: 1. MULTIFUNCTIONAL: Subwoofer speaker amplifier board is with the pre amplification, bass divider processing. Item Type: Subwoofer Speaker Amplifier Board. ANTI SHOCK : Digital sound amplifier board with boot anti shock design, boot no burst sound.

eBay