Professional Pre-amplifier AD-350 for subwoofer SPEAKER , highly recommended. 6.35mm 1/4 TS Mono Jack male to male AUX cable mic cable Guitar cable. Active+DSP 600W dj bass speakers. Cost effective X5 digital karaoke pre-amplifier. Full digital card package amplifier, RJ45 connection computer debugging, high reduction dual DSP effect, with Bluetooth 8 average power 350W × […]