PRICE DROP 20% OFF. BKB Audio KA-3500 3500 WATT KARAOKE MIXING AMPLIFIER. With MP3, Bluetooth, SD/USB, LINE input function. Mic adopts double reverberation and dual sound effect, and using Taiwan reverberation, which makes music sound more clear and freely. Peak Power: 3500 Watt. Frequency response: 20Hz-20KHz(+/-0.5Db). Input sensitivity: MIC—6mv/600 ohm. VCD, LD, DVD600mv/10 K ohm. […]