DRIPSTONE MIXER AMPLIFIER 60W WITH USB, 4 ZONEHY7060MB - Technical data Output power: 60W Frequency response: Mic: -3dB(200Hz ~ 18KHz) Line: -3dB(50Hz ~ 19KHz) THD at 1kHz: less than 1% Input sensitivity Mic input: -40dB(10mV) Line: -8dB(200mV) Input interface MIC/Line 1, 2, 3: 6.35mm/XLR AUX: RCA. USB. SD Output Interface: 4 ~ 8 Ω, 70V and 100V. RMS 1V Low Level Signal Signal-to-noise ratio Mic: >80dB Line: >85dB Power supply: 115/230V(AC50-60Hz), DC24V 5A Dimensions WxHxD: 484v89v340mm