SPA-6800/SPA-6200AInput Specification6-Line microphone Low-z balanced input6-Line High-z unbalanced inputPower Voltage: 115V/230V ACFrequency:50Hz/60HzOUTPUTMaster output:200 Watts RMS 4 OhmsFrequency: 20Hz-20KHz5-Band graphic equalizer:60Hz 250Hz 800Hz 2KHz 8KHz ¡À12dB