Audio Console Mixing 1.output voltage:4v(max) 2.frequency response:20Hz+3dB 3.used for recording,dance hall,disc and so ... . With 2 grouping, 7-segment stereo equalizer, overweight .3.Bass signal output, phantom power, ultra-low noise wide dynamic circuit design ... field, using high-brightness blue LED display. 7. Overweight bass output, compatible with lectures, meetings, disco dance halls and other ...