... . 3.gain control 4.thd:less than 0.05% Karaoke Audio Mixer with Power Output Amplifier Specification: MAX level input19db(1kHz,THD ... Parameters EQ input and 9 band Graphical EQ outputØ 8 mixing channels, supporting Main output, AUX output, sub output, preview and ... in performances, conferences, schools, intelligent buildings and personal studio Karaoke Audio Mixer with Power Output Amplifier