... 4stereo channel3Phono/Line convertible,5Line, and 2Mic inputsDual 7 bands graphic equalizerEcho effect and 6-Audio effect State of the art ... :0dB/600ohmDISTORTIONMic:0.2%Phono:0.05%Line:0.03%EQUALIZER:7-band control frequencies:63,100,400,1K,2K,4K ...