FSM8-PLUS 8Ch Stereo Mixer+Aux/Mon Buss 1UThe FSM 8 Plus 1RU mixer is a stereo, 8 channel mixer, including 4 mic line and 4 stereo line inputs, 2 of which can be switched to microphone. 1 channel is a stereo priority input, whilst the other 8 channels are usually configured as 4 stereo channels (Music section) and 4 balanced mono input channels (Microphone section). Music and microphone sections each have their own bass and treble equalisation (tone controls). All inputs have pre set gain