Power on/off switch with LED indicator Microphone input jack Microphone Level controlBass/midrange/treble/loudness/balance Master volume control High/low frequency filter Stereo/mono switch Muting switch Input source selector Tuner/CD/aux/phone input RCA jacks Tape Monitorswitch 110V/220V switchable Rack-mount desgin Dim: 2.375H x 19W x8.5D