12 Input 6x XLR, 6x Rca, 12 Trs inputs, stereo out as XLR/TRS, 2x AUX sends (output as XLR) 2 built-in digital effect units: RevX (8 programs),

SPX 16 programs, delay with tap tempo); 2x stereo subgroups, 2x TR-In as RCA or USB port for Apple iPod/iPhone