Mic/line inputs: 10 line inputs: 8 mono + 4 stereo mixer input channels: 16 group busses: 4 aux busses: 3 including 1x effect send main busses: stereo total harmonic distortion (thd+n): less than 0.1%, 20hz-20khz frequency response: 0, +1, -3db, 20hz-20khz equivalent input noise (ein): -128dbu residual output noise: -98dbu crosstalk (1khz): -70db power supply adaptor: pa-30 ac adaptor (ac35vct, 1.4a); 100v, 120v, 220v, 230v or 240v, 50/60hz power consumption: 35w dimensions: 478x105x496 mm net weight: 5.5 kg accessories: owners manual, ac adaptor