Compact audio mixer with 12 inputs and USB interface Built-in USB audio interface allows recordings and playback of digital audio files with a computer (PC and Mac) Full duplex USB port: simultaneous recording and playback possible 2 mono input channels with gain control, 3-way EQ, Low Cut and pan control 4 stereo input channels with 3-way EQ, level switch and balance control Adjustable stereo aux send output Tape input and output Separate main mix and control room outputs Headphones output +48 V phantom power, can be switched centrally Precise 4-digit stereo LED level display Operation via supplied power unit Rugged, compact metal housing Power supply: 230 V AC, 50 Hz via supplied power unit Power consumption: 28 W Inputs/sensitivity: Mic, mono 0.5 mV, XLR bal. Line In, mono 0.5 mV, 6.3 mm jack bal. Line In, stereo 10 mV, 6.3 mm jack L/R Tape In 100 mV, RCA L/R Outputs/level: Main Out: 650 mV, 6.3 mm jack L/R unbal. Control Room 2 V max. 6.3 mm jack L/R unbal. Aux Send: 2 V, 6.3 mm jack unbal. Tape Out 2 V, RCA L/R Headphones 2 V, 6.3 mm jack unbal. USB port: 2.0, type B Frequency range: 20-20000 Hz Distortion: 0.05 % S/N ratio: >74 dB Tone control/channel: Treble: ±15 dB at 12 kHz Middle: ±15 dB at 2.5 kHz Bass: ±15 dB at 80 Hz Phantom power: +48 V Dimensions (L x W x H): 270 x 215 x 72 mm Weight: 2.2 kg