4-channel DJ mixer with USB interface Integrated USB audio interface for digital mixing of audio files from PC and Mac Full duplex USB port allows simultaneous recording and playback 4 channels with gain control, 2-band equalizer, cue button and channel fader 1 DJ microphone channel with talkover selector and 2-band equalizer Pre-fader listening to all stereo input channels and the master output via adjustable stereo headphones output Replaceable crossfader for crossfading between input channels with assignment switches Master channel with level control and 6-digit stereo LED level meter Inputs: 1 x USB, 5 x line (stereo RCA), 2 x phono (stereo RCA), 1 x microphone (XLR/jack) Outputs: master (stereo XLR/RCA), record (stereo RCA), headphones (6.3 mm jack) Rack installation, 4 U Power supply: 100-240 V AC, 50/60 Hz Power consumption: 25 W USB port: 2.0, type B Inputs: DJ microphone (front): combined 3-pin XLR/6.3 mm jack (bal.) Impedance: 1 kohms Minimum input voltage: 10 mV RMS LINE 1-4: stereo RCA Impedance: 1 kohms Minimum input voltage: 300 mV RMS PHONO 1.2: stereo RCA Impedance: 1 kohms Minimum input voltage: 3 mV RMS Outputs: MASTER: stereo RCA, XLR L/R (bal.) Output voltage: 3 V RMS REC: stereo RCA Output voltage: 7 V RMS Headphones output: 6.3 mm stereo jack (>16 ohms) Tone control (DJ microphone): 1 x High: -30 dB to +12 dB/ 10 kHz, ±1 dB 1 x Low: -30 dB to +12 dB/ 100 Hz, ±1 dB Tone control (ch 1-4): 1 x High: -30 dB to +12 dB/ 40 kHz, ±1 dB 1 x Low: -30 dB to +12 dB/ 40 kHz, ±1 dB S/N ratio: 60 dB Frequency range: 20-20000 Hz Dimensions (WxHxD): 483 x 177 x 101 mm (19, 4 U) Weight: 2.9 kg