Numark C3USB Five-Channel Mobile DJ Rack Mixer with USB I/O

Key FeaturesFive-channel rack DJ mixer Inputs: three phono (RCA), eight line (RCA), three mic (1/4") Outputs: Balanced (XLR), Master (RCA), Record (RCA), Zone (RCA), Headphone (1/4" stereo) Two USB jacks, each assignable to input or output USB input for connecting computers for audio input USB output for recording gigs to computer Three-band EQ each channel Microphone channel with EQ Replaceable, assignable crossfader No software drivers needed for use with Windows XP/Vista or Mac OS X Works with almost any audio recording softwareInputs: Line: 10Kohm input impedance; 77mV rms sensitivity for 1.22V output Mic: 600 ohm input impedance unbalanced; 1mv rms sensitivity for 1.22V output; 70mV rms max input Phono: 47Kohm input impedance; 1.2mV rms sensitivity @1KHz for 1.22V output Outputs: Line: 9V rms max Headphone: 0.5W into 47 ohm Distortion: less than 0.01% Signal to Noise Ratio (maximum output JIS-A weighted): Line: Better than 98dB Mic: Better than 86dB Phono: Better than 81dB Frequency response: Line: 20Hz-20KHz ±0.5dB Mic: 20Hz-15KHz ±0.5dB Phono: ±1dB except for controlled attenuation of –3dB @ 20Hz to reduce rumble and feedback EQ (Channel): Bass: +12/-32dB @60Hz Middle: +12/-32dB @1.2KHz Treble: +10/-28dB @15KH EQ (Mic): Bass: ±10dB @100Hz Treble: ±10dB @15KH Power consumption: 11 Watt typical; 14.7 Watt with full headphone output System requirements for USB functionality: PC: Windows XP or Vista Mac: OS X USB port