Presenting the Q-2422 Pro The Q-2422 Pro is a 19-inch professional preamp mixer. Features: New improved sound quality 3-channel, 19-inch professional DJ mixer 2 Phono, 4 Line, 2 Aux, & 2 Mic Inputs Stream Flow™ LED indicators on each Ch. Easy access auxiliary input on front of the mixer to plug in MP3 players, or satellite radio receivers Bass, Mid & Tremble Control and separate volume for Mics Q-Start High quality Feather Fader™ for Smooth, Clean Crossfades (Replaceable) Balanced XLR outputs Recessed back panel 2 Zone Outputs Volume, bass, & treble control for second zone 3-band EQ per channel (Bass, Mid & Treble) Independent Pan & Gain on each channel Trim output adjustment on rear Improved mic circuitry and longer lasting line faders Specifications: Power Supply: AC 115v~60Hz/230v~50Hz, User Selectable Single Voltage: AC 100V, 50/60Hz (Japan) AC 110V, 60Hz (Colombia) AC 120V, 60Hz (U.S.A. and Canada) AC 127V, 60Hz (Mexico) AC 220V, 50Hz (Chile and Argentina) AC 220V, 60Hz (Philippines and Korea) AC 230V, 50Hz (Europe, U.K., New Zealand, South Africa, and Singapore) AC 240V, 50Hz (Australia) Dimensions (LxWxH): 7" x 19" x 4" (4 rack spaces) Weight: 8 lbs. / 3.4 Kgs. Crossfader: Feather Fader Plus Low grounding impedance crossfader Power Consumption: 16W typical, 29W w/full headphone output Input Sensitivity (Level/Impedence): Note: 0dBv output, load = 100k OHM Line: 10k OHM / -14dBv (200mV) Aux: 47k OHM / -14dBv (200mV) Phono: 47k OHM / -54dBv (2mV) Microphone 1: 2.2k OHM / -54dBv (2mV) Microphone 2: 2.2k OHM / -60dBv (1mV) Output Sensitivity (Level/Impedence): Note: 0dBv = 1Vms Master: 600 OHM / 0dBv (1mV) +/-2dB Zone: 1k OHM / 0dBv (1mV) +/-2dB Master Out (XLR): 600 OHM / +2.21dBm (1mV) +/-2dB Rec Out (RCA): 2.2k OHM / -10dBv (316mV) +/-2dB Phones: (Load=32 OHMs) 33 OHM / 0dBv (1mV) +/-2dB Maximum Output: (Load = 47k, THD = 10%) Master/Zone: More Than +18dBv (8.0V) Phones: (Load=32 OHMs) More Than +4dBv (1.6V) Channel Balance: Within 3dBv Frequency Response: Line/Aux: 20 - 20kHz +/-2dB Phono: 20 - 20kHz +2/-3dB (RIAA) Microphone: 20 - 20kHz +2/-3dB Noise: (maximum output) JIS-A weighted Line/Aux: Less Than -90dBv Phono: Less Than -66dBv Mic 1: Less Than -64dBv Mic 2: Less Than -60dBv THD - Total Harmonic Distortion: (Master = 0dBv output, w/20kHz LPF) Line: Less Than 0.02% 20 - 20kHz Crosstalk: (Master = 0dBv output) Line: More Than 60dB at 1kHz between L and R More Than 70dB at 1kHz between channels Channel Equalizer: Bass: +12 +/-2dB at 70Hz Below -23dB at 70Hz Mid: +12 +/-2dB at 1kHz Below -23dB at 1kHz Treble: +12 +/-2dB at 13kHz -14dB =/-2dB at 13kHz Zone Equalizer: Bass: +12 +/-2dB at 100Hz -22dB +/-3dB at 100Hz Treble: +12 +/-2dB at 10kHz -15dB +/-3dB at 10kHz Talkover: -12dB +/-2dB