Denon DN-X500 4 CH DJ Mixer

3 years old, works great. Paid $600 when new

Denon DN-X500 Pro DJ Mixer Features:
Matrix input assignment: 8 input sources are freely assignable to any channel or even multiple channels
8 line/2 phono switchable
4 smooth 60mm VCA channel faders
Responsive 45mm VCA crossfader with contour adjust
Independent channel PFL meters: all input levels can be adjusted in advance to match the gain levels, insuring a smooth transition between fades
Independent 3-band EQ kill (High-Mid-Low)
Independent EQ on/off switch
Booth output assign selector: pre-monitor any channel including Master through the booth
output as you would with your headphones, with volume control
External send/return control: multichannel assignable, effect on/off, effect cueing (pre & post), effect dry/wet knob
Independent channel A-B post switch (crossfader)
Powerful clean headphone output
Fader start (5V pulse): crossfader and channel fader-start trigger is compatible with
all Denon DJ CD/MP3 players
Compact 4U rackspace with recessed rear terminals
Independent 3-band main and aux mic EQ
Independent CUE system (all channels)
Mic talkover function with sensitivity adjustment
Split/cue headphone monitor with PFL metering
Master output -10dB attenuation switch
Master output stereo/mono switch
Record out - RCA/unbalanced
Subwoofer/lighting output with freq. adjust: ideal for powered speakers, powered amp, or even a signal feed for lighting systems

Denon DN-X500 Pro DJ Mixer Specifications:
General
Dimensions: 19"W x 4-2/5"H x 6-9/10"D (482 x 112.5 x 177mm)
Weight: 5.8kg, 13 lbs.
Power supply: AC120 V ±10%, 60 Hz
Power consumption: 27W

Audio Section

Input Level and Impedance:
8-Line-14dBV (200 mV) 50kOhms
2-Phono -50dBV (3.0mV) 50kOhms
Effect (Return) -14dBV (200mV) 50kOhm
Main Mic -54dBV (2.0mV) 10kOhms
Aux Mic -60dBV (1.0mV) 10kOhms

Output Level and Impedance:
Balanced 4dBm (1.23V) 600 ohms
Unbalanced 0dBV (1.0V) 1k ohm
Booth (Balanced) 4dBm (1.23V) 600-ohm load
Rec (RCA) -10dBV (316mV) 1k Ohm
Effect (Send) -14dBV (200mV) 1k Ohm
Subwoofer/Lighting 2dBm (975mV) 600 ohms
Headphone 0dBV (1.0V) 32 ohms

Frequency Response:
Line 20 to 20kHz ±2dB
Phono 20 to 20kHz RIAA ±2dB
Mic 20 to 20kHz ±2dB

Signal to Noise Ratio:
Line 82dB (0dBm, 1kHz, EQ flat)
Phono 75dB (0dBm, 1kHz, EQ flat)
Main Mic 65dB (0dBm, 1kHz, EQ flat)

Total Harmonic Distortion Rate
Line Below 0.05%
Phono Below 0.05%
Crosstalk Over 70dB

Channel Equalizer
Hi +10dB, -35dB (16kHz)
Mid +10dB, -35dB (1kHz)
Low +6dB, -35dB (60Hz)

Microphone Equalizer
Hi +12dB, -12dB (10kHz)
Mid +12dB, -12dB (1kHz)
Low +12dB, -12dB (100Hz)