Denon DN-X1500s 4 channel DJ mixer with effects and independent aux send/return. It's in excellent shape, and works 100 percent. Only gigged with a few times, and was always in a hard mixer case.

$350.

Quick Specs from Denon:

Metallic Silver Faceplate
Matrix Input (route any input to any channel!)
3-band EQ (On/Off Switchable) with parametric frequency adjustment.
High Performance Flex Fader with Tension Adjustment
Huge Headroom. No Distortion
8 Second Sampler
9 Internal Digital Effects
Cross Fader / Channel Start
D.S.P. by Analog Devices
Headphone Output selector (Split Cue)