American Audio Q-Spand Pro DJ Mixer Preamp Rack Mount 4-Channel Aux 3.5mm Input

American Audio Q-2411 PRO 4-Channel DJ Mixer

American Audio Q-2411Pro 4 Channel DJ Mixer - WORKS

Numark M6USB 4-Channel DJ Mixer, Black/Silver, Tested

American Audio Q-2422 PRO Mixer Preamp Audio Phono Professional Equipment

American DJ CC-5000 4-Channel DJ Mixer Unit Only

RadioShack - 4-Channel USB DJ Mixer - W/Effects - Crossfader - EQ Controls.

Rare American Audio Q-SD RECORD 4 Channel DJ Mixer SD Card Digital Record