Welcome to the 4MIX - A fully capable 4-deck DJ controller with integrated audio interface. Direct 4-Deck Control. The 4MIX is a compact USB DJ controller that provides direct access to 4-decks. The mixer area is a familiar 4-channel mixer with 3-band EQ, CUE, volume and a filter knob for each channel. The 12 rubber buttons on each deck provide direct access to Loop, Hot Cue, and Transport controls. The 4Mix has also been configured to use the volume knob and play buttons for direct access to Virtual DJs Sampler feature. Integrated Audio Interface. The low latency integrated audio interface provides not only master and monitoring headphone outputs, but also a booth output with independent volume control. This allows the user to plug the unit directly into a club’s PA system. Virtual DJ LE Included The 4Mix includes the popular Virtual DJ LE software. The included software is fully integrated with the 4Mix to control 4 decks.