4-channel mixer, compact but complete.All the 4 channels of the feature gain control, 3-band EQ and LED level meter. Various sources like Line, Turntables (Phono), Microphone and USB audio can be connected to the unit and assigned to channel. The balanced XLR master outputs, RCA master outputs, booth outputs and record outputs fit you in for all kind of setup. USB Connection, DJ Software included. The features a USB audio interface that can be used for playing audio from or recording audio to your computer.Install the 2 included famous DJ software Deckadnace LE and Traktor 3 LE and enjoy computer Djing with real analog DJ Mixer!Serious built, great mixer.The is built with rugged and stiff metal housing.All knobs and faders are strong and reliable.The is definitely the best 4-channel mixer for its price!Incredible value for Money: an USB MIXER at that price point!Four input channels, each with gain, three-band EQ, and LED metering.USB Computer connection for playing and recording with MAC or PC.Master, Booth and Record RCA line.Play music from music-player software.Record your mix to your computer.Multiple Photo, Line, and Mic inputs.Balanced XLR Outputs - Golden Terminal.