The Hercules DJ Console MK4 is a dual-deck, all-in-one mixing station that"s built for mobile computer DJs with its compact, lightweight design and an included transport cover and shoulder strap. The Hercules DJ mixer features a 2-deck controller for mixing audio tracks, plus four stereo outputs: 2 for including turntables, MP3, or CD players in your mix and 2 for playing the mix for your audience while previewing the next track. Some of the cool controls found on the Hercules DJ Mixing Console MK4 are its 2 jog wheel for navigating within tracks, a cross fader and 2 volume faders for mixing 2 tracks, 2 pitch encoder knobs for changing the music"s speed, and 6 EQ potentiometers. The Hercules MK4 DJ mixer has a host of user-friendly features such as: VirtualDJ DJC Edition software for Windows or Mac (check specifications) that analyzes the audio and suggests a cue point; pitch encoder knobs and sync buttons that synchronize tracks; auto-looping on 1, 2, 4, or 8 beats; and the ability to add effects to customize the music, record your mixes as audio files, and give your DJ console killer looks by applying the included graphic skin under the controller"s transparent plate.All-in-one mixing station for mobile computer DJs: 2-deck controller to mix digital audio tracks 2 stereo outputs to play the mix for the audience and preview next track 2 stereo inputs to include turntables, MP3, or CD players in your mix Built for mobile DJing: compact, lightweight, with transport cover and shoulder strap 2-Deck DJ controller: Mix 2 music tracks with the Hercules DJ Mixing Console MK4"s controls: 2 jog wheels to navigate within tracks 1 cross fader and 2 volume faders to mix 2 tracks 2 pitch encoders (knobs) to change the speed of the music 6 EQ potentiometers User-friendly features: The DJ software suggests a cue point in the audio file analysis Synchronize tracks using pitch encoders and/or sync buttons Automatic loops on 1, 2, 4, or 8 beats Add effects to customize your music Record your mixes as audio files Customize your console by placing the included graphic skin underneath the transparent plate on top of the controller