Numark N4 4-Channel DJ Computer: * 4-deck controller with built-in DJ mixer that works with or without the computer * Integrated DJ mixer allows you to connect 2 external sources plus two microphones * Built-in professional USB audio interface with balanced XLR outputs * Large touch-sensitive control wheels * High-resolution 14-bit MIDI provides ultra-tight control and response * Serato DJ Intro software included * 4-deck version of VirtualDJ LE Audio/Video/Karaoke Software included * Mixer section with EQ, loop and effects controls * Premapped for Traktor Pro * Dedicated video controls