Professional, 7-channel, ultra-low noise DJ mixer; 45mm crossfader with adjustable curve; Built-in USB interface for recording and playback of any digital music file.5 dual stereo inputs plus 2 mono mic/line channels with mic preamps and gain control; Long-wearing 100mm faders and sealed rotary controls on all input channels; Headphone output with level and balance (PFL/Main) controls and switchable split mode.Main Out, Sub Out, 2 Zone outputs for secondary room/area; Golden terminals; DJ Software: Traktor 3 LE & Deckadance LE included The DJ-Tech DX 3000 USB Professional 7-Channel USB DJ Mixer is packed with plenty of line, turntable and microphone inputs, making it well suited for fixed installation in nightclubs, lounges, bars and mobile DJ applications alike. The 7-channel layout features 3x turntable and line input channels, 2x dedicated line input channels and 2x dedicated microphone inputs over XLR-1/4" phone combi-connections. All channels feature 100mm long-wearing faders, and the 45mm crossfader features an adjustable curve control. The DX 3000's USB port connects the mixer to a Mac or Windows OS computer for digital recording and playback. In addition, the mixer includes both Traktor 3 LE and Dekadance LE DJ software. The output section features balanced and unbalanced main outputs, a dedicated subwoofer output record output and zone A and zone B outputs.