The CORE MIX-2USB is a professional 2 channel analogue DJ mixer. It has 4 analogue inputs and 2 independent USB audio interfaces. This makes it easy to connect your laptop and route the output of your DJ software directly through the MIX-2 USB. The headphone output has a low tone control which makes it possible to adjust your favorite sound. Both channel and cross-faders have fader curve selections. All the pot meters are locked below the surface for extra stability and it has a separate fader print board for easy maintenance. It has a MP3 module which can record and playback your life performance directly on an USB or SD device. Specifications Inputs channels: 1 x Microphone, combi XLR/Jack 4x Line, RCA 1x Phono, RCA 2 x USB, type B Output channels: 1 x Record, RCA 1 x Master unbalanced, RCA 1 x Master balanced, XLR 1 x Headphones, 6,3mm Jack 2 x USB, type B USB Port: Audio in- and output interface for PC and Mac, 48 KHz, 16 bit Channel EQ range: -26dB / 12dB Microphone EQ range: -12dB / 12dB Frequency response: 20Hz -20Khz T.H.D: <0.1% MP3 Module: 128Kbit 44.1 Khz, Max 16GB Dimensions: 240 x 300 x 88 (WxDxH) Power supply: 100-240V AC, 50/60Hz Power consumption: 8 Watt Weight: 3.4 Kg.