Epsilon Pro-Mix2 (White) Ultra-compact 2-Deck Professional MIDI/USB DJ Controller EPSILON PRO-MIX2 MIDI USB DJ Controller+Virtual DJ Software w/Soundcard - White. 2 Deck Digital DJ Midi Controller. Built-in Soundcard Interface / ASIO4ALL. Rotary Effect Select & Parametter Adjustment Knobs. 4 Hot Cues & Sample Pads, Sample Screen ON / OFF pad. Large 110 mm touch sensitive jog wheels for scratch effects. Adjustable touch wheel sensitivity control & Scratch On / Off button. Reverse & Bleep, Key Lock, Pitch Slider, Pitch Bend. Beat Loop X  or X 2, Reloop & Seamless Looping. Effect Parameter Adjustment Knobs. Play/Pause, Cue, & Sync Functions. Effect On & Off Knob, Effect Select Knob. Master output level & Gain control knobs. Dual Master Outputs; Balanced 1/4" & RCA Master Outputs. Centered Filter knob for Low & High Frequency for each channel. Separate EQ (HI, MID, LOW) for each channel. 100% Kill features on EQ for (HI, MID, LOW) for each channel. Aluminum Knobs; Track Knob, Music Control Knobs and Effect Knobs. Compatible with all DJ MIDI software. Power: USB power via USB connection to computer. Sampling Frequency: 44.1 KHz. Audio Resolution: 16 Bit. Output Level: 1.2V+-0.2V. Soundcard: 4IN / 4OUT. THD+N: 80dB. Crosstalk: &gt;80dB. Product Dimension: 14.76" W x 11.5" D x 2.2" H (375mm x 294mm x 56mm). Product weight: 3.5lbs (1.62KG).