Allen & Heath Xone 23C DJ Mixer, 2 dual stereo channels, 2 phono inputs, 2 line inputs, microphone input  with XLR, Mix Out, Booth Out and Record Out, Double Headphone output (6.3 mm / 3.5 mm), FX loop (send / Return), 3-band total kill EQ, Xone filter system with highpass / lowpass and adjustable resonance, Integrated USB2.0 sound card with 24-bit / 96 kHz, Integrated X-Link interface for connecting K-series controllers, double headphone output (6.3 mm / 3.5 mm)