New 20-channel USB audio interfaceThe Xone:4D continues the seamless integration of computer-based digital media into the traditional DJ workspace, but with a further enhanced feature set. Combining a fully featured, high specification professional analogue DJ mixer with 105 MIDI controllers and 227 MIDI messages, a completely new, high-end, 96 kHz / 24-bit 20 channel Allen & Heath-designed USB 2.0 soundcard, the progressive XONE:4D has been developed in conjunction with some of the worlds most cutting-edge DJ/producers.New features for the 4D include the new 20-channel USB 2.0 soundcard, a completely new BPM counter, assignable LFO with step VCF-filter and fresh new paint.Mixer: 4 multi-input stereo channels: RIAA preamps for turntables on 3 inputs, (channel 4 is Line/Line) Soundcard output routing switches for each channel (1-2, 3-4, 5-6 & 7-8) 3-band total kill EQ: 6dB to off 2 FX sends: pre/post selection (internal on FX2) 2 stereo returns Headphone monitor with mix/cue control: 3.5mm and sockets 2 analogue VCF filters low-pass, band-pass, high-pass (can be combined for more filter types), resonance frequency, and filter on switch Filter assignable LFO with depth control and brand-new editable fader step-filter function. Completely re-designed and functionally improved BPM detection circuit. Mic input: On XLR connector; gain control and 2-band EQ control available: routable straight to soundcard. Power supply: High performance internal switch-mode supply RIAA: for THREE turntables (four via internal jumper link) Dual Rail VCA Cross FaderUSB 2.0 SOUNDCARD: Totally new 20 channel 96 kHz / 24-bit soundcard connecting via wide-bandwidth USB 2.0 (480Mbit/s) Uses 24 bit stereo Analogue to Digital converters and Digital to Analogue converters (not lower spec CODECs) 10 in / 10 out (4 stereo in optical in / 4 stereo out optical out) No software configuration utility all front panel switched. Soundcard inputs fed from Mic, FX2, FX1, Main Mix or from stereo channels 1-4 Sends - mix, FX, or individual analogue channels may be routed to PC or digital outputs. New record output FX2 RCA outputs can be switched to a RCA record output. Drivers available for PC and MacMIDI CONTROLLER: NEW! 2 separate layers of MIDI controllers with control pickup algorithm ensuring a smooth transition between layers. 227 MIDI control messages available from 105 separate MIDI controls 8 x 60mm linear faders 16 x detented rotary pots 10 rotary encoders, 50 switches, 2 custom jog wheels with 4 micro switches 8 illuminated push switches Xone:4D is compatible with any PC software that has MIDI assignable functions: for instance, lighting controller or visual effects programsThe Xone:4D ships with mains leads, USB cable, user guide, spare knobs & faders and A&H stickers.