USB3.0 Audio MIDI Interface with Mic Pre/Mixer Tascam US-20X20 USB 3.0 Audio Interface Celesonic US-20x20 20-in/20-out USB 3.0 Interface with Mic Pre and Digital Mixer Modes TASCAM’ Celesonic US-20x20 packs 20 channels of analog and digital I/O into a single rackspace with great sounding preamps and USB 3.0/2.0 connectivity. Eight Ultra-HDDA microphone preamps provide 56dB of gain and high headroom to make microphones sound their best. Up to ten channels of digital I/O are included on ADAT and S/PDIF connectors, with word clock also provided for use with external clocks like TASCAM’s CG-1000. MIDI I/O allows use with controllers and synthesizers, and sample rates up to 192kHz/24-bit are supported. Tascam US-20X20 USB 3.0 Audio Interface, USB3.0 Audio MIDI Interface with Mic Pre/Mixer, TASCAM' Celesonic US-20x20 packs 20 channels of analog and digital I/O into a single, TASCAM Celesonic US-20x20 USB 3.0 Audio Interface , TASCAM Audio Interface, Tascam US-20x20 USB 3.0 Audio/MIDI Interface with Microphone Preamp/Mixer