-Computer Connectivity USB 3.0
-Form Factor Rackmount
-Simultaneous I/O 20 x 20
-Number of Preamps 8
-Phantom Power Yes
-A/D Resolution 24-bit/192kHz
-Built In DSP/FX Yes, EQ and Compression
-Analog Inputs 8 x XLR-1/4″ combo (2 Mic/Instrument, 6 Mic/Line), 2 x 1/4″ TRS
-Analog Outputs 10 x 1/4″ TRS, 2 x 1/4″ (headphones)
-Digital Inputs 1 x Coax (S/PDIF), 1 x Optical (S/MUX)
-Digital Outputs 1 x Coax (S/PDIF), 1 x Optical (S/MUX)
-MIDI I/O In/Out
-Clock I/O In, Thru/Out
-Rack Spaces 1U

http://tascam.com/content/downloads/products/884/e_us-20x20_rm_vc.pdf