M-Audio MIDIman FireWire 18/14 18-in, 14-out Musical Instrument MIDI Interface 8 x 4 24-bit/96kHz analog I/O (1/4? TS) or 2 x 4 24-bit/192kHz analog I/O 8 x 8 ADAT Lightpipe I/O with S/MUX support for 4-channel 96kHz operation Digital S/PDIF (optical/coaxial) I/O w/ 2-channel PCM Digital out supports pass-through of AC-3/DTS surround-encoded content Dual mic/instrument preamps (Neutrik XLR/ 1/4? TS) with input level controls, 20dB pad, phantom power and signal LEDs