Features: 18 x 14 FireWire audio interface 8 x 24-bit/96kHz analog inputs (1/4 1/2 TS) 4 x 24-bit/96kHz analog outputs (1/4" TRS/TS) 2 x 4 24-bit/192kHz analog I/O capability 8 x 8 ADAT Lightpipe I/O Digital S/PDIF (coaxial) I/O w/ 2-channel PCM Digital out also 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; signal LEDs Two independently assignable headphone outputs with individual level controls (1/4" TRS) Flexible software-controlled mixing of hardware and software I/O Aux sends on all channels and aux output assign allows for dedicated headphone mixes and sends to external effects User-assignable front-panel level control (output, input, software return, aux send) Near zero-latency hardware direct monitoring Low-latency ASIO software direct monitoring Momentary switch for A/B cueing two software-assignable headphone sources or switching ASIO monitoring on/off 1 x 1 16-channel MIDI I/O Wordclock (BNC) for sync to external devices Power on/off switch with indicator LED Powered via FireWire bus* or included DC power adapter Two convenient high-bandwidth FireWire ports Rugged steel construction *Requires 6-pin connectionSpecifications:Line Inputs (TS) 1-8 Frequency Response: +/- 0.1 dB, 22Hz to 22kHz Dynamic Range: 105dB, A-weighted Signal-to-noise Ratio: -105dB, A-weighted THD+N: <0.00281% (-91dB) Crosstalk: -107dB @ 1 kHz Nominal Input Level: -10dBV Maximum Input Level: +2.1dBV, typical Input Impedance: 10k Ohms, typical