• 18 x 14 FireWire audio interface
• 8 x 24-bit/96kHz analog inputs (1/4” 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

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

line outputs (TRS) 1-4

• frequency response:
  192 kHz: +/- 1 dB, 22Hz – 80kHz
  96kHz: +/- 0.5 dB, 22Hz – 40kHz
  48 kHz: +/- 0.1 dB, 22Hz – 22kHz
• dynamic range: 107dB, A-weighted
• signal-to-noise ratio: -107dB, A-weighted
• THD+N: <0.00301% (-90.5 dB)
• crosstalk: -106dB @ 1 kHz
• nominal output level: +4dBu balanced, -10dBV unbalanced
• maximum output level: +10.2dBu balanced, typical; +2.0dBVunbalanced, typical
• output impedance: 150 Ohm
• load impedance: 600 Ohm minimum

Mic/inst. inputs (balanced) 1-2
at minimum gain

• frequency response: +/- 0.1 dB, 22 Hz to 22 kHz
• dynamic range: 105dB, A-weighted
• signal-to-noise ratio: -105dB, A-weighted
• THD+N: <0.00281% (-91dB)
• crosstalk: -105 dB @ 1 kHz, -3.8 dBu, typical
• input impedance:
  inst in: 500k Ohms, typical;
  mic in: 1.8k Ohms, typical
• adjustable gain: > 40 dB
• pad: -20 dB
• total gain range: +60 dB

iheadphone outputs at maximum volume
into 32 Ohm load

• frequency response: +/- 1 dB, 22Hz to 22kHz
• power into Ohms: 16 mW into 32 Ohms
• THD+N: <0.04987% (-66.1 dB)
• signal-to-noise ratio: -96 dB, A-weighted
• max output level into 32 Ohms: -3.0dBV, typical
• output impedance: 75 Ohm
• load impedance: 32 to 600 Ohms

word clock

• output: up to 192kHz
• input: up to 96kHz
• pass-through I/O: up to 96kHz
• impedance: 75 Ohms
• analog sampling rates:
  44.1kHz to 192kHz for analog input 1/2 and all analog outputs
  44.1kHz to 96kHz input on channels 3-8
• digital sampling rates (kHz)
  44.1, 48, 88.2, and 96 for coaxial S/PDIF in and out
  44.1 and 48 for optical S/PDIF in & out
  44.1, 48, or 88.2, 96 for ADAT I/O in S/MUX mode