Microphone preamplifier, FireWire, 4 channels, low cut, phantom 48VDC, sample frequency 44.1kHz - 192kHz, AES/EBU, ADAT, S/PDIF, 1Ux194mm/2.5kg • Premium FireWire-based studio recording preamp/audio interface • 4 flagship Onyx mic preamps with class-leading fidelity and dynamic range • Superb AKM® 24-bit/192kHz A/D and D/A converters • Internal 64-bit floating point processing for superior sound and minimal CPU drain • 10 x 10 DSP Matrix Mixer with powerful software interface and flexible, recallable routing • Onboard DSP provides custom Control Room / Headphone mixes at near-zero latency • Stand-alone operation: DSP mixer retains settings even when the computer is not connected • No channel count sacrifices, even at 192kHz sampling rate • 4 additional balanced line inputs; 8 balanced line outputs • TRS inserts on Inputs 1, 2, 3, and 4 • Control Room and Dual Headphone Outputs with independent level controls • Dual FireWire ports for daisy-chaining and direct connection to Mac or PC • MIDI, Word Clock, and S/PDIF I/O • Includes Tracktion 2 Audio Production software and plug-in bundle