The Computer Audio Interface Guide

This guide covers computer audio interfaces (sometimes referred to as "I/O"s or "breakout boxes") for PC or Mac. These provide audio input, output and additional features which improve upon any built-in audio jack. This guide does not cover internal PCI cards, just external connectors (USB, FireWire etc). See the bottom of this page for an intro to the terminology and trends.

(Sort by clicking a header. Filter by selecting a port. 238 interfaces match current criteria.)

FireWire 400 (97)       |      FireWire 800 (9)       |      mLAN (8)       |      USB 1 (121)       |      USB 2 (24)
Make Model Port Mic Pres Bit/Sample Rate List Price Shop New Shop Used Notessort icon Details
Ego Systems (ESI) Waveterminal U24 USB 1 24bit/48.0k $249.00

2in-2-out analog (1/4" - unbalanced), headphone amp, S/PDIF coaxial & optical digital I/O with digital format and sample rate...

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Ego Systems (ESI) Waveterminal U2A USB 1 24bit/48.0k $249.00

2in-2-out analog, S/PDIF coaxial & optical digital I/O with sample rate conversion.

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Behringer B-Control BCA2000 USB 2 2 24bit/96.0k $259.00 Shop New

3 analog inputs (XLR mic, 1/4"), 6 analog out (2 1/4", 4 RCA) optical S/PDIF i/o, ADAT i/o, MIDI i/o, 100mm faders, headphone out

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Edirol PCR-A30 USB 1 24bit/96.0k $395.00 Shop New

32-key MIDI keyboard with 2 1/4" analog inputs, 2 RCA outputs, optical out, MIDI i/o, mini speakers, USB power. Branded as "Edirol by...

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MOTU MicroBook USB 2 1 24bit/48.0k $269.00 Shop New

4 analog in (1 Mic TRS with included adapter to XLR, 1 instrument 1/4", 2 more inputs on either 2 TRS or 1 mini stereo 1/8"), 4 analog...

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M-Audio FireWire Solo FireWire 400 24bit/96.0k $249.00 Shop New

4 analog in (1 XLR mic input, 1 TRS instrument, 2 TRS line), 2 analog out (TRS), S/PDIF digital I/O, headphone output.

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Lexicon Omega USB 1 2 24bit/48.0k $450.00 Shop New

4 analog in (1/4" TRS), 2 inserts, S/PDIF i/o, MIDI i/o, headphone out, Pro Tracks Plus software, Pantheon reverb plug-in.

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TC Electronic Konnekt 24D FireWire 400 2 24bit/192.0k $495.00 Shop New

4 analog in (2 combo XLR/TRS or 4 TRS), 4 analog out (TRS), ADAT I/O, S/PDIF I/O, built-in effects, multiple units can be networked, bus...

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Edirol FA-66 FireWire 400 2 24bit/192.0k $499.00 Shop New

4 analog in (2 mic XLR/TRS combo, 2 RCA), 4 analog output (1/4" TRS +4dBu), SPDIF optical i/o, MIDI i/o, soft limiter, headphone out,...

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Digidesign Mbox 2 Pro Factory FireWire 400 2 24bit/96.0k $899.00 Shop New

4 analog in (2 XLR/TRS combo, 2 TRS), 6 analog out (4 TRS, 2 unbalanced insert jack), phono preamp (dedicated RCA), S/PDIF i/o, MIDI i/o...

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Digidesign Mbox 2 Pro FireWire 400 2 24bit/96.0k $799.00 Shop New

4 analog in (2 XLR/TRS combo, 2 TRS), 6 analog out (4 TRS, 2 unbalanced insert jack), phono preamp (dedicated RCA), S/PDIF i/o, MIDI i/o...

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Presonus Inspire 1394 FireWire 400 2 24bit/96.0k $299.00 Shop New

4 analog input (2 XLR mic, 2 1/4" TS instrument, 2 RCA), phono preamp, 2 analog output (2 RCA, 1/8" stereo), headphone out, Low Latency...

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Presonus Firebox FireWire 400 2 24bit/96.0k $499.00 Shop New

4 analog input (2 XLR/TRS combo, 2 TRS), 6 analog output (6 TRS), S/PDIF I/O (DB9), MIDI I/O (DB9), headphone out, can daisychain...

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Ego Systems (ESI) Quata-Fire XL FireWire 400 2 24bit/192.0k $499.00

4 channel 96 kHz analog input (2 XLR/TRS combo, 2 RCA), 8 channel 192 kHz analog output (2 XLR, 2 RCA, 2 TRS stereo), headphone amp, S/...

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Ego Systems (ESI) Quata-Fire 610 FireWire 400 2 24bit/192.0k $499.00

4 channel 96 kHz analog input (2 XLR/TRS combo, 2 RCA), 8 channel 192 kHz analog output (4 RCA, 2 TRS stereo), headphone amp, S/PDIF...

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Alesis IO|14 FireWire 400 2 24bit/192.0k $499.00 Shop New

4 channel analog input (XLR/TRS combo), 2 channel output (TRS), 8 ch ADAT input, S/PDIF I/O, MIDI I/O, inserts, headphone out. Includes...

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Ego Systems (ESI) Aqua U24M USB 1 2 24bit

4 channel i/o analog, headphone amp, S/PDIF coaxial digital I/O, MIDI.

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M-Audio OmniStudio USB USB 1 2 24bit/96.0k $599.00 Shop New

4 I/O, integrated mixer, MIDI I/O, 2 headphone out, effects s/r.

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M-Audio FireWire 410 FireWire 400 2 24bit/192.0k $499.00 Shop New

4 in, 10 out, S/PDIF, MIDI I/O, 2 headphone outs. More details in...

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M-Audio AudioSport Quattro USB 1 $350.00

4 in, 4, out, MIDI i/o, comes with Logic Delta software. Expandable via the...

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