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Audio Interfaces

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Results & Compare List:
  1. Price Drop
    Steinberg UR22mkII USB 2.0 Audio Interface
    Your Price $149.99
  2. Price Drop
    Yamaha AG03 3-Channel Mixer/USB Interface For IOS/MAC/PC
    Your Price $139.95
  3. Price Drop
    Tascam US-1X2 Audio & MIDI Interface
    Your Price $89.98
  4. GC Pro Gear
    Focusrite Red 8Pre Audio Interface
    Your Price $3,499.00
  5. Price Drop
    Steinberg UR44 USB Interface
    Your Price $299.99
  6. Price Drop
    Sonuus i2M Musicport MIDI Interface
    Your Price $99.00
  7. Free Gift
    Focusrite Red 16Line Audio Interface
    Your Price $2,999.99
  8. Price Drop
    Avid Fast Track Solo Audio Interface
    Your Price $29.99
    Excellent Condition
    Orlando, FL
  9. Price Drop
    Universal Audio Apollo Twin Solo MKII Audio Interface
    Your Price $499.99
    Excellent Condition
    Twin Cities, MN
  10. Price Drop
    Universal Audio Apollo Twin Duo Audio Interface
    Your Price $399.99
    Excellent Condition
    Greenwood, IN
  11. Price Drop
    Universal Audio Apollo Twin Duo MKII Audio Interface
    Your Price $499.99
    Excellent Condition
    Southington, CT
  12. Price Drop
    Avid HD Native Thunderbolt Audio Interface
    Your Price $749.99
    Excellent Condition
    Warwick, RI
  13. Price Drop
    Apogee Symphony I/O 8x8 Audio Interface
    Your Price $2,229.99
    Excellent Condition
    Manhattan, NY
  14. Price Drop
    Universal Audio Apollo Twin Quad MKII Audio Interface
    Your Price $799.99
    Excellent Condition
    Flint, MI
  15. Price Drop
    Focusrite Clarett 8Pre Thunderbolt Audio Interface
    Your Price $649.99
    Excellent Condition
    Houston, TX
  16. Price Drop
    Focusrite Clarett 2Pre Audio Interface
    Your Price $299.99
    Excellent Condition
    Mcallen, TX
  17. Price Drop
    Tascam US-2000 Audio Interface
    Your Price $179.99
    Excellent Condition
    Round Rock, TX
  18. Price Drop
    Universal Audio Apollo 8 With Quad Processing Audio Interface
    Your Price $1,299.99
    Excellent Condition
    Fountain Valley, CA
  19. Price Drop
    IK Multimedia 2019 IRig Audio Interface
    Your Price $39.99
    Excellent Condition
    Gainesville, FL
  20. Price Drop
    Focusrite CLARETT8PRE Audio Interface
    Your Price $679.99
    Excellent Condition
    Yonkers at Ridge Hill, NY
  21. Price Drop
    Universal Audio Apollo 16 Audio Interface
    Your Price $1,719.99
    Excellent Condition
    Clearlake, TX
  22. Price Drop
    Universal Audio Apollo Twin Solo Audio Interface
    Your Price $449.99
    Excellent Condition
    Beaverton, OR
  23. Price Drop
    Antelope Audio DISCRETE Audio Interface
    Your Price $824.99
    Excellent Condition
    South Bay, CA
  24. Price Drop
    Presonus Studio 192 Mobile Audio Interface
    Your Price $269.99
    Excellent Condition
    Glen Burnie, MD
  25. Price Drop
    Antelope Audio Orion Studio Audio Interface
    Your Price $1,599.99
    Excellent Condition
    Rockford, IL
  26. Price Drop
    Universal Audio UAD-2 SATELLITE THUNDERBOLT Audio Interface
    Your Price $549.99
    Excellent Condition
    Mayfield, OH
  27. Price Drop
    RME Babyface Audio Interface
    Your Price $479.99
    Excellent Condition
    Mcallen, TX
  28. Price Drop
    Antelope Audio Orion Plus Audio Interface
    Your Price $1,699.99
    Excellent Condition
    Clackamas, OR
  29. Price Drop
    Universal Audio Apollo Arrow Audio Interface
    Your Price $329.99
    Excellent Condition
    Dublin, CA
  30. Price Drop
    Universal Audio Apollo 8 With Quad Processing Audio Interface
    Your Price $1,329.99
    Excellent Condition
    Independence, MO
Showing 1-30 of 123 
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When you come right down to it, an audio interface is anything that lets you get audio signals in and out of your computer. The challenge in picking one is that there are so many ways of getting it done, and it will all depend on how you like to work and what you're trying to do. A very basic interface would be simply a box that converted analog audio to digital audio that the recording software in your computer can understand, and convert it back to analog audio when you want to hear it. Such converters are referred to as AD/DA (analog to digital/digital to analog) converters. Better quality converters have what's called "jitter correction" to compensate for small timing variations.

Most interfaces are far more than just converter boxes. They include mic preamps, multiple I/O (Input/Output) connections—balanced, unbalanced and digital—and even internal DSP (Digital Signal Processing) for effects, EQ and basic monitor or sub-mixing user. Some units can even act as a simple, stand-alone mixer without a computer attached for use as a basic live sound mixer.

One of the biggest determinants of overall audio quality in an audio interface is the quality of opamps (operational amplifiers) used in construction. Better systems will use lower-noise, lower-distortion components, or in some cases, discrete components rather than single-chip solutions. The number of I/O connections can be a deciding factor. The basic interfaces will be 2-in/2-out, able to handle a vocal and instrument together or a stereo pair of mics for capturing a live event. From there, you can expand as far as you need, depending on what you want to invest in your system. Interfaces with 18 inputs and 22 outputs are not uncommon and will handle most users needs, but you can go far larger with a full-blown Pro Tools HD rig, if that's what is required.

The final consideration is connectivity. There are multiple ways of connecting an audio interface to your computer—USB, FireWire, a PCI slot for desktop systems or Apple's Thunderbolt connection on newer Macintosh computers—all of which have different strengths and weaknesses. USB interfaces tend to be smaller, with most mobile interfaces using USB connections, but can be less robust when you need a lot of simultaneous ins and outs. FireWire, also called IEEE 1394, is fast and robust, but generally requires an external power supply. PCI cards are the fastest with the most bandwidth, but are tied to tower and desktop systems, so will be confined to a single studio location. Some of the more popular brands for interfaces are Akai, Apogee, Avid, Focusrite, M-Audio, MOTU, Presonus, Roland, Tascam and Yamaha, though there are many others. The best interface is the one you're going to use, so spend some time with the Pro Audio specialists at Guitar Center so they can help you find exactly the right one.

In addition to the mainstream audio interfaces described above, our GC Pro team of experts offers hands-on sales and support for professional solutions such as Avid HDX Systems and the Focusrite Rednet series. These solutions are typically used in recording studios, post facilities and other professional settings.

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