Audio Interfaces

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Results 1-40 of 541

  1. Focusrite Scarlett Solo Audio Interface
    $5499.00
    Excellent Condition
    Brooklyn, NY
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  2. Presonus Audiobox 22VSL Audio Interface
    $5499.00
    Good Condition
    Plano, TX
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  3. Presonus Audiobox USB Audio Interface
    $4999.00
    Good Condition
    Queens, NY
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  4. Presonus Faderport Audio Interface
    $5499.00
    Excellent Condition
    Memphis, TN
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  1. RME FIREFACE UFX Audio Interface
    $1,64999.00
    Excellent Condition
    Arlington Heights, IL
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  2. Universal Audio Apollo Twin Duo Audio Interface
    $59999.00
    Excellent Condition
    Somerville Circle, NJ
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  3. M-Audio M-track PLUS Audio Interface
    $6999.00
    Great Condition
    Arlington Heights, IL
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  4. Focusrite Scarlett 18i20 Audio Interface
    $29999.00
    Excellent Condition
    Greenwood, IN
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  1. Universal Audio SATELLITE QUAD CORE FIREWIRE Audio Interface
    $39999.00
    Great Condition
    Nashville, TN
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  2. Presonus Audiobox 44VSL Audio Interface
    $12999.00
    Excellent Condition
    Atlanta, GA
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  3. Focusrite Octopre MKII Dynamic Audio Interface
    $34999.00
    Good Condition
    Salem, OR
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  4. Tascam US 2X2 Audio Interface
    $6999.00
    Great Condition
    Southfield, MI
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  1. Apogee Duet 2 Audio Interface
    $44999.00
    Excellent Condition
    Atlanta, GA
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  2. Tascam US-1800 Audio Interface
    $28999.00
    Great Condition
    Macon, GA
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  3. Avid Eleven Rack Audio Interface
    $32999.00
    Excellent Condition
    Avondale, AZ
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  4. Presonus Audiobox 2x2 Audio Interface
    $5999.00
    Excellent Condition
    Fayetteville, GA
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  1. Focusrite Saffire Pro 14 Audio Interface
    $7999.00
    Good Condition
    Canton, MI
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  2. Presonus Audiobox Usb Audio Interface
    $4999.00
    Great Condition
    Southfield, MI
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  3. Focusrite Scarlett Solo Audio Interface
    $5999.00
    Great Condition
    Scranton, PA
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  4. Presonus FIRESTUDIO Audio Interface
    $24999.00
    Good Condition
    Yonkers at Ridge Hill, NY
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  1. Open Box
    MOTU UltraLite-mk4 Audio Interface
    Open Box:
    $523.60
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  2. MOTU 828MK3 Hybrid Audio Interface
    $28999.00
    Great Condition
    Cedar Rapids, IA
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  3. Presonus Audiobox USB Audio Interface
    $3999.00
    Good Condition
    Dayton, OH
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  4. Presonus Audiobox USB Audio Interface
    $4999.00
    Good Condition
    Danbury, CT
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  1. MOTU UltraLite MK3 Hybrid Audio Interface
    $29999.00
    Great Condition
    Katy, TX
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  2. Focusrite Saffire Pro 24 Audio Interface
    $16999.00
    Great Condition
    Katy, TX
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  3. M-Audio M-track Mk2 Audio Interface
    $4999.00
    Great Condition
    Atlantic City, NJ
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  4. Focusrite ITrack Solo Audio Interface
    $5999.00
    Great Condition
    Beaumont, TX
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  1. Blue Icicle Audio Interface
    $2699.00
    Great Condition
    Fairview Heights, IL
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  2. Mackie ONYX BLACKJACK USB Audio Interface
    $8999.00
    Excellent Condition
    Allentown, PA
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  3. M-Audio Profire 610 Audio Interface
    $7999.00
    Good Condition
    Brownsville, TX
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  4. Steinberg UR22 MKII Audio Interface
    $7999.00
    Great Condition
    Katy, TX
    Compare Compare Now
  1. Icon Qcon Pro Audio Interface
    $39999.00
    Excellent Condition
    Nashville, TN
    Compare Compare Now
  2. Presonus Audiobox Audio Interface
    $4999.00
    Great Condition
    Fredericksburg, VA
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  3. Focusrite Scarlett 2i2 USB Audio Interface
    $8999.00
    Great Condition
    Orange, CT
    Compare Compare Now
  4. Line 6 Sonic Port VX Audio Interface
    $9999.00
    Great Condition
    Lewisville, TX
    Compare Compare Now
  1. Focusrite Scarlett Solo Audio Interface
    $5999.00
    Great Condition
    Florence, KY
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  2. Focusrite Scarlett 2i2 USB Audio Interface
    $7999.00
    Great Condition
    Scranton, PA
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  3. Apogee Mini-me Audio Interface
    $29999.00
    Great Condition
    Harrisburg, PA
    Compare Compare Now
  4. Presonus FIRESTUDIO MOBILE Audio Interface
    $7999.00
    Great Condition
    Asheville, NC
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Results 1-40 of 541

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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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