Audio Interfaces

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Results 1-40 of 561

  1. Steinberg UR22 Audio Interface
    $6999.00
    Good Condition
    Villa Park, IL
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  2. Focusrite Scarlett 2i2 USB Audio Interface
    $7499.00
    Good Condition
    Dallas, TX
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  3. Presonus AUDIOBOX 44VSL Audio Interface
    $14099.00
    Great Condition
    Killeen, TX
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  4. Focusrite Scarlett 18i20 Audio Interface
    $27999.00
    Great Condition
    Times Square, NY
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  1. Focusrite Liquid Saffire 56 Audio Interface
    $44999.00
    Excellent Condition
    Atlanta, GA
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  2. Focusrite Scarlett 18i20 Audio Interface
    $34999.00
    Excellent Condition
    Atlanta, GA
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  3. Focusrite 2016 Scarlett 2i2 USB Audio Interface
    $7999.00
    Excellent Condition
    Brooklyn, NY
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  4. MOTU UltraLite Audio Interface
    $27499.00
    Fair Condition
    Brooklyn, NY
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  1. Universal Audio Apollo Twin Duo Audio Interface
    $59999.00
    Great Condition
    Macon, GA
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  2. Presonus Faderport Audio Interface
    $6999.00
    Good Condition
    Cincinnati, OH
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  3. M-Audio M-track Plus Audio Interface
    $7999.00
    Great Condition
    Overland Park, KS
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  4. Akai Professional Eie Pro Audio Interface
    $13999.00
    Good Condition
    Overland Park, KS
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  1. Focusrite Scarlett 6i6 Audio Interface
    $14999.00
    Excellent Condition
    Macon, GA
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  2. Focusrite 2016 Scarlett Solo Audio Interface
    $5999.00
    Excellent Condition
    Toledo, OH
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  3. MOTU 8pre Audio Interface
    $14999.00
    Great Condition
    Bridgeton, MO
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  4. Steinberg UR22 Audio Interface
    $7999.00
    Good Condition
    Des Moines, IA
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  1. Steinberg Ur242 Audio Interface
    $12999.00
    Excellent Condition
    Houston, TX
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  2. Apogee Duet 2 USB Audio Interface
    $47999.00
    Excellent Condition
    Brooklyn, NY
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  3. M-Audio ProFire 610 Audio Interface
    $3499.00
    Great Condition
    Plymouth Meeting, PA
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  4. Presonus FIRESTUDIO Audio Interface
    $24999.00
    Good Condition
    Yonkers at Ridge Hill, NY
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  1. Presonus AUDIOBOX USB Audio Interface
    $5499.00
    Excellent Condition
    Alpharetta, GA
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  2. Roland UA22 DUO CAPTURE Audio Interface
    $9999.00
    Excellent Condition
    Matthews, NC
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  3. Presonus Audiobox USB Audio Interface
    $4999.00
    Great Condition
    Algonquin, IL
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  4. M-Audio Profire 2626 Audio Interface
    $19999.00
    Great Condition
    Naperville, IL
    Compare Compare Now
  1. Focusrite Saffire 6 USB Audio Interface
    $7499.00
    Great Condition
    Macon, GA
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  2. Focusrite Scarlett 2i2 USB Audio Interface
    $7999.00
    Excellent Condition
    Houston, TX
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  3. Focusrite Scarlett Solo Audio Interface
    $5999.00
    Great Condition
    Des Moines, IA
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  4. Universal Audio Apollo Twin Duo Audio Interface
    $59999.00
    Excellent Condition
    Somerville Circle, NJ
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  1. RME FIREFACE UFX Audio Interface
    $1,64999.00
    Excellent Condition
    Arlington Heights, IL
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  2. Presonus Audiobox USB Audio Interface
    $4999.00
    Good Condition
    Queens, NY
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  3. Presonus Audiobox 22VSL Audio Interface
    $5499.00
    Good Condition
    Plano, TX
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  4. M-Audio M-track PLUS Audio Interface
    $6999.00
    Great Condition
    Arlington Heights, IL
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  1. Focusrite Octopre MKII Dynamic Audio Interface
    $34999.00
    Good Condition
    Salem, OR
    Compare Compare Now
  2. Avid Mbox III Mini Audio Interface
    $4999.00
    Great Condition
    Joliet, IL
    Compare Compare Now
  3. Focusrite Saffire Pro 14 Audio Interface
    $7999.00
    Good Condition
    Canton, MI
    Compare Compare Now
  4. Presonus Audiobox 2x2 Audio Interface
    $5999.00
    Excellent Condition
    Fayetteville, GA
    Compare Compare Now
  1. Tascam US-1800 Audio Interface
    $28999.00
    Great Condition
    Macon, GA
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  2. Focusrite Scarlett Solo Audio Interface
    $5999.00
    Great Condition
    Scranton, PA
    Compare Compare Now
  3. Presonus FIRESTUDIO Audio Interface
    $24999.00
    Good Condition
    Yonkers at Ridge Hill, NY
    Compare Compare Now
  4. Apogee Duet 2 Audio Interface
    $44999.00
    Excellent Condition
    Atlanta, GA
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Results 1-40 of 561

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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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