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Universal Audio
Apollo Interface w/ QUAD Processing Firewire (Mac/Win)

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Item: UniversalAudio-Apollo-Firewire-Quad

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Apollo Interface w/ QUAD Processing Firewire (Mac/Win)
Apollo Interface w/ QUAD Processing Firewire (Mac/Win) Apollo Interface w/ QUAD Processing Firewire (Mac/Win)


Apollo FireWire is one of the most popular professional audio interfaces in the world — providing the sound, feel, and flow of true analog recording to music creators everywhere. An ideal centerpiece for studios running original Mac Pro towers and Windows 7 computers, this 18 x 24 FireWire 800-equipped interface has analog design based on UA’s 50-year heritage, along with best in class Apollo A/D and D/A conversion for pristine audio resolution. Apollo FireWire distinguishes itself further with Realtime UAD-2 Processing and Unison™ technology, allowing users record with near-zero latency through the whole range of UAD plug-ins from Neve, Manley, Studer, Lexicon, and more — including new mic preamp emulations from API, Neve and Universal Audio.*

Designed to play a pivotal role in studios running original Mac Pro towers or Windows 7 machines, Apollo FireWire provides an uncompromising approach to audio quality. Building on decades of UA hardware heritage, it offers incredible high-resolution sound, with the lowest THD and highest dynamic range in its class. Apollo FireWire’s four high quality mic preamps and converters mean recordings with stunning accuracy and depth — whether tracking and overdubbing, or mixing and mastering.


  • Sample rates up to 192 kHz at 24-bit word length
  • 18 x 24 simultaneous input/output channels: Eight channels of analog-to-digital conversion via mic, line, or high- impedance inputs
  • 14 channels of digital-to-analog conversion via: Eight mono line outputs, Stereo monitor outputs, Two stereo headphone outputs
  • 10 channels of digital I/O via: Eight channels ADAT Optical I/O with S/MUX for high sample rates, Two channels coaxial 
  • S/PDIF I/O with sample rate conversion, Two FireWire 800 ports for daisy-chaining other FireWire devices

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Microphone Preamplifiers

  • Four high-resolution, ultra-transparent, digitally-controlled analog mic preamps
  • Unison™ technology for deep integration with UAD preamp and pedal plug-ins
  • Front panel and software control of all preamp parameters
  • Switchable low cut filter, 48V phantom power, 20 dB pad, polarity inversion, and stereo linking


  • Stereo monitor outputs (independent of eight line outputs)
  • Digitally-controlled analog monitor outputs maintains highest fidelity
  • Front panel control of monitor levels and muting
  • Two stereo headphone outputs with independent mix buses
  • Independent front panel analog volume controls for headphone outputs
  • Front panel pre-fader metering of monitor bus levels
  • S/PDIF outputs can be set to mirror the monitor outputs

For a complete list of technical specifications visit:

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