Apogee SIOC-A16X16 Symphony I/O Chassis 16X16

Apogee SIOC-A16X16 Symphony I/O Chassis 16X16

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Apogee Symphony I/O

Professional audio interface for Mac-based Pro Tools, USB and Thunderbolt™ workstation

Apogee Symphony I/O is a modular multi-channel audio interface featuring premium AD/DA conversion and world-class microphone preamps. Designed to deliver professional sound quality for audio recording, mixing and mastering on a Mac, Symphony I/O is the ultimate music production centerpiece for any modern studio.

Legendary Sound Quality

Symphony I/O is the culmination of 25 years of Apogee’s award-winning design experience. Using the most advanced components available, Apogee engineers created an extremely efficient circuit and power design resulting in a significant improvement in audio clarity and transparency over any previous Apogee product.

Input and Output Flexibility

There is a Symphony I/O solution everyone; the home studio, project studio, commercial recording studio and scoring stage. Choose from four base configurations, 2x6, 8x8, 16x16, or 8x8 with 8 mic preamps and easily expand as your studio grows. With two module slots and the capacity for up to 32 inputs and outputs of A/D & D/A conversion per unit, Symphony I/O offers the best per-channel value of any interface in its category.

Complete Compatibility

Connect Symphony I/O to any Apple workstation; MacBook, iMac or Mac Pro via USB, Pro Tools HD, Symphony PCI or Thunderbolt. Symphony I/O is simple to set up and easy to use.

Symphony I/O Highlights:

  • Best sounding Apogee interface ever
  • Best price-per-channel value of any professional audio interface
  • Complete compatibility with Audio Interface Modes (AIM):
  • Symphony/Thunderbolt™ (connect to Symphony 64 | ThunderBridge or Symphony 64 PCIe card)
  • Pro Tools HD (connect directly to any Pro Tools PCIe card)
  • USB (connect to high-speed USB 2.0 port)
  • StandAlone (Analog inputs routed directly to Digital outputs)
  • Expand with 5 available I/O Modules and 8 channel mic preamp module
  • Up to 32 channels of simultaneous analog and digital I/O per unit
  • Ultra-low latency performance
  • Future-proof modular architecture
  • Symphony I/O works with any Core Audio compatible application including: Logic, Pro Tools 9 and 10, Final Cut. Ableton Live
  • Designed in California, Made in the U.S.A.

Apogee Symphony I/O 16x16 ThunderBridge System


  • Symphony 64|ThunderBridge
  • Performance: 44.1kHz - 192kHz
  • Computer: Mac Pro/Intel
  • Operating System: Mac OS 10.6.8, 10.7.4 or greater
  • Control: Maestro over USB


  • Logic Pro
  • Pro Tools 9 or greater
  • Ableton Live
  • Cubase
  • Digital Performer
  • Any Core Audio application


  • Analog Inputs
  • 16 balanced inputs, 2 DSUB 25-pin connectors
  • Connect microphones via external mic preamps
  • Connect guitars via DI boxes or external mic preamps
  • Connect keyboards directly to Symphony I/O
  • Digital Inputs
  • Coax IN: S/PDIF on 1 RCA connector
  • Recommended Cables
  • Analog IN: AD8-IFC
  • Analog Outputs
  • 16 balanced outputs, 2 DSUB 25-pin connectors
  • Digital Outputs
  • Coax OUT: Supports SPDIF on 1 RCA connector
  • Recommended Cables
  • Analog OUT: DA8-IFC

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