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Apogee Symphony I/O MKII Thunderbolt Chassis with 16x16 Module

16 Analog In + 16 Analog Out


Featuring Apogee's award winning AD/DA conversion, Apogee Symphony I/O is a premium grade multi-platform, multi-channel Audio Interface with connectivity for Thunderbolt, Pro Tools HD (for Mac & PC) and Waves SoundGrid.

Symphony I/O’s audio path design is elegant and efficient, incorporating the most advanced opamps that offer better performance than multiple parts used in previous designs.

Modular I/O design, total software control, and direct connection to all popular DAWs make Symphony I/O a long-term sound investment.

Front Panel Touchscreen with Comprehensive Control

The Symphony I/O Mk II Features a touchscreen on the front panel, where you can access all your essential input and output settings. Change your input selection, monitoring levels, mic pre gain or calibrate your Symphony I/O Mk II to match the levels of the other analog gear in your system.

The Screen utilises a high-resolution TFT display which delivers clear visual feedback that's  critical for recording and monitoring. You're not bound to looking at your computer when in the middle of a tracking session as the Symphony I/O Mk II lets you see metering for up to 64 channels of I/O, 32 IN x 32 OUT – signal levels, polarity, muting, phantom power and Soft Limit.


  • Best AD/DA conversion of any Thunderbolt™ audio interface
  • Up to 32 channels of modular analog I/O with optional 8 mic preamps
  • Best per-channel value of any interface in its category
  • Choice of Thunderbolt, Pro Tools® HD (Mac/PC) or Waves SoundGrid® connectivity*
  • Ultra-low latency performance
  • Intuitive touchscreen display and front panel control
  • Option card slot for future platform flexibility
  • Designed in California, Built in the U.S.A.

The 16x16 Module Thunderbolt Setup

 The I/O Modules are the sound and soul of Symphony I/O Mk II, and represent 30 years of Apogee R&D and design excellence. These powerful Modules deliver Apogee’s core competency: superior sounding digital audio recording.

This setup offers a Thunderbolt Chassis with the 16x16 module included; 16 balanced inputs and 16 balanced analogue outputs, both on DSUB 25-pin connectors. You also get plenty of connectivity to plug to the rest of your setup; This includes AES, Optical and Coaxial S/PDIF.

Analog Inputs

  • 16 balanced inputs on 1 DSUB 25-pin connector 

Digital Inputs

  • *AES-EBU IN: 8 inputs on 1 DSUB 25-pin connector
  • *Optical IN: Supports ADAT, SMUX & S/PDIF
          ADAT: 8 channels 44.1-48 kHz on 1 Toslink connector
          SMUX: 8 channels 88.2-96 kHz on 2 Toslink connectors
          S/PDIF: 2 channels, up to 96 kHz on 1 Toslink connector
  • Coax IN: 2 channels of S/PDIF, up to 192 kHz

*Dig I/O hardware switch selects AES or Optical digital I/O format

Analog Outputs

  • 16 balanced outputs on 1 DSUB 25-pin connector

Digital Outputs

  • *AES-EBU OUT: 8 outputs on 1 DSUB 25-pin connector
  • *Optical OUT: Supports ADAT, SMUX & S/PDIF
          ADAT: 8 channels 44.1-48 kHz on 1 Toslink connector
          SMUX: 8 channels 88.2-96 kHz on 2 Toslink connectors
          S/PDIF: 2 channels, up to 96 kHz on 1 Toslink connector
  • Coax OUT: 2 channels of S/PDIF, up to 192 kHz
Inc. VAT

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