Apogee Electronics Symphony I/O Mk II 16x16 Special Edition Pro Tools HD Audio Interface

SKU: AES216X16STP MFR: SYM2-16X16SE-PTHD-PLUS
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Key Features

  • Experience pristine audio quality with this Apogee digital audio interface.
  • Achieve ultra-low latency for seamless tracking and mixing in your DAW.
  • Pro Tools HD compatibility ensures smooth integration into your workflow.
  • Capture every nuance with 16x16 analog I/O, perfect for complex recordings.
  • Enjoy high-resolution audio up to 192kHz for professional studio results.
  • Connect with ease using multiple I/O options including DigiLink and S/PDIF.
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Special Order?Estimated to Ship: 08/18/2025
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Apogee Electronics Symphony I/O MkII 16x16SE Specifications

Symphony I/O Mk II Chassis

Symphony I/O Mk II Chassis

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  • Form Factor

    Rackmount

  • Display

    1x TFT Touchscreen

  • Channels of I/O

    None

  • Built-In DSP

    None

  • Maximum Sampling Rate

    192 kHz / 24-Bit

  • Number of Microphone Preamps

    None

  • Built-In Microphone

    None

  • Expansion Slots

    2x I/O Slot

  • Analog Audio I/O

    1x 1/4" TRS Headphone Output

  • Phantom Power

    None

  • Digital Audio I/O

    None

  • Host Connection / USB

    1x DigiLink Mini
    1x USB-B

  • Host Connection Protocol

    Avid Proprietary

  • USB (Non-Host)

    None

  • Sync I/O

    1x BNC Loop Sync Input
    1x BNC Loop Sync Output
    1x BNC Word Clock Input
    1x BNC Word Clock Output

  • Network I/O

    None

  • MIDI I/O

    None

  • Wireless Connectivity

    None

  • Dynamic Range

    1/4" Headphone Outputs: 121 dBA

  • THD+N

    -110 dB (+19 dBu Input, 600-Ohm Load)
    -101 dB (+14 dBu Input, 32-Ohm Load)

  • Sample Rates

    192 kHz

  • Bit Depths

    24-Bit

  • Sync Sources

    None

  • Memory Card Slot

    None

  • OS Compatibility

    macOS
    Windows

  • Included Software

    None

  • Compatible Software (Not Included)

    Any Core Audio (Mac) Compliant Software
    Pro Tools HD 9+

  • Supported Drivers/API & Plug-Ins

    macOS Class-Compliant (No Driver Needed)

  • Mobile App Compatible

    No

  • Power Requirements

    AC/DC Power Adapter (Included)

  • AC Input Power

    90 to 240 VAC, 50 / 60 Hz

  • Power Consumption

    150 W

  • Rackmount Size

    2 RU

  • Dimensions

    With Rack Ears: 19 x 3.5 x 11.5" (48.3 x 8.9 x 29.2cm)

16x16 SE Analog I/O Module

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  • Form Factor

    Internal Card

  • Converter Type

    AD/DA Converter

  • Number of Channels

    16x A/D (at 192 kHz)
    16x D/A (at 192 kHz)

  • Display

    None

  • Maximum Sampling Rate

    192 kHz / 24-Bit

  • Number of Microphone Preamps

    None

  • Expansion Slots

    None

  • Analog Audio I/O

    2x DB-25 25-Pin Balanced Line Input
    2x DB-25 25-Pin Balanced Line Output

  • Phantom Power

    None

  • Digital Audio I/O

    2x RCA Coaxial S/PDIF In/Out

  • Host Connection / USB

    None

  • USB (Non-Host)

    None

  • Sync I/O

    None

  • Network I/O

    None

  • MIDI I/O

    None

  • Wireless Connectivity

    None

  • Frequency Response

    1 Hz to 20 kHz +/-0.05 dB (at 44.1 kHz)

  • Maximum Input Level

    +24 dBu

  • Maximum Output Level

    +24 dBu

  • Impedance

    A/D Converters: 10 Kilohm
    D/A Converters: 50 Ohm

  • Dynamic Range

    A/D Converters: 124 dBA
    D/A Converters: 128 dBA

  • THD+N

    A/D Converters: -116 dB / 0.00015% (at 23 dBu)
    D/A Converters: -119 dB / 0.00014% (at 21 dBu)

  • Sample Rates

    44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz

  • Bit Depths

    24-Bit

  • OS Compatibility

    None

  • Included Software

    None

  • App Compatible

    No

  • Power Requirements

    PCIe

  • UPC Code

    805676302973

About Apogee Electronics Symphony I/O MkII 16x16SE

Before you dive into the world of professional audio recording and playback, consider the Symphony I/O Mk II 16x16 Special Edition Pro Tools HD Audio Interface. This high-quality, advanced audio interface is designed for professional musicians, producers, and engineers who demand superior sound fidelity.

This innovative device is compatible with Avid's Pro Tools HD software, a staple in professional recording studios worldwide. This compatibility ensures seamless integration, allowing you to effortlessly record, edit, and mix your audio projects.

The Symphony I/O Mk II 16x16 Special Edition is more than just an audio interface; it's a sophisticated tool that offers intuitive control via a front panel touchscreen. This high-resolution TFT display provides essential visual feedback for recording and monitoring, allowing you to view metering for up to 64 channels of I/O, 32 IN x 32 OUT. You can easily adjust input selection, monitoring levels, mic pre gain, and calibrate your Symphony I/O Mk II to match the levels of other analog gear in your system, all without looking at your computer.

This professional audio interface also features advanced temperature controls to ensure optimal performance and reliability. The improved fan and chassis ventilation design allows for quiet, efficient cooling of components.

The Symphony I/O Mk II 16x16 Special Edition also includes the Symphony Control software for macOS, providing comprehensive access to all features and functions. This includes setting gain levels, managing routing, controlling output levels, setting calibration, and setting up multiple mixers.

For those who prefer to work without a computer, the Standalone Routing feature allows you to set up and use the Symphony I/O Mk II in various scenarios, such as connecting to a Blu/Ray, CD Player, or Power Amp for high-end speakers.

The Symphony I/O Mk II 16x16 Special Edition is built on Apogee's 30-year reputation for award-winning digital recording technology. It includes the most refined analog-to-digital converter Apogee has ever designed, offering the lowest distortion and greatest dynamic range of any A/D converter in their lineup.

The Symphony I/O Mk II 16x16 Special Edition also features ESS Saber32 DAC Technology for unmatched audio clarity free from input jitter. The audiophile-grade headphone monitoring with Constant Current Drive technology ensures massive power while maintaining extremely low distortion and linear frequency response.

In summary, the Symphony I/O Mk II 16x16 Special Edition Pro Tools HD Audio Interface offers superior sound quality, advanced features, and intuitive control, making it an ideal choice for professionals in the audio recording industry.

Apogee Electronics Symphony I/O MkII 16x16SE Features

  • Best AD/DA conversion of any Thunderbolt audio interface
  • 16x16 SE channels of modular analog I/O with optional mic preamps
  • Best per-channel value of any interface in its category
  • Pro Tools HD (Mac/PC) connectivity
  • Ultra-low latency performance
  • Advanced Monitor Workflows featuring plug and play Atmos configuration
  • All new, highly customizable Symphony Control software provides easy access to all I/O parameters
  • Intuitive touchscreen display and front panel control
  • Designed in California, Built in the U.S.A

Warranty Information

This product has a limited warranty of 12 months for parts and 12 months for labor.

Product Documents

User Manual

Key Features

  • Experience pristine audio quality with this Apogee digital audio interface.
  • Achieve ultra-low latency for seamless tracking and mixing in your DAW.
  • Pro Tools HD compatibility ensures smooth integration into your workflow.
  • Capture every nuance with 16x16 analog I/O, perfect for complex recordings.
  • Enjoy high-resolution audio up to 192kHz for professional studio results.
  • Connect with ease using multiple I/O options including DigiLink and S/PDIF.

What's in the box:

  • Apogee Electronics Symphony I/O Mk II 16x16 Special Edition Pro Tools HD Audio Interface
  • Power Cable
  • Apogee Electronics 1 Year Limited Warranty