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Apogee Electronics Symphony I/O MK II with 8x8 Analog I/O + 8 Mic Pre Amps + 8x8 AES/OP I/O, SYM2 Thunderbolt & Dante Configurations

SKU: AESYM2C8X8M MFR: SYM2-CONNECT-8X8MP-DANTE
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Key Features

  • Capture pristine audio with the Symphony I/O Mk II's premium AD/DA converters.
  • Experience ultra-low latency performance, perfect for demanding recording sessions.
  • Expand your studio with flexible I/O options, including Thunderbolt & Dante connectivity.
  • Harness the power of 8 digitally controlled mic preamps for exceptional recordings.
  • Seamless integration with Logic Pro X and other Core Audio compatible software.
  • Elevate your sound with Apogee's renowned audio quality and dynamic range.
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Special Order?Estimated to Ship: 08/18/2025
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Apogee Electronics Symphony I/O Mk II Specifications

General

General

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  • Analog to Digital

    THD+N: -115dB @ 22dBu (0.00020%) unweighted
    Dynamic range: 122dB A weighted

    Maximum input levels:
    +4dB setting: +24dBu
    -10dB setting: +6dBV

    Frequency response at 44.1kHz: 1-20,000 Hz (+/- 0.05dB)
    Input impedance: 10K

  • Digital to Analog

    THD+N: -119dB @ 21dBu (0.00014%) unweighted
    Dynamic Range: 126dB A weighted
    Max output levels - Infinite to +24dBu
    Frequency response at 44.1 kHz: dc to 20kHz (+/- 0.05dB)
    Output impedance: 50 Ohm
    Outputs are balanced through Apogee's proprietary Perfect Symmetry Circuitry (PSC)

  • Headphone Output

    1 stereo 1/4" headphone output on front panel

    THD+N:
    -110dB @19dBu into 600 Ohm (=80mW)
    -101dB @14dBu into 32 Ohm (=470mW)

    Dynamic Range: 121db A weighted
    Output: Apogee's proprietary Constant Current Drive provides smooth frequency response with any headphones

  • Power

    90-240VAC, 50-60Hz, 150W

  • Operating System

    Thunderbolt: Mac OS only 10.10 and above
    HD: Any Mac or PC running Pro Tools HD 9 or greater

  • Software Compatibility

    Thunderbolt: Logic Pro or any Core Audio compatible application on Mac OS X
    HD: Pro Tools HD 9 or greater

  • Dimensions

    17.75 x 11.5 x 3.5" (45.09 x 29.21 x 8.89cm)
    19 x 11.5 x 3.5" (48.26 x 29.21 x 8.89cm) (with Rack Ears)

Thunderbolt

Jump to...
  • Inputs

    Analog Inputs: 8 built-in mic preamps
    Digitally controlled, 85dB microphone preamps
    4 Hi-Z 1/4" instrument inputs capable of handling high level instruments
    Selectable 48v phantom power, Soft Limit and phase invert
    8 balanced inputs on 1 DSUB 25-pin connector

    Inserts:
    8 balanced software assignable analog insert points
    Return 1-8 on 1 DSUB 25-pin connector

  • Inputs (Contd.)

    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 on 1 RCA connector

  • Outputs

    Analog Outputs: 8 balanced outputs on 1 DSUB 25-pin connector

    Inserts:
    8 balanced software assignable analog insert points
    Send 1-8 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

  • Outputs (Contd.)

    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 on 1 RCA connector

  • Connections

    Thunderbolt cable (Sold separately)

  • Performance

    44.1kHz - 192kHz
    Latency: 1.35 ms with Logic Pro X (96 kHz / 32 buffer)

  • Computer

    Thunderbolt-enabled Mac computer, including Mac Pro, MacBook Pro, Mac mini, iMac & MacBook Air
    Operating System: Mac OS 10.9.5 or greater

  • Control

    Symphony Control app (included in software installer) and front panel touchscreen

  • Compatible Software

    Logic Pro X
    Any Core Audio application on Mac

  • Inputs

    Analog IN: 8 balanced inputs on 1 DSUB 25-pin connector

    AES-EBU IN: 8 inputs on 1 DSUB 25-pin connector (192k single wide compatible)

    Optical IN: Supports ADAT, SMUX & S/PDIF
    ADAT: 8 channels 44.1-48 kHz
    SMUX: 8 channels 88.2-96 kHz
    S/PDIF: 2 channels, up to 96 kHz

    Coax IN: 2 channels of S/PDIF, up to 96 kHz

  • Outputs

    Analog OUT: 8 balanced outputs on 1 DSUB 25-pin connector
    AES-EBU OUT: 8 outputs on 1 DSUB 25-pin connector (192k single wide compatible)

    Optical OUT: Supports ADAT, SMUX & S/PDIF
    ADAT: 8 channels 44.1-48 kHz
    SMUX: 8 channels 88.2-96 kHz
    S/PDIF: 2 channels, up to 96 kHz

    Coax OUT: 2 channels of S/PDIF, up to 96 kHz

  • Performance

    44.1kHz - 192kHz

  • Computer

    Mac or PC

  • Control

    Apogee Network Control Software (Free download from Apogee) or Front panel touchscreen

About Apogee Electronics Symphony I/O Mk II

Be at the forefront of audio production with the Symphony I/O Mk II, an advanced multi-channel audio interface that embodies sophistication and high-quality sound. This professional-grade interface boasts Apogee's latest flagship AD/DA conversion, ensuring unparalleled audio clarity and sonic transparency. With modular I/O that can accommodate up to 32 inputs and outputs, the Symphony I/O Mk II is the epitome of innovative design, offering a future-proof solution for your evolving studio needs.

The Symphony I/O Mk II is not just an interface; it's a centerpiece for music production, adept for audio recording, mixing, and mastering. Its intuitive touchscreen display simplifies control, while the optional world-class microphone preamps elevate your recordings to professional standards. This interface is the preferred choice for GRAMMY-winning artists, producers, songwriters, and engineers, thanks to its legendary sound quality and performance.

With four base I/O configurations to choose from - 2x6, 8x8, 16x16, or 8x8 with 8 mic preamps - the Symphony I/O Mk II is versatile enough to suit any studio setup, from home studios to commercial recording spaces and scoring stages. Expansion is effortless as your studio grows, ensuring the best per-channel value in its category.

Connectivity is a breeze with direct options for Thunderbolt, Pro Tools HD, Dante+ Pro Tools HD, or Waves SoundGrid networks. The Symphony I/O Mk II Thunderbolt configuration is particularly powerful for Mac users, offering ultra-low latency performance of 1.35 ms with Thunderbolt and Logic Pro X, and a custom driver that maximizes CPU efficiency.

The Symphony I/O Mk II's magic lies in its Modules, the heart of Apogee's 30 years of R&D excellence. These Modules are the cornerstone of superior digital audio recording, providing the core competency that Apogee is renowned for. The option card slot adds to the interface's flexibility, future-proofing your investment as new platforms emerge and audio recording workflows evolve.

Symphony Control software replaces the Maestro software, offering a streamlined, customizable user interface with innovative features like Talkback functionality and an FX Send mixer. It's also compatible with the new Apogee Control hardware remote, enhancing your control experience.

For those integrating into Dante networks, the Symphony I/O Mk II Dante option card transforms the interface into a powerhouse for audio-over-IP solutions. It's interoperable with any Dante-powered device and includes Pro Tools connectivity, making it the ultimate choice for quality, flexibility, and modularity in a Dante-enabled audio interface.

Whether you're working in broadcast, education, house of worship, live sound, post-production, or studio recording, the Symphony I/O Mk II Dante offers seamless integration and remote control of all settings via the Apogee Network Control software for macOS and Windows 10.

Choose the Symphony I/O Mk II for its unmatched sound quality, versatile connectivity options, and the ability to grow with your studio. It's designed in California, built in the U.S.A., and ready to elevate your audio production to professional heights.

Apogee Electronics Symphony I/O Mk II Features

  • Advanced multi-channel audio interface with Apogee's flagship AD/DA conversion
  • Modular I/O with up to 32 inputs and outputs for versatile studio configurations
  • Intuitive touchscreen display and optional world-class microphone preamps for professional-grade recordings
  • Direct connectivity options for Thunderbolt, Pro Tools HD, Dante+ Pro Tools HD, or Waves SoundGrid networks
  • Ultra-low latency performance with Symphony I/O Mk II Thunderbolt for Mac users
  • Future-proof design with option card slot for evolving audio recording workflows
  • Symphony Control software for streamlined, customizable user interface and innovative control features
  • Dante-enabled for seamless integration into audio-over-IP solutions with Pro Tools connectivity
  • Remote control of all settings via Apogee Network Control software for macOS and Windows 10
  • Designed in California, built in the U.S.A., and trusted by GRAMMY-winning artists, producers, songwriters, and engineers

Warranty Information

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

Product Documents

User Manual

Key Features

  • Capture pristine audio with the Symphony I/O Mk II's premium AD/DA converters.
  • Experience ultra-low latency performance, perfect for demanding recording sessions.
  • Expand your studio with flexible I/O options, including Thunderbolt & Dante connectivity.
  • Harness the power of 8 digitally controlled mic preamps for exceptional recordings.
  • Seamless integration with Logic Pro X and other Core Audio compatible software.
  • Elevate your sound with Apogee's renowned audio quality and dynamic range.

What's in the box:

  • Symphony I/O Mk II Interface
  • Power Cable
  • Quick Start Guide
  • Apogee Electronics 1 Year Warranty