
Symphony I/O Mk II
Multi-channel Audio Interface for Dolby Atmos and Immersive Audio.
Build Your Own Symphony I/O Mk II

**Special Pricing on SoundGrid configurations below:
8×8 SoundGrid Retail: $4,849
16×16 SoundGrid Retail: $5,995
32×32 SoundGrid Retail: $9,795
Want to build your own custom Symphony I/O Mk II and get a breakdown on the price*? Click the button below to see use our Build Your Own Symphony I/O Mk II page. Choose your modules, connection type, & more.
*U.S. Price. Tax not included.
Flagship Sound Quality, Modular I/O Configurations, Platform Flexibility
Meet Symphony I/O Mk II
Highlights
- Best AD/DA conversion of any Thunderbolt™ audio interface
- Up to 32 channels of modular analog I/O with optional mic preamps
- Best per-channel value of any interface in its category
- Choice of Thunderbolt™ (Mac), Pro Tools® HD (Mac/PC), Dante™+ Pro Tools® HD (Mac/PC, or Waves SoundGrid (Mac/PC) connectivity.
- Ultra-low latency performance – 1.35 ms with Thunderbolt and Logic Pro X
- 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.
8×8+8MP Thunderbolt Configuration shown
Legendary Sound Quality
Apogee engineers have made it their passion to improve every new flagship product by using the latest in electrical components and designing optimized circuitry that often exceeds the expectations of the component manufacturer. This is the Apogee Advantage. Symphony I/O Mk II is the culmination of this 30 year commitment and raises the bar on all Apogee products before it with even better audio clarity and sonic transparency. In fact, when equipped with either the 8×8 or 16×16 modules, Symphony I/O Mk II outperforms all other multi-channel audio interfaces available for Pro Tools HD, network or Thunderbolt based systems, making it the flagship audio interface for the entire professional audio industry and the obvious choice for countless GRAMMY winning artists, producers, songwriters and engineers.
Input and Output flexibility
Platform Options
Ginger Audio GroundControl Sphere
All current and new Symphony I/O Mk II customers
get 40% OFF this incredible software to transform your
studio to meet Dolby Atmos specifications.
Use Coupon Code at checkout: SYMGINGER40
The Magic is in the Modules



More Intuitive. More Control.

Front Panel Touchscreen
Stay Cool with Dynamic Temperature
Symphony I/O Mk II features advanced controls to keep the unit running at an ideal temperature, ensuring the highest level of performance and reliability. The new temperature controls can be accessed form the touch screen and control software and are complemented by an improved fan and chassis ventilation design, which allows adequate component cooling to occur quietly.

Symphony Control Software
Symphony Control software for macOS gives you comprehensive access to all features and functions of Symphony I/O Mk II Thunderbolt. Set gain levels (preamp modules only), manage routing, control output levels, set calibration, set-up multiple mixers and more.
And with Symphony I/O Mk II Thunderbolt’s new Monitor Workflows, you can effortlessly configure and operate your monitoring system for Dolby Atmos, Sony 360 Reality Audio and other immersive audio systems with control of up to 32 Speaker outputs.
Symphony Control also features compatibility with the new Apogee Control hardware remote.
Control Hardware Remote
Multi-unit support for up to 64 channels of I/O

Stay Cool with Dynamic Temperature
Symphony I/O Mk II features advanced controls to keep the unit running at an ideal temperature, ensuring the highest level of performance and reliability. The new temperature controls can be accessed form the touch screen and control software and are complemented by an improved fan and chassis ventilation design, which allows adequate component cooling to occur quietly.

Standalone Mode
Standalone Routing lets you setup and use Symphony I/O Mk II without a computer. From the front panel touch screen you can set up Symphony I/O Mk II for use in these situations and more:
Hi-Fi Systems
Connect Symphony I/O MkII to a Blu/Ray, CD Player or Power Amp for high end speakers. Symphony I/O Mk II is also an ideal high-end headphone amp.
Standalone/Expander Converter and preamps
Standalone AD/DA converters and preamps can be used alongside other digital gear: To expand other interfaces, to connect to live or studio digital consoles, to connect to broadcast equipment. With Standalone mode you can also bypass the converters of your existing gear.
Legendary Sound Quality and Performance
The Ins and Outs of Superior Sound
Make a Difference you will Hear

Includes ESS Sabre32 DAC Technology

Audiophile-Grade Headphone Monitoring with Constant Current Drive
