Apogee Symphony I/O Mk II 8x8-A8MP -SoundGrid

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Symphony I/O Mk II 8x8-A8MP -SoundGrid
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Apogee Electronics
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Ultimate Sound Quality Meets Powerful DSP Enabled Networking

With a simple ethernet connection, Symphony I/O Mk II’s industry-leading sound quality can be easily connected to your computer, shared between multiple rooms, multiple computers and supercharged with almost infinite real-time DSP power via Waves SoundGrid servers. Symphony I/O Mk II SoundGrid integrates seamlessly with all DAWs, providing endless possibilities for setups of every size for studio, live and post production workflows.


Connect Symphony I/O Mk II via Ethernet cable to computer(s) and/or SoundGrid compatible devices

Sync audio between multiple computers, DAWs & rooms (Mac or PC)

Near-zero latency recording with any SoundGrid compatible plugins*

Mix with near unlimited plugin power*

Up to 32 channels of modular analog I/O with optional 8 mic preamps per Symphony

Best per-channel value of any interface in its category

Setup and advanced control with Waves SoundGrid Studio application

Available as free download from Waves

Ideal for studio facilities, live sound, broadcast and post-production

Designed in California, Built in the U.S.A.

*Requires Waves SoundGrid server


Easy Collaboration

Collaboration is easy with a SoundGrid equipped Symphony I/O Mk II at the center of your studio. Simply connect any additional computers via ethernet cable to effortlessly route audio digitally between multiple computers and your main Symphony I/O, using any combination of DAWs.


Let’s say you have a great drum beat started in Logic Pro X and a collaborator comes to your studio with their laptop and Ableton Live. You can simply connect the laptop to your host computer with an ethernet cable, download the Waves SoundGrid connect audio driver on your guest’s computer and you’re ready to collaborate. Transport controls will be synced between the two computers and you can play all tracks through your Symphony I/O Mk II.


Record with Real-Time Plugins. Mix with Unlimited Power.

Add a Waves SoundGrid server to your Symphony I/O Mk II to supercharge your workstation and be able to record with plugins, with near zero latency. The SoundGrid Server handles plugin processing so your computer can handle other demanding tasks while mixing or editing. Use more plugins than ever by spreading the load between your computer and the server. When you are away from your studio, these plugins can continue to run natively on whatever computer you’re on – no hardware or dongle required.  


Best AD/DA conversion of any Thunderbolt audio interface

Up to 32 channels of modular analog I/O with optional 8 micpreamps

Best per-channel value of any interface in its category

Choice of Thunderbolt, Pro Tools HD (Mac/PC) or WavesSoundGrid connectivity

Ultra-low latency performance

Intuitive touchscreen display and front panel control

Designed in California, Built in the U.S.A.

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 to +24dBu

Frequency response at 44.1 kHz: dc to 20kHz (+/- 0.05dB)

Output impedance: 50 Ohm

Outputs are balanced through Apogees proprietary PerfectSymmetry Circuitry (PSC)

Headphone Output:

1 stereo 1/4 headphone output on front panel


-110dB @19dBu into 600 Ohm (=80mW)

-101dB @14dBu into 32 Ohm (=470mW)

Dynamic Range: 121db A weighted

Output: Apogees proprietary Constant Current Driveprovides smooth frequency response with any headphones


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 compatibleapplication on Mac OS X

HD: Pro Tools HD 9 or greater

Package Contents:

Symphony I/O Mk II Interface

Power Cable

Quick Start Guide

Warranty Booklet

Symphony I/O Mk II Dimensions:

Inches: 17.75 (19 with Rack Ears) x 11.5 x 3.5

Centimeters: 45 (48.26 with Rack Ears) x 29.2 x 8.9

Packaging Dimensions:

Symphony I/O Chassis Box

Inches: 22.875 x 17.75 x 9.25

Centimeters: 58.1 x 45.1 x 23.5

I/O Module Box

Inches: 13.75 x 12.25 x 3.25

Centimeters: 34.9 x 31.1 x 8.3 

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