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Grace Design m908 Monitor Controller

Surround/multi-channel monitor controller for 2.1 through 22.2 with the latest generation of AD and DA converters and 4th generation s-Lock pll for vanishingly low jitter
MFR# m908

Product Description

The Grace Design m908 Monitor Controller is a multi-channel monitor controller capable of handling everything from mono playback devices to full-on 22.2 surround sound stages. Equipped with cutting-edge AD and DA converters, next-generation s-Lock pll technology, and powerful DSP processors, the M908 delivers stunning sound with imperceivable latency.


Designed for audio professionals working in surround sound and immersive formats, the Grace Design m908 Monitor Controller offers top-of-the-line conversion, clocking, and monitoring. The m908 utilizes powerful DSP processing to achieve high-resolution volume control, advanced bass management, easily-calibrated channel delay, and comprehensive dowmixing functionality.


Monitor up to 24 channels of audio for immersive surround sound formats such as ATMOS, DTS:X and Auro 3D. Capable of managing playback systems from AM radio through next-gem Dolby theaters, the m908 has you covered with support for playback systems from mono through 22.2 surround.


The Grace Design m908 features inputs for up to 16 channels via ADAT or up to 24 channels via USB. Additional AES3, S/PDIF, and TOSLINK stereo inputs are included for added flexibility. Use the m908 to monitor massive systems with 16 analog outputs, and support for up to 24 channels of AES3 I/O.

Perfect for working with large sessions over long distances, the m908 supports optional Dante or DigiLink modules with up to 24 additional inputs and outputs. The m908 also supports optional ADC modules with 8 or 16 additional inputs.


Featuring a discrete 2U Audio Control Unit with an external 1U, ½ rack dual redundant linear power supply, and an ergonomic LCD/LED desktop monitor controller—the m908 looks just as good as it sounds. Equipped with a built in SPL meter, pink noise source you’ll never have to second guess your levels again. The on-board reference quality headphone amplifier and flexible talkback system make the m908 remote control more than just a monitor controller — it’s your new studio centerpiece.


  • Latest generation of AD and DA converters, 4th generation s-Lock pll for vanishingly low jitter
  • Powerful DSP processor for high resolution volume control, bass management, channel delay and dowmixing
  • Up to 24 channels for immersive surround formats such as ATMOS, DTS:X and Auro 3D
  • Manage playback systems from mono through 22.2
  • Full bass management capability
  • Channel level and delay calibration
  • Comprehensive downmix control
  • Analog 16 channel Out / AES3 24 channel I/O
  • ADAT 16 channel In / USB 24 channel In
  • AES3, S/PDIF, and TOSLINK Stereo In
  • Optional Dante or DigiLink module for 24 channel I/O
  • Optional ADC module for 8 or 16 channel analog Inputs
  • Powerful and ergonomic remote control unit for access to all system controls
  • Built in SPL meter and pink noise source
  • Dual redundant external power supply
  • Reference quality headphone amplifier with cross-feed
  • Flexible talkback system with built-in mic on remote control and mic input for external talkback mics
  • Up to 3 stereo CUE outputs in addition to stereo headphone monitoring

Product Specifications

Condition New
Digital I/O Yes
Monitor Application Surround
Chassis 19-inch Rack-mount

Product Reviews

5 out of 5 stars.
Review Count (1)

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This piece of equipment is amazing!

By Aerick M on December 17, 2021

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.
The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
James P.
Thank you so much! Vintage King has been so fair and easy to work with. I can't thank you enough. It feels good to trust such a hefty purchase to folks who are so helpful and knowledgeable. Vintage King is a sound designers dream store.
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You guys have excellent customer service and I am excited about the next upgrade I complete on my fifth recording facility. I've been in the studio business for forty plus years. The salesman I worked with at Vintage King was the best of the best. You all rock!
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My experience with Vintage King was excellent. The order was here fast considering it was out of stock. The sales person had SKB send it to me directly and I couldn't have been more pleased.
Michael D.
From the minute I placed my order I was kept well-informed through each step in your process. Even though I was buying a comparatively modest piece of gear, your attention to detail made me feel like I was purchasing a six-figure mixing desk.
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Better than expected! Truly impeccable service. Your team was professional, knowledgeable, provided speedy delivery above and beyond standard. Vintage King Audio is definitely my go to for all of my audio and information needs.
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