Grace Design m908 high fidelity 22.2 monitor controller

The new m908 Monitor Controller is designed for speaker systems up to 24 channels, from stereo to Dolby Atmos™ 22.2 and all formats in between. Built on our legacy of reference audio design, the m908’s audio performance delivers impeccable clarity and detail. Our latest generation AD / DA converters provide incredible dynamic range and resolution, while all new analog circuitry is designed to be effortlessly transparent and musical.

The m908 system consists of a mainframe audio control unit, remote control unit, and a power supply with dual-redundant universal input power modules. The remote control is based on our m905 stereo monitor controller, but scaled up to accommodate added features and playback channel count.

Standard features include a total of 68 digital input channels via AES3, TOSLINK, S/PDIF, ADAT Lightpipe, and USB2. Outputs include 16 balanced analog output channels and 24 digital output channels. Up to 16 channels of analog inputs are available with the addition of the optional 8 channel ADC modules, and an additional option module slot provides up to 32 additional digital I/O channels via Dante™ or DigiLink™.

Up to 24 input channels can be received simultaneously and routed to the 24 channel processor, and sample rates of up to 192kHz / 24bit are supported. A powerful DSP section allows for room correction EQ on every channel, comprehensive bass management features, and individual channel delay.

The m908 is a fully self contained plug and play monitor controller, with a full complement of monitoring features including cue channels, built in talkback mic, mono, mute and dim controls, and an exhaustive list of functions relating to surround and immersive playback systems. It is designed to enable professionals and facilities to their workflows for immersive audio playback with a minimum of effort and cost.

24 channel AES3 digital I/O / 16 channel analog outputs

16 channel ADAT Lightpipe in / USB 24 channel inputs

AES3, S/PDIF, and TOSLINK stereo inputs

Optional Dante™ or DigiLink™ module for an additional 32 channels of I/O


Optional 8 channel ADC module for 8 or 16 channel analog inputs

4th generation s-Lock pll clocking system for vanishingly low jitter

High resolution volume control

Powerful room correction EQ

Complete bass management capability

Channel level and delay calibration

Comprehensive downmix control

Built in SPL meter and pink noise source

Powerful and intuitive remote control unit for access to all system controls
and calibration

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 8 stereo CUE paths

4 General Purpose Input and Output pins for interfacing to external systems

US and EU parcels ship via UPS, ETA 1-7 working days from pickup day zero. That also applies to most locations worldwide.

All shipments are fully insured.

Bigger shipments requiring pallets or custom made crates ship to US, CA, JP, CN, AU and other outside of EU locations via DHL Air Freight, ETA is normally approx. 7-14 working days from pickup day zero.

Big shipments inside EU ship via different freight companies, recently mostly via ACE Logistics. Freight forwarders can use different courier companies for deliveries to final destinations.

Palletising and crating time can vary depending on the size of the shipment and packaging queue. We pack all our shipments with great care.

You are most welcome to pick your order up yourself from our Retrosonic Pro Audio showroom, studio and warehouse in Tallinn, Estonia.

We ship worldwide – contact us for a personal shipping quote or any other questions.

VAT (Value Added Tax) can be deducted if you have a company with a valid EU VAT number or if you're based outside of the EU. Non-EU buyers pay all and any import tax and duty as regulated by their local customs.