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Products
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- Find A Dealer
- Grace Store
Artists
Blog
Support
Contact

m303 Series DI Boxes

m303 High Performance Active DI
$299.00 Add to cart
m303s – HIGH PERFORMANCE ACTIVE DI – Stereo
$495.00 Add to cart
m308 High Performance 8 Channel Active DI
$1,995.00 Add to cart

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who

We are a family owned and operated company. Founded by brothers Michael and Eben Grace in the early 90's, we have grown steadily into a globally recognized professional and consumer audio brand, known for superlative audio performance, reliability and the finest customer service.

30 years in pro audio

why

True quality is our underlying obsession. We design products to perform beautifully, to be simple to use and to last a very long time. If you are curious about the quality of our gear, simply look at how we back it up: the unrivaled EON 20 year warranty on most analog only models and a standard 5 year warranty on everything else. We strive to ensure our products remain useful and out of the landfill for many years.

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Why do our 300 Series DIs translate bass and acous

Why do our 300 Series DIs translate bass and acoustic instruments so effortlessly on stage and in the studio? It starts with custom-wound Lundahl transformers and high-rail voltage active circuit architecture.
By decoupling grounds and running on robust internal voltage rails, the m303, m303s, and m308 eliminate ground-loop hum while delivering massive transient headroom and uncolored low-end articulation straight to front-of-house or your DAW.
Discover the 300 Series DI range at the link in bio.
#GraceDesign #m303 #m303s #m308 #DIBox #LundahlTransformers #LiveSound #FOH #StudioGear #ProAudio

“The elegant design, unsurpassed functionality, hu

“The elegant design, unsurpassed functionality, huge capacity for I/O and the unbelievable sonics made the m701 the unassailable first choice interface for my studio. The setup was ridiculously straightforward, within 5 minutes of unboxing I was working. My Grace m108 mic pres are in the AES port and controlled remotely via the Gracenet web app, the artist mixers are in my clients devices giving them individual control of their cue mix, my Dante devices are happily sitting with the 701 on the network, and I have 32ch I/O with a class compliant driverless USB connection. This unit is a beast!”
— Emre Ramazanoglu (MPG Atmos Mixer of the Year 2025)
Built to anchor demanding tracking and mixing rooms, the m701 combines massive modular I/O, seamless networking, and uncolored conversion in a rock-solid 24/7 mainframe.
Discover the m701 platform at the link in bio.
photo credit: @hoxahq
#GraceDesign #m701 #m108 #EmreRamazanoglu #MPGAwards #AtmosMixer #StudioInfrastructure #AudioInterface #ProAudio @emre_ram

Last night was pretty special for the Grace Brothe

Last night was pretty special for the Grace Brothers. We got a lovely pre-show tour and side-stage seats at the Grand Ole Opry. Obvi awesome to see our DIs and preamps covering all the acoustic instrument inputs on stage. But more awesome to get to meet this amazing staff. Warm vibes all around amidst the high wire craziness of putting on like a zillion show a year. Huge shout to our pal @nickfaddy for having us!
@opry #nashville

Final Days: The October Sale Ends October 30th. O

Final Days: The October Sale Ends October 30th.
Only a few days remain to save on our multi-channel preamps (m801mk2, m201mk2, m108), the m908 Immersive Monitor Controller, the m701 Audio Interface, and all associated option cards.
Don't miss your opportunity to upgrade your studio infrastructure with reference-grade Grace Design hardware.
Order via the link in bio or contact your authorized Grace Design dealer today.
#GraceDesign #OctoberSale #m908 #m701 #m801mk2 #ProAudio #StudioGear #AudioEngineering

"We recently did a demo which included the most cu

"We recently did a demo which included the most current, high-end converter i/o boxes and the m701 was the clear winner for its ability to realistically present the material in a full spectrum with exceptional detail and no real audible coloration." — Todd Adelman, The Woods Studio
In critical tracking and mix environments, absolute converter transparency is non-negotiable. The m701 delivers reference AD/DA conversion, modular I/O expandability, and seamless web-based GraceNet UI control.
Save on the m701 and all expansion cards through October 30th. Link in bio.
#GraceDesign #m701 #ToddAdelman #TheWoodsStudio #ADDA #MasteringStudio #RecordingStudio #ProAudio #StudioInfrastructure

We are so proud to announce the m701's nomination

We are so proud to announce the m701's nomination for the 2027 SOS Award, for the 'Best Interface / Converter' category. While the competition is stiff, we believe the m701 deserves the podium! If you agree, please visit the voting page and mark down the m701 as your favorite interface of 2027. Thank you!!!!!
Voting has commenced, closes on Dec 7th. Voting page - link in bio.

When building a high-channel-count Immersive audio

When building a high-channel-count Immersive audio suite, system routing and speaker calibration are just as critical as sonic transparency. Industry professionals rely on the m908 Monitor Controller to serve as the ultimate central command for modern Immersive monitoring setups.
"I love the m908 - it has simplified and streamlined my workflow in ways I never expected - the ability to switch from stereo to 5.1 to Atmos with the push of a button is a game changer in a time when I master for a variety of release formats daily." - Brad Blackwood – Euphonic Masters
Explore October promo pricing on the m908 at the link in bio.
#GraceDesign #m908 #DolbyAtmos #SpatialAudio #ImmersiveAudio #MonitorController #MixingStudio #MasteringStudio #AudioEngineering #ProAudio @bradblackwood

The m701 Audio Interface: Fully Modular Studio Ner

The m701 Audio Interface: Fully Modular Studio Nerve center.
Built for 24/7 mission-critical operation, the m701 handles up to 64 channels of analog I/O and over 300 channels of digital I/O. Equipped with reliable dual-redundant power supplies and our web-based GraceNet UI for effortless system configuration.
All m701 system option cards—including 8-channel ADCs and DACs, 4-channel mic preamps, line input/phono preamps, 24-channel AES I/O, Dante, DigiLink, and USB—are on sale throughout October.
Build your custom m701 configuration at the link in bio.
#GraceDesign #m701 #ADDA #AudioInterface #MasteringStudio #BroadcastAudio #ProAudio #StudioInfrastructure
Watch full video: https://www.youtube.com/watch?v=Jb5X9oKbuzQ&t=3s @RecordingStudioLoser

Pure Transimpedance AmplifierTopology. Absolute Ph

Pure Transimpedance AmplifierTopology. Absolute Phase Accuracy.
For critical dual-channel tracking, the m201mk2 provides a completely transparent, musical signal path. Unlike traditional voltage-feedback circuits, our fast transimpedance architecture beautifully translates delicate low-level ambient information and natural tonality without introducing harshness or color.
The true sound of your microphones, realized.
Learn more at the link in bio.
#GraceDesign #m201mk2 #MicPreamp #AudioEngineering #Transimpedance #RecordingStudio #StereoTracking #ProAudio

Remote Controlled Mic Preamplification with Refere

Remote Controlled Mic Preamplification with Reference A/D convertion
The m108 packs 8 channels of transparent, musical mic preamplification and 192kHz A/D conversion into a 1U chassis. Controlled via front-panel hardware or over IP network using the web-based GraceNet interface.
During October, save on the m108 as well as its Dante, DigiLink, and Control Room Output option cards.
Streamline your location or studio rig at the link in bio.
Watch full video in the link in bio. @eytschpi42
#GraceDesign #m108 #DanteAudio #DigiLink #RemoteRecording #LocationRecording #ProAudio #AudioInterface

The m908 Monitor Controller. Engineered for high-

The m908 Monitor Controller.
Engineered for high-channel-count Immersive audio, the m908 is the definitive control center for modern, immersive and Dolby Atmos and mixing suites.
It delivers up to 24 channels of reference speaker management, handling complex routing, bass management, speaker delay, and room correction EQ with absolute accuracy.
Save on the m908 and select expansion cards (including Analog Inputs, Dante, and DigiLink) all through October.
Take total control of your Immersive mixing environment. Discover the m908 at the link in bio.
#GraceDesign #m908 #DolbyAtmos #SpatialAudio #ImmersiveAudio #MonitorController #MixingStudio #AudioEngineering #ProAudio #StudioInfrastructure

The Flagship 8-Channel Standard: m801mk2. Eight c

The Flagship 8-Channel Standard: m801mk2.
Eight channels of uncolored transimpedance preamplification built without compromise. The m801mk2 delivers massive dynamic range, ultra-wide bandwidth, and effortless headroom for high-stakes tracking sessions.
Take advantage of October savings on the m801mk2 through October 30th (available worldwide).
Explore specs and sale pricing via the link in bio.
Watch full video: https://www.youtube.com/watch?v=UqoluVTLhBc&t=3s @RecordingStudioLoser
#GraceDesign #m801mk2 #MicPreamp #RecordingStudio #TrackingStudio #AudioEngineering #ProAudio #StudioGear

The October Sale is Live. From October 1st throug

The October Sale is Live.
From October 1st through the 30th, save big on our flagship systems built for recording, mixing, mastering, and live sound applications.
Whether upgrading your front-end tracking, stepping into Immersive audio monitoring, or building a high-density modular interface, our top systems and expansion option cards are on sale worldwide.
Featured Sale Hardware:
• Multi-Channel Preamps: m801mk2, m201mk2, m108
• Immersive Monitoring: m908 Monitor Controller
• Modular Audio Interface: m701 Platform
• System Option Cards: Dante, DigiLink, ADC/DAC, AES, Line/Phono, and Control Room modules
Contact your authorized Grace Design dealer.
#GraceDesign #OctoberSale #m801mk2 #m201mk2 #m108 #m908 #m701 #ProAudio #StudioInfrastructure #AudioEngineering

The m900 Desktop DAC / Headphone Amp. Whether edi

The m900 Desktop DAC / Headphone Amp.
Whether editing on the plane or mixing in a hotel room, your portable monitoring chain cannot shouldn't require any compromise. The m900 packs our signature DAC and headphone amplifier technology into a portable desktop chassis.
Key Features:
• High-resolution 24-bit / 384kHz DAC
• Dual headphone outputs & unbalanced line outputs
• Powered via standard USB or external supply for high-power mode
Upgrade your mobile monitoring chain at the link in bio.
#GraceDesign #m900 #HeadphoneAmp #StudioDAC #MobileMixing #ProAudio #AudioProduction

"I’ve been hoping for something of this caliber fo

"I’ve been hoping for something of this caliber for years and years. It renders my pedal board of the last several years obsolete and useless. It’s easy to use and sounds like I’d hoped. Bottom line - this is the best preamp I’ve ever used." — Bryan Sutton
When world-class flatpickers hit the stage, acoustic fidelity and dynamic headroom are everything. Our instrument preamplifiers bring reference-grade transimpedance circuitry directly to your live rig, ensuring every transient detail translates directly to the PA.
Upgrade your live signal chain at the link in bio.
#GraceDesign #BryanSutton #AcousticPreamp #LiveSound #TouringMusician #AcousticGuitar #Flatpicking #ProAudio

Mic Placement Executed with Mathematical Precision $Mic Placement Executed with Mathematical Precision. In critical location and orchestral tracking, a fraction of an inch changes your stereo image. Our Spacebar modular microphone positioning systems are machined from aircraft-grade aluminum with precision markings for exact, repeatable angle and distance setup for ORTF, Blumlein, Decca Tree, and surround arrays. Crafted stability for high-stakes acoustic recording. Explore the Spacebar system at the link in bio. #GraceDesign #Spacebar #MicrophonePositioning #LocationRecording #OrchestralTracking #StereoArray #AudioEngineering$

Why do Grace Design preamps sound so immediate and

Why do Grace Design preamps sound so immediate and natural? It starts with our fast, musical transimpedance amplifier topology.
Unlike traditional voltage-feedback circuits, transimpedance architecture provides an ultra-wide bandwidth and exceptionally fast transient response. This ensures that delicate musical dynamics—from the subtle strike of a acoustic string to the full impact of an orchestral crescendo—are captured with absolute phase accuracy and zero coloration.
Pure engineering. Zero compromise.
#GraceDesign #AudioEngineering #ElectricalEngineering #MicPreamp #StudioInfrastructure #ProAudio #MadeInColorado

The m501 500-Series Preamp. “It’s not adding the v

The m501 500-Series Preamp. “It’s not adding the vibe… it captures the vibe.” -Paul Vnuk Jr.
Bring signature Grace Design transparency to your 500-series rack. The m501 packs our uncolored, high-headroom transimpedance circuit into a compact 500-series format.
Engineering Highlights:
• Fast, transformerless transimpedance amplifier topology
• Dedicated Ribbon Mic Mode for optimized input impedance
• Precision 12-position rotary gain switch
• Massive dynamic range and ultra-wide frequency response
Fill your 500-series rack with reference accuracy. Link in bio.
#GraceDesign #m501 #500Series #MicPreamp #LunchboxRack #StudioInfrastructure #AudioEngineering #ProAudio @pvnukjr

When building a high-channel-count immersive audio

When building a high-channel-count immersive audio suite, system routing speaker calibration are just as critical as sonic transparency. Industry professionals rely on the m908 Monitor Controller to serve as the ultimate central command for modern immersive monitoring setups.
"Grace is renown for incredible sonics, however the m908 is an entirely different machine. Not only does it sound phenomenal, but the functionality and routing is on another level. As the centerpiece of our Dolby Atmos room, it handles hundreds of I/O, multiple speaker sets, room correction, and so much more. I can’t say enough great things about it!” - Glenn Tabor III, Gat Studios
#GraceDesign #m908 #DolbyAtmos #SpatialAudio #ImmersiveAudio #MonitorController #MixingStudio #MasteringStudio #AudioEngineering #ProAudio @gat3studios

The m103 Channel Strip. Complete front-end tracki

The m103 Channel Strip.
Complete front-end tracking precision in a single rack space. The m103 combines our fast transimpedance mic preamp with a 3-band parametric EQ and a smooth, optical compressor.
Key Architecture:
• Transformerless, musical mic preamplifier
• Precision 3-band EQ block (high/low shelving, sweepable parametric mid)
• Comprehensive optical compressor with transparent dynamic control
• Flexible order switching (pre/post EQ compression)
Upgrade your vocal and instrument front-end at the link in bio.
#GraceDesign #m103 #ChannelStrip #MicPreamp #OpticalCompressor #StudioGear #RecordingStudio #ProAudio

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