Grace Design
Grace Design m900 Desktop DAC Headphone Amplifier
Best premium desktop audio solution for discerning headphone listeners.
Experience high-fidelity audio with this versatile DAC and headphone amplifier. It supports high-resolution playback, including up to 32-bit/384kHz PCM and 256x DSD, delivering a detailed and transparent sound. Featuring dual headphone outputs and flexible analog and digital inputs, it integrates seamlessly into any audio setup. Customize your listening with four selectable DAC filter settings. Conveniently powered via USB, this compact unit is ideal for audiophiles and professionals seeking premium sound quality whether at a desk or on the go.
$660.00
Owner Satisfaction
4.5
/ 5
Category Rank
499
/ 1079
#499 in Headphone Amplifiers
Price vs Category Average
-53%
Below average
Type
Headphone Amp & DA Converter
/ Headphone Amp & DA Converter
Who it's for
- Audiophiles seeking uncolored, high-resolution sound reproduction.
- Users with diverse digital audio sources and playback devices.
- Desktop users valuing space efficiency and long-term product reliability.
Who should skip it
- Budget-conscious consumers or those new to high-fidelity audio.
- Listeners wanting to connect analog sources directly to their amplifier.
- Music lovers preferring a colored or "musical" sound signature.
Performance breakdown
Audio Transparency
Delivers an incredibly clean, neutral sound signature for critical listening sessions.
Resolution Support
Handles high-res PCM and DSD files with professional-grade precision.
Portability
Compact footprint and USB power make it perfect for mobile workstations.
Connectivity Versatility
Solid input options, though limited by the older Micro-USB connection standard.
Build Quality
Rugged, industrial-grade construction built to withstand years of daily professional use.
Interface Intuition
The rotary encoder makes volume control and menu navigation satisfyingly tactile.
Key Specs
Type
Headphone Amp & DA Converter
Input Channels
Stereo
Output Channels
2
Analog Outputs
2 x RCA (stereo)
Headphones
2 x 1/4" TRS
Digital Inputs
1 x Coax (S/PDIF), 1 x Optical Toslink
USB
1 x Micro-B
Form Factor
Desktop, Portable
Know before you buy
Yes, the m900 is designed to be fully USB bus-powered. You can run it directly from your computer's USB port, making it a convenient solution for desktop setups or mobile use.
Absolutely. The m900 supports high-resolution playback up to 32-bit/384kHz PCM and 256x DSD, ensuring compatibility with high-fidelity audio files.
The four selectable DAC filter settings allow you to subtly adjust the digital reconstruction characteristics of the audio. These filters provide slight variations in the frequency response and transient response, letting you tune the sound signature to better match your headphones or personal preference.
Yes, the m900 features dual 1/4" headphone outputs on the front panel. This allows you to drive two pairs of headphones simultaneously, which is useful for collaborative listening or comparing gear.
Yes, it includes both coaxial (S/PDIF) and optical Toslink digital inputs. This allows you to connect external devices like CD players, streamers, or gaming consoles in addition to your computer.
Yes, it features a pair of RCA analog outputs on the back. This allows you to use the m900 as a high-quality DAC and volume controller for your powered studio monitors or desktop speakers.
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