GRACE DESIGN m900 — Headphones
Fit and constraints
Intended use
Constraints
To use it
Questions
Which connections, drivers, operating systems, and sample rates are supported by this exact revision?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
What cables, mounts, power supplies, or licenses are included?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
Is the current retailer listing new stock, demo stock, open box, or special order?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
Description
The Grace Design m900 is a portable headphone amplifier and DAC featuring AKM 4490 conversion with 32-bit processing and support for sample rates up to 384kHz PCM and 256x DSD. It offers USB asynchronous operation, S/PDIF and Toslink inputs, and dual power modes via USB—bus power or optional 2A supply for demanding headphones. The unit incorporates a transimpedance amplifier with zero ohm output impedance and includes a crossfeed circuit. Brand new.