m9XX

Grace Design / Massdrop m9XX headphone amp/DAC

The Grace Design / Massdrop m9XX has now been updated as the m900 and is no longer a Massdrop exclusive. The original m9XX is still available in limited quantities from Massdrop. The m900 is identical to the m9XX, but adds a S/PDIF digital input for enhanced funtionality for professional audio use.

m9XX Support

Owners Manual Rev E

m9XX Technical Discussion

Drivers and Firmware

Important USB Driver information for Windows 10 Anniversary users

m9XX Reviews

Headphonia by Nathan

Head-Fi by Jude

HiFi Insider

User reviews on Head-Fi

Purchase m9XX power supplies

These power supplies are tested by us to provide the best power regulation and noise performance.

m9XX regulated USB power supply
100-240VAC input / 5VDC 2A output
US plug (Grace Part # T900)

$14.00 US / domestic shipping incuded

 

 

 

m9XX regulated USB power supply
100-240VAC input / 5VDC 2A output
Euro plug (Grace Part # T901)

$35.00 US / export shipping incuded