Audio-GD R2R Firmware V2 Release
Audio-GD released for its R2R products (R2R1; R2R7 and R2R7HE) updated firmwares. The new firmwares will improve the sound in all aspects. We and other people on head-fi forum have been testing this new firmware. A great achievement by Kingwa owner of Audio-GD! Please contact us if you would like your R2R DAC updated. We provide manual; download link and new firmwares on request. Enjoy listening!