Name OS Size Last Update
CD-NT670/CD-NT670D/MCR-N870/MCR-N870D/MCR-N670/MCR-N670D Firmware Update Version 2.14 25.8MB 2019-03-05
Yamaha HiFi USB Driver V2.1.0 for Win10/8.1/8/7 Win 3.9MB 2017-08-31
Name English English
A-670/A-U670 Owner’s Manual [9.9MB]
MusicCast Setup Guide [851KB]
Specification change related to Internet radio [242KB]
Supplement for Napster flyer [504KB]
Supplement for Pandora flyer [104KB]
Supplement for Rhapsody flyer [38KB]
Supplement for Sirius XM Internet radio flyer [218KB]
Supplement for Spotify flyer [1MB]
Additional note about using the USB DAC function with a Mac [168KB]
Reference Information Playing back DSD audio using foobar2000 [974KB]