(you may need to upgrade your Cambridge Audio USB product to use v1.67)
- 751R upgrade file
(please contact customer support for 751R upgrade file, quoting 751R serial number) - 851C upgrade file
(please contact customer support for 851C upgrade file, quoting 851C serial number) - DacMagic 100 upgrade file
(please contact customer support for DacMagic 100 upgrade file, quoting DacMagic 100 serial number) - DacMagic Plus upgrade file
(please contact customer support for DacMagic Plus upgrade file, quoting DacMagic Plus serial number)