XR series Software

Below are the latest software release packages for the XR range of products. Included in each download are the firmware files, change log information and a detailed instruction guide for both PC and MAC users. Please make sure to follow the instructions carefully.

If you experience any problems updating your XR product, please do not hesitate to contact us directly on support@cyrusaudio.com. If you feel uncomfortable updating your Cyrus products, most Cyrus retailers will also happily update your products for you, please call your nearest specialist to check.

IMPORTANT Instructions for PSU-XR owners
The PSU-XR power supply will be shipped with the latest firmware, but you MUST update your host product (i9-XR,Pre-XR,CDi-XR,CDt-XR) to at least firmware v.2.1.

FIRMWARE DOWNLOADS

i7/i9/Pre-XR – Download v.2.5

  • Fix low temperature start-up issues
  • Unit lockup when DAC filter menu navigated

i7/i9/Pre-XR – Download v.2.3

  • LED settings can now be adjusted over MCBUS when using a Cyrus XR series integrated or pre amplifier
  • Fixed dropouts on optical inputs with some digital sources

i7/i9/Pre-XR – Download v.2.1

  • Support for the Cyrus PSU-XR
  • Allows mains errors to be recovered by holding the Standby touch pad for 1 second
  • Updated thermal recovery
  • Fixed Software Version not showing correctly in menu

FIRMWARE DOWNLOADS

CDi/CDt-XR – Download v.2.1

  • Support for the Cyrus PSU-XR
  • Fixed Software Version not showing correctly in menu

FIRMWARE DOWNLOADS

PSU-XR – Download v.1.5

  • Enhancements for 40 Series compatibility

Below is the latest version of the USB driver for the i7-XR / i9-XR / Pre-XR. Included in the download is an instruction pdf and driver files.

USB Driver – Download V5.45