ALLEN & HEATH Xone:K2 Use and care manual

XK2 DSRN_ Issue 1 XK2_OFW250 11/21 Page 1 of 5
®
! CRITICAL UPDATE !
V2.5.0 OPERATING FIRMWARE
ALLEN&HEATH®

XK2 DSRN_ Issue 1 XK2_OFW250 11/21 Page 2 of 5
This maintenance release implements critical processor updates for your XONE:K2
The bundle includes v2.5.0 Operating Firmware installers for macOS and Windows®PC
Xone Product XONE:K2
Operating Firmware V2.5.0
Operating System: macOS [XK Update V250.app]
Operating System: Windows®PC [K2 Programmer.exe]
Refer to p.5 for software changes
Installing XONE:K2 Operating Firmware
! IMPORTANT !
! IMPORTANT Xone:K2 cannot fully connect with M1 Macs and some PCs running
AMD Ryzen* CPUs, until the controller’s Operating Firmware is updated to V2.5.0
 Use an Intel-based Mac or PC to install the V2.5.0 updater
 Device Drivers do not need to be installed on computers used to run V2.5.0 updater apps
 Go to www.allen-heath.com/ahproducts/xonek2
Click the SOFTWARE tab and expand the OPERATING FIRMWARE menu.
 Download the ‘current’ Operating Firmware bundle:
 XK2_OFW250.zip
 Extract the .zip folder corresponding with your host computer to the system desktop;
 To update from a Mac, use the XK_OFW250_MAC.zip.
 To update from a Windows®PC, use the XK2_OFW250_PC.zip.
 macOS ¦ XK_OFW250_MAC.zip ¦ XK Update V250.app
! Use an Intel-based Mac to run the V2.5.0 Installer .app
 Connect the XONE:K2 directly to the Mac via USB
 Ensure the controller powers ON
 Device Drivers do not need to be installed.
 Open the XK_OFW250_MAC.zip archive
 Double-click on the XK2 Update V250.app to run
the Installer
 Follow the prompts displayed by the app and outlined on page 3 overleaf ...
 Windows® PC ¦ XK2_OFW250_PC.zip ¦ K2 Programmer.exe
! Use an Intel-based Windows® PC* to run the V2.5.0 Installer .exe
 Connect the XONE:K2 directly to the PC via USB
 Ensure the controller powers ON
 Device Drivers do not need to be installed. The PC
prompts when ‘XONE:K2’ is set up and ready to use
 Extract the contents of XK2_OFW250_PC.zip
to a new folder on the desktop
 Double-click on K2 Programmer.exe to run the
Installer
 Follow the prompts displayed by the app and outlined on page 4 overleaf …
PLEASE FOLLOW INSTRUCTIONS FOR INSTALLATION CAREFULLY
XONE:K2 OPERATING FIRMWARE v2.5.0

XK2 DSRN_ Issue 1 XK2_OFW250 11/21 Page 3 of 5
XONE:K2 OPERATING FIRMWARE v2.5.0
Xone Product XONE:K2
Operating Firmware V2.5.0
Operating System: macOS [XK Update V250.app]
Installing XONE:K2 Operating Firmware continued…
Close all Audio and MIDI applications before
running the Updater.
 Click Connect to continue and follow the
instructions onscreen ...
 Click the Update tab to continue
 Installation takes a moment, various messages are displayed during the process …
! IMPORTANT: DO NOT disconnect the XONE:K2 hardware during the update
After the new firmware is installed, the Updater
automatically resets the XONE:K2.
 After the controller has reset, click Close
to exit the Updater.
 The Operating Firmware is now up to date.
XONE:K2 is ready to connect and use with Apple Silicone (M1) and AMD Ryzen hardware.

XK2 DSRN_ Issue 1 XK2_OFW250 11/21 Page 4 of 5
XONE:K2 OPERATING FIRMWARE v2.5.0
Xone Product XONE:K2
Operating Firmware V2.5.0
Operating System: Windows®PC [K2 Programmer.exe]
Installing XONE:K2 Operating Firmware continued…
Close all Audio and MIDI applications before
running the Updater.
 Press OK to run the Updater app.
 Press Yes to continue.
 The current Device Firmware Version
is displayed.
 If the Connected Device Firmware Version
displayed is V2.5.0
 The XONE:K2 Operating Firmware is up to date
! You do not need to continue the Update.
Close the application.
 REBOOT (disconnect / re-connect) the XONE:K2
before further use.
 If the Connected Device Firmware Version
displayed is below V2.5.0
 Click the Yes to continue the update.
 Installation takes a moment, various messages are displayed during the process …
! IMPORTANT: DO NOT disconnect the XONE:K2 hardware during the update
 After the new firmware is installed, REBOOT
the XONE:K2 (disconnect/re-connect) to complete
the update.
 Click OK to exit the Updater.
 The Operating Firmware is now up to date.
XONE:K2 is ready to connect and use with AMD Ryzen and Apple Silicone (M1) hardware.

XK2 DSRN_ Issue 1 XK2_OFW250 11/21 Page 5 of 5
This maintenance release implements critical processor updates for your XONE:K2
Bundle includes v2.5.0 Operating Firmware installers for macOS and Windows PC
Xone Product XONE:K2
Operating Firmware V2.5.0
Operating System: macOS [XK Update V250.app]
Operating System: Windows®PC [K2 Programmer.exe]
Compatible Support Active
Monterey [macOS12]  
Big Sur [macOS11]  
Catalina [macOS10.15]  
Mojave [macOS10.14]  
High Sierra [macOS10.13]  
Windows11 [Microsoft PC]  
Windows10 [Microsoft PC]  
Windows8.1 [Microsoft PC]  
Windows 7 [Microsoft PC]  
XONE:K2 Operating Firmware Software Changelog
V2.5.0
 (R)ECN4866: V2.5.0 Operating Firmware implements compatibility for Apple silicone
(M1) hardware and improvements for USB connectivity issues reported with some
AMD Ryzen* PCs.
 KTWO-35 - FIXED : Enables full-duplex MIDI and audio via USB connection with
Apple silicone (M1) devices for macOS.
 Issue: XONE:K2 cannot fully connect with Apple silicone (M1) computers before
V2.5.0 Firmware is installed.
 Symptoms: XONE controller hardware is listed and passes audio, but not MIDI data.
! Use an Intel-based Mac or PC to install the update
 KTWO-29 - FIXED : Improves USB connectivity with AMD Ryzen* for Windows®PC
 Issue: XONE:K2 does not maintain stable (power) connection with Windows®PCs
on some AMD Ryzen (*5000 Series) chipsets before V2.5.0 firmware is installed.
 Symptoms: PCs may prompt “this device cannot start" code 10 error,
or the host PC continually re-powers the XONE controller
! Use an Intel-based Mac or PC, or other non-AMD Ryzen PC*, to install the update
If you experience a problem during installation, please contact A&H Product Support:
http://support.allen-heath.com
Mac and macOS are trademarks of Apple Inc., registered in the U.S. and other countries
XONE:K2 OPERATING FIRMWARE v2.5.0
PLEASE FOLLOW INSTRUCTIONS FOR INSTALLATION CAREFULLY