KEF

Release Notes

iOS Android

KEF Connect iOS

31-Mar-2025
iOS Version 1.22.2
  • Minor bug fixes
3-Mar-2025
iOS Version 1.22.1
  • Hotfix for iOS 18.3 related crashes
20-Feb-2025
iOS Version 1.22.0
  • Add support for C3 Remote customisations
  • Add support to disable IR lens on speaker

To take advantage of these new features, please update your speakers to the following firmware versions:
- LS50 Wireless II: Firmware 3.6
- LS60 Wireless: Firmware 2.5
- LSX II: Firmware 2.5
- LSX II LT: Firmware 1.6
30-Jul-2024
iOS Version 1.21.1
  • Changed the name of "Chromecast built-in" to "Google Cast"
  • Introduced a notification dot on the discovery page icon for new content
  • Aligned UI for Reset Volume Settings to provide 5 steps adjustment (previously 1 step per adjustment)
  • Minor improvements, bug and crash fixes
7-May-2024
iOS Version 1.21.0
  • Added support for HighResAudio
  • Various improvements, bug and crash fixes
20-Feb-2024
iOS Version 1.20.1
  • Updated naming of subwoofer presets (for new Kube series and KC92)
  • Added Kube 15 MIE subwoofer presets
  • Updated Deezer logo
  • Various improvements, bug and crash fixes
18-Jan-2024
iOS Version 1.20.0
  • Added support for LSX II LT
  • Minor improvements, bug and crash fixes
12-Dec-2023
iOS Version 1.19.3
  • Enable/disable Auto-switch to TV source for LSX II
  • Reset speaker volume to desired level after speaker goes to Standby
  • Tidal Hi-Res FLAC now supported from KEF Connect app
  • Removed MQA label in TIDAL list view
  • Introduce Hi-Res label for both MQA and Hi-Res Flac files in TIDAL list view
  • Fix macOS crash
  • Minor improvements, bug and crash fixes
15-Nov-2023
iOS Version 1.19.2
  • Contact support from login screen (when user encounters login/create account issues)
  • Minor improvements, bug and crash fixes
11-Oct-2023
iOS Version 1.19.1
  • Fixed white screen on EQ and Volume settings
  • Fixed volume mute issue
  • Fixed subwoofer out no sound issue. Navigate to EQ Settings and switch to Default profile and back to current profile
10-Oct-2023
iOS Version 1.19
  • Enable/disable Auto-switch to TV source for LS50 Wireless II Firmware 3.0
  • Reset speaker volume to desired level after speaker goes to Standby for LS50 Wireless II Firmware 3.0
  • Smart Assistance support now available for all regions
  • Fix app crash with LS50 Wireless II Firmware 3.0
  • Fix current song playing not highlighted in play queue
  • Various improvements, bug and crash fixes
9-Jun-2023
iOS Version 1.18
  • New Discovery page
  • Enable/disable Sound of Life Banner
  • Enable/disable Sound of Life Podcast from Radio/Podcast section
  • Fixed issue removing non-existing radio stations from favourites/home screen
  • Various improvements, bug and crash fixes
24-Mar-2023
iOS Version 1.17.2
  • Minor improvements, bug and crash fixes
31-Jan-2023
iOS Version 1.17.1
  • Minor improvements, bug and crash fixes
13-Dec-2022
iOS Version 1.17
  • Added Smart Assistance support for EU, UK, US region
  • Various improvements, bug and crash fixes
10-Oct-2022
iOS Version 1.16
  • Subwoofer wake-up at start-up now supported for KC62/KF92 with KW1
  • Various improvements, bug and crash fixes
15-Aug-2022
iOS Version 1.15
  • Various improvements, bug and crash fixes
28-Jun-2022
iOS Version 1.14.2
  • Fix issue where previous and next button disappear in main player
27-Jun-2022
iOS Version 1.14.1
  • Support delete account from account profile
  • Minor improvements, bug and crash fixes
23-Jun-2022
iOS Version 1.14
  • Added support for LSX II
  • Various improvements, bug and crash fixes
26-May-2022
iOS Version 1.13.1
  • Minor improvements, bug and crash fixes
18-May-2022
iOS Version 1.13
  • Added support for LS60 Wireless
  • Add custom URL input for Internet Radio station
  • Various improvements, bug and crash fixes
11-Apr-2022
iOS Version 1.12.1
  • Minor bug fixes
21-Mar-2022
iOS Version 1.12
  • Various improvements, bug and crash fixes
13-Dec-2021
iOS Version 1.11
  • Added Dark theme
  • Optimised layout for tablets
  • Add favourite media server to Home screen
  • Added search for media servers that support UPnP search
  • Various improvements, bug and crash fixes
15-Nov-2021
iOS Version 1.10
  • Customise home screen
  • Enable/disable speaker start up tone
  • Various improvements, bug and crash fixes
18-Oct-2021
iOS Version 1.9
  • Add favourite radio stations/podcasts to Home screen
  • Favourite radio stations/podcasts now sync to user account
  • Various improvements, bug and crash fixes
20-Sept-2021
iOS Version 1.8.2
  • Minor bug improvements
9-Sept-2021
iOS Version 1.8.1
  • Fixed app crash at launch
  • Added Speaker Connection Test for determining available network bandwidth
  • Various improvements, bug and crash fixes
22-Jul-2021
iOS Version 1.7.1
  • Added support for the following languages: Traditional Chinese, Simplified Chinese, Japanese, Spanish, Spanish (Mexico) and Portuguese (Brazil)
  • Minor bug improvements
24-May-2021
iOS Version 1.7
  • EQ profiles are now saved to the account, for cross-device access
  • Balance control has been moved to EQ profiles
  • Added German and French support (localisation will follow your device's system language)
  • Improved accessibility of Search and Play Queue features in Music Services
  • Various improvements, bug and crash fixes
9-Apr-2021
iOS Version 1.6 (requires speaker firmware 1.6)
  • Added new Normal EQ mode
  • Create, save and edit multiple EQ profiles
  • Subwoofer presets for various KEF subwoofer models
  • Various improvements, bug and crash fixes
1-Mar-2021
iOS Version 1.5
  • Play Queue support
  • Apple Silicon Mac support
  • Track quality now shown in track info
  • Various improvements, bug and crash fixes
18-Jan-2021
iOS Version 1.4.1
  • Minor bug fixes for Support page
11-Jan-2021
iOS Version 1.4
  • New Support page
  • Improved compatibility when Voice Over is enabled
  • Various improvements, bug and crash fixes
4-Dec-2020
iOS Version 1.3.2
  • Fix layout for iPhone SE that prevent PROCEED button to be displayed on local network permission page
24-Nov-2020
iOS Version 1.3.1
  • Allow for disabling the share of usage data with Google from KEF Connect
  • Various improvements, bug and crash fixes
9-Nov-2020
iOS Version 1.3
  • Media Server support
  • Various improvements, bug and crash fixes
22-Oct-2020
iOS Version 1.2.1
  • Various improvements, bug and crash fixes
12-Oct-2020
iOS Version 1.2
  • Fixed and improved incorrect firmware update status
  • Added subscribe newsletter button in Profile screen
  • Added Standby info on home screen
  • Added alert for disabled/unavailable items in music services
  • Updated second wake-up source display
  • Various GUI improvements
  • Various improvements, bug and crash fixes
07-Oct-2020
iOS Version 1.1
  • iOS14 support
  • Fixed issue on putting speaker into Standby using the Source buttons in remote control section
  • New Standby modes ECO/30/60/none
  • Second source wake up now supported (not supported in ECO mode, only work with firmware version 1.1 or later)
  • Updated user authentication method, users who created account in earlier app version or developer build will need to create new account again
  • Updated MQA indicators (now correctly reflect MQA, MQA Studio, and MQA core)
22-Sept-2020
iOS Version 1.0
  • First release
iOS Android

KEF Connect Android

31-Mar-2025
Android Version 1.22.2
  • Minor bug fixes
3-Mar-2025
Android Version 1.22.1
  • Hotfix for Android 13 related crashes
20-Feb-2025
Android Version 1.22
  • Add support for C3 Remote customisations
  • Add support to disable IR lens on speaker

To take advantage of these new features, please update your speakers to the following firmware versions:
- LS50 Wireless II: Firmware 3.6
- LS60 Wireless: Firmware 2.5
- LSX II: Firmware 2.5
- LSX II LT: Firmware 1.6
30-Jul-2024
Android Version 1.21.1
  • Changed the name of "Chromecast built-in" to "Google Cast"
  • Introduced a notification dot on the discovery page icon for new content
  • Aligned UI for Reset Volume Settings to provide 5 steps adjustment (previously 1 step per adjustment)
  • Minor improvements, bug and crash fixes
7-May-2024
Android Version 1.21.0
  • Added support for HighResAudio
  • Various improvements, bug and crash fixes
22-Mar-2024
Android Version 1.20.2
  • Fix crash on Android 8/9 devices
  • Minor bug fixes
24-Feb-2024
Android Version 1.20.1
  • Updated naming of subwoofer presets (for new Kube series and KC92)
  • Added Kube 15 MIE subwoofer presets
  • Updated Deezer logo
  • Various improvements, bug and crash fixes
18-Jan-2024
Android Version 1.20.0
  • Added support for LSX II LT
  • Minor improvements, bug and crash fixes
12-Dec-2023
Android Version 1.19.3
  • Enable/disable Auto-switch to TV source for LSX II
  • Reset speaker volume to desired level after speaker goes to Standby for LSX II
  • Tidal Hi-Res FLAC now supported from KEF Connect app
  • Removed MQA label in TIDAL list view
  • Introduce Hi-Res label for both MQA and Hi-Res Flac files in TIDAL list view
  • Minor improvements, bug and crash fixes
15-Nov-2023
Android Version 1.19.2
  • Contact support from login screen (when user encounters login/create account issues)
  • Location permissions clarification
  • Minor improvements, bug and crash fixes
14-Oct-2023
Android Version 1.19.1
  • Fixed white screen on EQ and Volume settings
  • Fixed volume mute issue
  • Fixed subwoofer out no sound issue. Navigate to EQ Settings and switch to Default profile and back to current profile
  • Fixed missing cable mode setting when connected to LS60 Wireless
10-Oct-2023
Android Version 1.19
  • Enable/disable Auto-switch to TV source for LS50 Wireless II Firmware 3.0
  • Reset speaker volume to desired level after speaker goes to Standby for LS50 Wireless II Firmware 3.0
  • Smart Assistance support now available for all regions
  • End support notice for deprecated Android 8 and 9
  • Fix current song playing not highlighted in play queue
  • Various improvements, bug and crash fixes
14-Jul-2023
Android Version 1.18.1
  • Fixed Qobuz/Deezer login issue
  • Minor improvements, bug and crash fixes
9-Jun-2023
Android Version 1.18
  • New Discovery page
  • Enable/disable Sound of Life Banner
  • Enable/disable Sound of Life Podcast from Radio/Podcast section
  • Fixed issue removing non-existing radio stations from favourites/home screen
  • Various improvements, bug and crash fixes
23-Mar-2023
Android Version 1.17.2
  • Minor improvements, bug and crash fixes
31-Jan-2023
Android Version 1.17.1
  • Minor improvements, bug and crash fixes
13-Dec-2022
Android Version 1.17
  • Added Smart Assistance support for EU, UK, US region
  • Various improvements, bug and crash fixes
10-Oct-2022
Android Version 1.16
  • Subwoofer wake-up at start-up now supported for KC62/KF92 with KW1
  • Various improvements, bug and crash fixes
15-Aug-2022
Android Version 1.15
  • Fixed search error in Amazon Music
  • Various improvements, bug and crash fixes
27-Jun-2022
Android Version 1.14.1
  • Support delete account from account profile
  • Minor improvements, bug and crash fixes
23-Jun-2022
Android Version 1.14
  • Added support for LSX II
  • Fix issue where firmware update is not running after trigger
  • Various improvements, bug and crash fixes
25-May-2022
Android Version 1.13.1
  • Minor improvements, bug and crash fixes
16-May-2022
Android Version 1.13
  • Added support for LS60 Wireless
  • Add custom URL input for Internet Radio station
  • Various improvements, bug and crash fixes
4-Apr-2022
Android Version 1.12.1
  • Fixed issue where the ‘Now Playing’ info is not updated
  • Various improvements, bug and crash fixes
21-Mar-2022
Android Version 1.12.0
  • Various improvements, bug and crash fixes
21-Dec-2021
Android Version 1.11.0
  • Added Dark theme
  • Optimised layout for tablets
  • Added search for media servers that support UPnP search
  • Fixed search for Amazon Music
  • Various improvements, bug and crash fixes
15-Nov-2021
Android Version 1.10.0
  • Customise home screen
  • Enable/disable speaker start up tone
  • Various improvements, bug and crash fixes
18-Oct-2021
Android Version 1.9.0
  • Add favourite radio stations/podcasts to Home screen
  • Favourite radio stations/podcasts now sync to user account
  • Various improvements, bug and crash fixes
6-Sept-2021
Android Version 1.8.0
  • Added Speaker Connection Test for determining available network bandwidth
  • Various improvements, bug and crash fixes
22-Jul-2021
Android Version 1.7.1
  • Added support for the following languages: Traditional Chinese, Simplified Chinese, Japanese, Spanish, Spanish (Mexico) and Portuguese (Brazil)
  • Minor bug improvements
24-May-2021
Android Version 1.7.0
  • EQ profiles are now saved to the account, for cross-device access
  • Balance control has been moved to EQ profiles
  • Added German and French support (localisation will follow your device's system language)
  • Improved accessibility of Search and Play Queue features in Music Services
  • Various improvements, bug and crash fixes
9-Apr-2021
Android Version 1.6.0 (requires speaker firmware 1.6)
  • Added new Normal EQ mode
  • Create, save and edit multiple EQ profiles
  • Subwoofer presets for various KEF subwoofer models
  • Various improvements, bug and crash fixes
1-Mar-2021
Android Version 1.5.0
  • Play Queue support
  • Track quality now shown in track info
  • Various improvements, bug and crash fixes
15-Jan-2021
Android Version 1.4.0
  • New Support page
  • Fix bug where speaker is offline when launching the app
  • Improved app compatibility for Samsung Galaxy S10
  • Various improvements, bug and crash fixes
1-Dec-2020
Android Version 1.3.2
  • Media Server support
  • Fix crashes for Samsung and Xiaomi devices
  • Minor improvements and bug fixes
24-Nov-2020
Android Version 1.3.1
  • Allow for disabling the share of usage data with Google from KEF Connect
  • Various improvements, bug and crash fixes
9-Nov-2020
Android Version 1.3.0
  • Media Server support
  • Various improvements, bug and crash fixes
22-Oct-2020
Android Version 1.2.1
  • Various improvements, bug and crash fixes
12-Oct-2020
Android Version 1.2
  • Fixed and improved incorrect firmware update status
  • Added subscribe newsletter button in Profile screen
  • Added Standby info on home screen
  • Added alert for disabled/unavailable items in music services
  • Updated second wake-up source display
  • Various GUI improvements
  • Various improvements, bug and crash fixes
07-Oct-2020
Android Version 1.1
  • Fixed issue on putting speaker into Standby using the Source buttons in remote control section
  • New Standby modes ECO/30/60/none
  • Second source wake up now supported (not supported in ECO mode, only work with firmware version 1.1 or later)
  • Updated user authentication method, users who created account in earlier app version or developer build will need to create new account again
  • Updated MQA indicators (now correctly reflect MQA, MQA Studio, and MQA core)
22-Sept-2020
Android Version 1.0
  • First release

LS50 Wireless II Speaker Firmware

20-Feb-2025
Version 3.6
  • Add support for C3 Remote
29-Oct-2024
Version 3.5
  • Fix Spotify Connect issue where no sound comes out when pausing and switching to a new song to play
  • Minor improvements and bug fixes
11-Jun-2024
Version 3.4
  • Fix MQA issue where the song quality was incorrectly displayed
  • Minor improvements and bug fixes
14-May-2024
Version 3.3
  • Update to Google Cast 2.0 (no longer requires Google Home on Android for onboarding the speaker)
  • Minor improvements and bug fixes
30-Jan-2024
Version 3.2
  • TIDAL Connect support for HiRes FLAC (TIDAL MAX)
  • Fix various Bluetooth issues (unable to pair and/or discover)
  • Individual EQ for each source (each source will now save its own EQ profile)
31-Oct-2023
Version 3.1
  • Enhanced Wake sub on start-up behaviour to ensure continuous subwoofer operation, even when audio is played at lower volumes
13-Oct-2023
Version 3.0
  • AirPlay library updated
  • Tidal Connect library updated
  • Spotify library updated
  • Roon Ready library updated
  • Bluetooth version updated to Bluetooth 5.0
  • Various playback improvements and bug fixes
  • Fixed Bluetooth connection issues
  • Fixed Bluetooth no audio when connected
  • Fixed Top Panel Lock not working
  • Improved NAS drive discovery and accessing content
  • Auto-switch to TV source (enabled by default). Addresses the use case, when a user is playing audio e.g. in Wi-Fi source and turns on the TV. The speaker will now automatically switch to the TV source
  • Added UI indication when a non-PCM signal is detected in TV source (volume up blinking)
  • Added overheat UI indication (Wi-Fi source icon, Bluetooth source icon, and Power button blinking - speaker system will start lower the volume to attempt to cool down the speaker)
  • Play queue limit increased up to 1000 tracks
30-Jan-2023
Version 2.7
  • Fixed playback issue with music streaming service/protocol caused by Spotify Connect
  • Fix various HDMI issues with certain TV models
  • Fix bass extension reporting in Roon
  • Fix Bluetooth connection issue for Sony Walkman and similar type devices
  • Fix audio glitch issue at start of track (with MQA and when sample rates change)
  • Various improvements and bug fixes
2-Sept-2022
Version 2.6
  • Fix missing power button in Roon
22-Aug-2022
Version 2.5
  • Force subwoofer on (requires KEF Connect 1.15). KC62/KF92 force wake up via KW1 will be supported in the next release
  • Fix issue where speaker is muted in TV source when turning on TV
  • Updated AirPlay library
  • Updated Spotify library
  • Improved music streaming playback
  • Various Wi-Fi improvements, bug and crash fixes
6-Jun-2022
Version 2.4
  • Various Wi-Fi improvements, bug and crash fixes
7-Apr-2022
Version 2.3
  • Minor bug fixes
6-Dec-2021
Version 2.2
  • Spotify library updated
  • Chromecast library updated
  • TIDAL Connect library updated
  • Various improvements, bug and crash fixes
20-Sep-2021
Version 2.1
  • Fix track skipping issue with Spotify
  • Fix no sound issue with Spotify
  • Various improvements, and bug fixes
19-July-2021
Version 2.0
  • Chromecast library updated
  • AirPlay library updated
  • TIDAL Connect library updated
  • Updated MQA libraries
  • Wi-Fi drivers updated
  • Various network improvements
  • Podcasts now supported on Spotify Connect
  • Fixed Google Cast wake-up time out
  • Improved wake up time, by removing synchronised Primary and Secondary speaker audio output on wake-up
  • Various improvements, and bug fixes

Please note that version 1.9 was skipped
24-May-2021
Version 1.8
  • Improved HDMI connectivity
  • Various improvements, and bug fixes
27-Apr-2021
Version 1.7
  • Roon Ready
  • Various improvements, and bug fixes
7-Apr-2021
Version 1.6
  • Synchronised Primary and Secondary speaker audio output on wake-up
  • Improved firmware update in wireless pairing mode where speaker fails to connect to secondary speaker
  • Fixed Wi-Fi/Bluetooth no audio issue after switching between Wi-Fi and Bluetooth sources whilst playing MQA
  • Various improvements, and bug fixes
8-Mar-2021
Version 1.5
  • Fix firmware update stuck issue on 1.3 and added additional safety measures
  • Improved Play Queue behaviour
  • Updated MQA library
  • Includes all 1.3 improvements and bug fixes
  • Various improvements, and bug fixes

Please note that firmware 1.4 was used to recover speakers that got stuck in firmware 1.3
19-Jan-2021
Version 1.3 (suspended)
  • Fix issue where speaker reports to app that it is still in firmware update after firmware update has completed
  • Fix volume jump when auto-switch to Wi-Fi
  • GoogleCast now supports 96/24 playback for supported applications
  • Improved UPnP Media Server detection
  • Improved HDMI ARC compatibility for LG, Sony and Panasonic TVs
  • Various improvements, and bug fixes
24-Nov-2020
Version 1.2
  • Fixed Wi-Fi LED incorrect status
  • Fix loud subwoofer volume when playing power on feedback tone
  • Fix volume jump when user plugs in secondary speaker while primary speaker is playing
  • Reduced feedback tone volume
  • Improved firmware update status reporting
  • Improved speaker system stability
  • Various music streaming services playback improvements and bug fixes
  • Various Wi-Fi improvements
  • Various improvements and bug fixes
  • Increase additional logging for volume and TV issue
07-Oct-2020
Version 1.1
  • Many improvements and bug fixes
  • Second source wake up is now supported (needs to be enabled via KEF Connect 1.1)
  • Final feedback tones have been implemented
  • Improved DSP
  • Improved system logging
22-Sept-2020
Version 1.0

LS60 Wireless Speaker Firmware

20-Feb-2025
Version 2.5
  • Add support for C3 Remote
29-Oct-2024
Version 2.4
  • Fix Spotify Connect issue where no sound comes out when pausing and switching to a new song to play
  • Minor improvements and bug fixes
11-Jun-2024
Version 2.3
  • Fix MQA issue where the song quality was incorrectly displayed
  • Minor improvements and bug fixes
14-May-2024
Version 2.2
  • Update to Google Cast 2.0 (no longer requires Google Home on Android for onboarding the speaker)
  • Minor improvements and bug fixes
30-Jan-2024
Version 2.1
  • TIDAL Connect support for HiRes FLAC (TIDAL MAX)
  • Fix various Bluetooth issues (unable to pair and/or discover)
  • Individual EQ for each source (each source will now save its own EQ profile)
15-Dec-2023
Version 2.0
  • AirPlay library updated
  • Tidal Connect library updated
  • Spotify library updated
  • Roon Ready library updated
  • Bluetooth version updated to Bluetooth 5.0
  • Various playback improvements and bug fixes
  • Fixed Bluetooth connection issues
  • Fixed Bluetooth no audio when connected
  • Improved NAS drive discovery and accessing content
  • Auto-switch to TV source (enabled by default). Addresses the use case, when a user is playing audio e.g. in Wi-Fi source and turns on the TV. The speaker will now automatically switch to the TV source
  • Added UI indication when a non-PCM signal is detected in TV source (alternating Cyan/Magenta)
  • Play queue limit increased up to 1000 tracks
13-Mar-2023
Version 1.4
  • Fixed playback issue with music streaming service/protocol caused by Spotify Connect
  • Fix Bluetooth connection issue for Sony Walkman and similar type devices
  • Fix audio glitch issue at start of track (with MQA and when sample rates change)
  • Various improvements and bug fixes
03-Oct-2022
Version 1.3
  • Roon Ready
  • Minor Wi-Fi improvements, bug and crash fixes
22-Aug-2022
Version 1.2
  • Force subwoofer on (requires KEF Connect 1.15). KC62/KF92 force wake up via KW1 will be supported in the next release
  • Fix issue where speaker is muted in TV source when turning on TV
  • Fix periodic audio dropout when using TV source
  • Updated AirPlay library
  • Updated Spotify library
  • Improved music streaming playback
  • Various Wi-Fi improvements, bug and crash fixes
30-May-2022
Version 1.1
  • Various Wi-Fi improvements
  • Various improvements and bug fixes
12-May-2022
Version 1.0
  • First release

LSX II Speaker Firmware

20-Feb-2025
Version 2.5
  • Add support for C3 Remote
29-Oct-2024
Version 2.4
  • Fix Spotify Connect issue where no sound comes out when pausing and switching to a new song to play
  • Minor improvements and bug fixes
11-Jun-2024
Version 2.3
  • Fix MQA issue where the song quality was incorrectly displayed
  • Minor improvements and bug fixes
14-May-2024
Version 2.2
  • Update to Google Cast 2.0 (no longer requires Google Home on Android for onboarding the speaker)
  • Minor improvements and bug fixes
30-Jan-2024
Version 2.1
  • TIDAL Connect support for HiRes FLAC (TIDAL MAX)
  • Fix various Bluetooth issues (unable to pair and/or discover)
  • Individual EQ for each source (each source will now save its own EQ profile)
28-Nov-2023
Version 2.0
  • AirPlay library updated
  • Tidal Connect library updated
  • Spotify library updated
  • Roon Ready library updated
  • Bluetooth version updated to Bluetooth 5.0
  • Various playback improvements and bug fixes
  • Fixed Bluetooth connection issues
  • Fixed Bluetooth no audio when connected
  • Improved NAS drive discovery and accessing content
  • Auto-switch to TV source (enabled by default). Addresses the use case, when a user is playing audio e.g. in Wi-Fi source and turns on the TV. The speaker will now automatically switch to the TV source
  • Added UI indication when a non-PCM signal is detected in TV source (alternating Cyan/Magenta)
  • Play queue limit increased up to 1000 tracks
23-Feb-2023
Version 1.4
  • Fixed playback issue with music streaming service/protocol caused by Spotify Connect
  • Fix Bluetooth connection issue for Sony Walkman and similar type devices
  • Fix audio glitch issue at start of track (with MQA and when sample rates change)
  • Various improvements and bug fixes
03-Oct-2022
Version 1.3
  • Roon Ready
  • Increase TV source volume
  • Minor Wi-Fi improvements, bug and crash fixes
22-Aug-2022
Version 1.2
  • Force subwoofer on (requires KEF Connect 1.15). KC62/KF92 force wake up via KW1 will be supported in the next release
  • Fix issue where speaker is muted in TV source when turning on TV
  • Fix issue where volume jumps to 100 in USB source after a short period of no audio
  • Updated AirPlay library
  • Updated Spotify library
  • Improved music streaming playback
  • Various Wi-Fi improvements, bug and crash fixes
23-Jun-2022
Version 1.1
  • Various Wi-Fi improvements
  • Minor DSP update
  • Various improvements and bug fixes
9-Jun-2022
Version 1.0
  • First release

LSX II LT Speaker Firmware

20-Feb-2025
Version 1.6
  • Add support for C3 Remote
29-Oct-2024
Version 1.5
  • Fix Spotify Connect issue where no sound comes out when pausing and switching to a new song to play
  • Minor improvements and bug fixes
11-Jun-2024
Version 1.4
  • Minor improvements and bug fixes
08-March-2024
Version 1.3
  • Fixed intermittent drop-outs on secondary speaker, caused by inaccurate reporting of speaker status
25-Jan-2024
Version 1.2
  • TIDAL Connect support for HiRes FLAC (TIDAL MAX)
  • Fix various Bluetooth issues (unable to pair and/or discover)
  • Individual EQ for each source (each source will now save its own EQ profile)

Please note that firmware 1.1 fixes a firmware update issue, and is used for production only(not available to users)
18-Jan-2024
Version 1.0
  • First release