BluOS Release Notes

Minimum System Requirements

• iOS version 12.0.
• Android version 6.0.
• macOS version 10.15.
• Windows version 10.

Minimum Software Requirements

• BluOS Controller for iOS, version 4.10.0.
• BluOS Controller for Android, version 4.10.0.
• BluOS Controller for macOS, version 4.10.0.
• BluOS Controller for Windows PC, version 4.10.0.

BluOS Releases

BluOS 4.10.13. Released July 14, 2025.

• Fix for radio stations using ICY audio.
• Improvements to presets with defined volume level.
• Dirac updates.

BluOS 4.10.11. Released July 8, 2025.

• Core system refinements.
• Grouping improvements.
• Improved stability.
• Music service updates.

BluOS 4.8.22. Released April 15, 2025.

• Dirac Live Ready support for the Bluesound NODE (Gen 3) & NODE X.
• This release applies to the Bluesound NODE (Gen 3) & NODE X only.

BluOS 4.8.21. Released March 4, 2025.

• DSD support for the Bluesound NODE (Gen 3), NODE X, POWERNODE EDGE, POWERNODE (Gen 3) and PSB Alpha iQ.

BluOS 4.8.19. Released February 5, 2025.

• Updated Dirac Live support for the M66.
• Performance improvements and feature enhancements.
• This release applies to the NAD M66 only.

BluOS 4.8.17. Released January 28, 2025.

• Performance improvements and feature enhancements.

BluOS 4.8.15. Released January 14, 2025.

• Dirac Live Ready support for the Bluesound NODE (Gen 5) & NODE ICON.
• This release applies to the Bluesound NODE (Gen 5) & NODE ICON only.

BluOS 4.8.10. Released December 3, 2024.

• Updates for the Bluesound NODE ICON.
• This release applies to the Bluesound NODE ICON only.

BluOS 4.8.9. Released November 25, 2024.

• Improvements to HDMI Input compatibility on the ROKSAN Caspian.
• This release applies to the ROKSAN Caspian only.

BluOS 4.8.7. Released November 19, 2024.

• Initial support for the Bluesound NODE ICON, CYRUS 40 ST and ROKSAN Caspian.
• Gain control on M66 analog inputs.
• DSD support for the Bluesound NODE ICON, NODE (Gen 5) and NODE NANO.

BluOS 4.6.7. Released October 7, 2024.

• Improved boot timing on the BCS300.
• This release applies to the Bluesound Professional BCS300 only.

BluOS 4.6.6. Released September 30, 2024.

• Improvements to Standby and Trigger In on the M66.
• Auto Sense support for the M66.
• Support for the USB DIRAC microphone on the M10v3.
• This release applies to the NAD M66 & M10v3 only.

BluOS 4.6.3. Released September 17, 2024.

• New MQA Libraries.
• New chassis firmware for the NAD C 399, C 389, C 379 and C 3050.
• Initial support for the Bluesound NODE (gen 5) and NAD C700 V2.

BluOS 4.4.19. Released July 30, 2024.

• Improvements to genre handling on Qobuz, BUGS! and Napster.

BluOS 4.4.18. Released July 23, 2024.

• M66 updates.

BluOS 4.4.17. Released July 16, 2024.

• Support for TIDAL HiRes.
• Improved Amazon Music searches.

BluOS 4.4.12. Released May 29, 2024.

• DIRAC updates.
• This release applies to the NAD M10, M10v2, C389, C399, C 3050, C658 and M33 only.

BluOS 4.4.11. Released May 28, 2024.

• Support for Ukrainian Language.
• Support for WPA3 Wireless.
• Support for the NAD C379 and Bluesound Professional BCS300.
• Updated support for the NAD M66.
• Improved DAC support for Benchmark and Hegel DACs.
• Fixed issue which caused purchased Apple Music AAC tracks to be played at a quieter level.
• Improvements to the 4.0 UI.

BluOS 4.2.10. Released January 16, 2024.

• Improvements for TIDAL & TIDAL Connect.

BluOS 4.2.6. Released December 12, 2023.

• Support for HiRes FLAC over TIDAL Connect.
• Support custom TuneIn stations under 4.0.
• Improvements to playback recovery on digital inputs.
• Updated handling when setting Shuffle to Play Queue content.

BluOS 4.2.2. Released November 20, 2023.

• Updated drivers for LAN Adapters and USB Hubs.
• This release applies to the NAD T758 only.

BluOS 4.2.0. Released November 7, 2023.

• Support for Pandora.
• Support for Presto Music.

BluOS 4.0.5. Released October 31, 2023.

• Improvements to drive management & handling.
• This release applies to the Bluesound VAULT, VAULT 2 and VAULT 2i; NAD M50 and M50.2 only.

BluOS 4.0.4. Released October 23, 2023.

• Improved boot timing for BSP125/BSP200/P100/P125.
• This release applies to the Bluesound Professional BSP125, BSP200 and Bluesound PULSE FLEX and PULSE FLEX 2i only.

BluOS 4.0.3. Released October 24, 2023.

• Improvements to wireless connection methods.
• This release applies to the Roksan Attessa & DALI Sound Hub only.

BluOS 4.0.2. Released October 17, 2023.

• Support for the 4.0 user interface and user customization.
• Updated graphics and branding for streaming services.
• Updated Play Queue logic when adding content for immediate playback.
• Ability to use USB content for local Library.
• Increased maximum group size to 60 Players.

BluOS 3.20.57. Released September 20, 2023.

• Improved acoustics and audio co-efficients for Bluesound PULSE M, including Front Row.
• Initial support for Cyrus Audio Classic STREAM and Stream-XR.
• This release applies to the Cyrus Audio Classic STREAM, Stream-XR and Bluesound Pulse M only.

BluOS 3.20.53. Released June 6, 2023.

• Improvements for NAD C658 digital inputs.
• This release applies to NAD C658 only.

BluOS 3.20.52. Released May 23, 2023.

• Support for Canadian Qobuz accounts.
• Add NAD C658 volume limits.
• Grouping improvements.
• ROON improvements when using External DACs.

BluOS 3.20.49. Released April 25, 2023.

• Initial support for Bluesound NODE X.
• Improved handling when transitioning between different audio formats.
• Updates to ROON initialization.
• This release applies to the Bluesound NODE (gen 3) & POWERNODE (gen 3) only.

BluOS 3.20.46. Released March 7, 2023.

• Dirac calibration updates when using a subwoofer.
• HDMI CEC improvements.
• This release applies to NAD C 3050 LE, C389 C399, M17v2 and T777 only.

BluOS 3.20.45. Released February 28, 2023.

• HDMI improvements for NAD Audio Video Receivers.
• Product support for C 3050 LE.
• Support for QPlay music service.

BluOS 3.20.28. Released November 30, 2022.

• Update for static IP network settings.
• This release applies to NAD CI580, CI580v2; Bluesound Professional B100S, B160S, B170S, B400S, BSP200, BSP500, BSP1000; and Monitor Audio IMS-4 only.

BluOS 3.20.25. Released October 18, 2022.

• Update for local library network share passwords.

BluOS 3.20.21. Released October 05, 2022.

• Support for Bluesound POWERNODE EDGE.
• Support for Bluesound Professional B170S.

BluOS 3.18.10. Released May 25, 2022.

• Update for NAD C658 front panel volume display.
• This release applies to NAD C658 only.

BluOS 3.18.9. Released May 17, 2022.

• Update for NAD M50 CD ejecting.
• Improvements to music library backups.
• Enhancements for grouping of multi-zone players.
• This release applies to Bluesound VAULT, VAULT 2, VAULT 2i; NAD M50, M50.2, CI580, CI580v2; Bluesound Professional B400S; and Monitor Audio IMS-4 only.

BluOS 3.18.7. Released April 26, 2022.

• Support for Bluesound HUB.
• Added balance trim to Bluesound POWERNODE (1st gen), POWERNODE 2, POWERNODE 2i, POWERNODE 2iv2, POWERNODE (3rd gen); NAD M10, M10v2, C700, CI720 and CI720v2; and Bluesound Professional B160S.
• Added more metadata for classical content on Qobuz.
• Added volume limits to NAD C399.

BluOS 3.16.8. Released April 12, 2022.

• Resolve audio output issue.
• This release applies to the SOUNDBAR+ only.

BluOS 3.16.7. Released January 31, 2022.

• Update to vacation mode.
• This release applies to the Bluesound NODE (3rd gen), POWERNODE (3rd gen) and SOUNDBAR+ only.

BluOS 3.16.5. Released January 25, 2022.

• Improved top panel handling for the NODE (gen 3) and POWERNODE (gen 3).
• Adjusted M33 gain when in bridge mode.
• Fix for grouped USB playback cutting off audio at the end of a track.

BluOS 3.16.3. Released December 28, 2021.

• Support USB connected DAC's on the NODE (3rd gen).
• This release applies to the Bluesound NODE (3rd gen) only.

BluOS 3.16.2. Released December 6, 2021.

• Add Audio Clock Trim to audio settings on NODE (3rd gen).
• Update tone controls on M10, M10v2 and M33.
• This release applies to the Bluesound NODE (3rd gen), as well as the NAD M10, M10v2 and M33 only.

BluOS 3.16.1. Released November 23, 2021.

• Support for Dolby Atmos on the SOUNDBAR+.
• New audio settings and profiles for the SOUNDBAR+.
• The addition of Tunify, a commercial music streaming service.
• Roon improvements including a new icon.

BluOS 3.14.31. Released October 13, 2021.

• Support for NAD M10v2 and C700.
• Multi-language support on front panel of C700, M10, M10v2, M33, M50.2, T758v3i, T777v3i and T778.
• Updates to Send Support Request.

BluOS 3.14.28. Released August 10, 2021.

• Support for Roksan Attessa.
• Updates for audio playback when coming out of standby.
• This release applies to the DALI Sound Hub and Roksan Attessa only.

BluOS 3.14.26. Released June 23, 2021.

• Updates to Spotify Connect and TIDAL connect.
• Improve AirPlay2 volume range on DALI Sound Hub.

BluOS 3.14.22. Released June 8, 2021.

• Improve 5GHz WiFi signal strength.
• This release applies to the Bluesound NODE (gen 3), POWERNODE (gen 3) and SOUNDBAR+ only.

BluOS 3.14.20. Released June 1, 2021.

• Support for Bluesound NODE (3rd gen) and POWERNODE (3rd gen).

BluOS 3.14.10. Released April 27, 2021.

• Improve detection of MQA files.
• This release applies to the DALI Sound Hub only.

BluOS 3.14.5. Released April 13, 2021.

• Front Panel touch screen improvements for NAD M10, M33 and T778.
• Fix volume reporting on MDC BluOS players (C368, C388, C390DD, M12 and M32) when using percentage display mode and coming out of standby.
• Update for M50.2 serial port control.
• This release applies to the NAD M10, M33, M50.2, MDC BluOS and T778 only.

BluOS 3.14.3. Released April 8, 2021.

• Grouping update for Amazon Prime music accounts.
• Improvements to Bluetooth quality.

BluOS 3.14.3. Released April 8, 2021.

• Prevent M33 from accidentally entering network standby.
• Update for M50 serial port control.
• This release applies to the NAD M50 and M33 only.

BluOS 3.14.2. Released April 6, 2021.

• Support for SiriusXM and SiriusXM Music for Business.
• Support for Spotify Free.
• Support for Radio Paradise MQA stations.
• Roon improvements for grouping and signal path reporting.
• Updates to TIDAL, Qobuz, Amazon Music and Deezer.
• Improvements to Library indexing for file permissions and handling unreadable audio files.

BluOS 3.12.16. Released March 15, 2021.

• Audio playback improvements for multi-room players.
• This release applies to the Bluesound Professional B400S, NAD CI580, NAD CI580v2 and Monitor Audio IMS-4 only.

BluOS 3.12.15. Released March 11, 2021.

• Front Panel touch screen bug fixes and improvements for NAD M10, M33 and T778.
• This release applies to the NAD M10, M33 and T778 only.

BluOS 3.12.13. Released November 24, 2020.

• New Stereo Surround mode for Bluesound Home Theatre Groups.
• Updates to TIDAL and TIDAL connect to support new MQA content.
• Dirac calibration improvements for the NAD C658, M10 and M33.

BluOS 3.12.9. Released November 4, 2020.

• Update for inputs and settings on NAD M33.
• This release applies to the NAD M33 only.

BluOS 3.12.6. Released October 27, 2020.

• Restore vacation mode on supported players.
• Update BUGS music service.

BluOS 3.12.5. Released October 22, 2020.

• Update for input names on NAD M33.
• This release applies to the NAD M33 only.

BluOS 3.12.2. Released October 20, 2020.

• Support for Bluesound PULSE SUB+.
• Support for TIDAL connect.
• Expand Neil Young Archives access to all countries.

BluOS 3.10.4. Released September 21, 2020.

• Support for Bluesound Professional BSP500 and BSP1000.
• This release applies to the Bluesound Professional BSP500 and BSP1000 only.

BluOS 3.10.3. Released September 1, 2020.

• Increase subwoofer levels on POWERNODE 2 products.
• Improvements to Dirac slot management.
• Other minor fixes.

BluOS 3.10.0. Released August 18, 2020.

• Support for TIDAL My Mix.
• Updated kernel libraries.
• New grouping synchronization.
• More robust WiFi drivers.
• Updated audio libraries.
• Improvements for network stability and power management.

BluOS 3.8.19. Released August 11, 2020.

• Support for MQA streaming of JAZZ RE:FEST ONLINE 2020.

BluOS 3.8.17. Released July 7, 2020.

• Support for Xiami music service.

BluOS 3.8.13. Released May 26, 2020.

• Support for NAD Masters M33 BluOS Streaming DAC Amplifier.
• Support for Monitor Audio IMS-4.
• Support for Neil Young Archives music service.

BluOS 3.8.8. Released March 23, 2020.

• Added Dark Mode front panel display option for the NAD M10.
• Improved Ethernet performance on Bluesound PULSE FLEX players and NAD players with MDC BluOS cards.

BluOS 3.8.3. Released March 4, 2020.

• Custom Channels streaming service for commercial music.
• Support for AirPlay 2 on the NAD M12 and M32 (with MDC BluOS 2i card).
• Allow Powernode products in Home Theatre groups.
• Support for MQA CD ripping.
• Support for MQA CD playback on NAD M50 and M50.2.
• Option to disable rooms on a NAD CI580 or Bluesound Professional B400S.
• Expanded IR Learning capabilities.

BluOS 3.6.15. Released Dec. 10, 2019.

• Updates to Listening Modes and A/V Presets on AVR's.
• Other minor fixes.
• This release applies to the NAD C658, as well as NAD AVR's with the VM130 and VM300 4K HDMI cards only.

BluOS 3.6.14. Released Nov. 26, 2019.

• Added Front Row audio setting to PULSE MINI 2i and PULSE 2i.
• Added microphone input to Bluesound Professional products.
• This release applies to the Bluesound PULSE MINI 2i and PULSE 2, and the Bluesound Professional B100S, B160S and B400S only.

BluOS 3.6.12. Released Nov. 19, 2019.

• Performance improvements and feature enhancements.

BluOS 3.6.6. Released Oct. 29, 2019.

• Updates for IR remote controls.

BluOS 3.6.3. Released Oct. 17, 2019.

• Performance improvements and feature enhancements.

BluOS 3.6.2. Released Oct. 15, 2019.

• Support for IDAGIO classical music streaming service.
• Support for RADIO.com radio streaming service.
• Support for Google Assistant voice control.
• Support for MQA CD ripping on the Bluesound VAULT.
• Support for additional IR settings for Music, TV, and Movie listening modes.
• Support for dedicated volume settings for wired and wireless connected headphones.
• Support for Bluesound Professional products including B100S, B160S, B400S and BSP125.

BluOS 3.4.24. Released Sept. 28, 2019.

• Performance improvements and feature enhancements.

BluOS 3.4.23. Released Sept. 23, 2019.

• Support for Amazon Music HD.

BluOS 3.4.22. Released Aug. 6, 2019.

• Performance improvements.
• This release applies to the NAD VM300 4K Video Module only.

BluOS 3.4.20. Released July 30, 2019.

• Support for AirPlay 2 on the NAD M10.
• Support for AirPlay 2 on the NAD C 658.
• Support for AirPlay 2 on the C 368 with MDC BluOS 2i.
• Support for AirPlay 2 on the C 388 with MDC BluOS 2i.
• Adjustable lip-sync delay and new A/V mode for inputs.
• Mobile app support for Bluesound Professional products.

BluOS 3.4.13. Released June 11, 2019.

• Support for Dirac Live on the NAD C658.
• Improvements to artwork handling for local music libraries.
• New networking manager that monitors player's IP addresses.

BluOS 3.4.6. Released May 8, 2019.

• Updates for external serial port device control.
• This release applies to the NAD M50.2 only.

BluOS 3.4.3. Released April 16, 2019.

• Three new Radio Paradise stations in CD-quality with the ability to skip tracks.
• Support for NUGS.net music streaming service.
• Ability to rename or hide inputs for connected analog/digital devices.
• Improved Bluetooth pairing with enabled devices on supported Bluesound Players.
• Sound quality indicator in the app for Qobuz streamed music and content.
• Support for DTS:X on MDC-equipped AVRs with the AM230 or the AM17.
• Support for Dirac Live on the NAD M10.
• Improved streaming performance and stability for Roon.

BluOS 3.2.13. Released Feb. 25, 2019.

• Improved pairing for PULSE SOUNDBAR players and PULSE subwoofers.
• This release applies to the Bluesound PULSE SOUNDBAR and SOUNDBAR 2i only.

BluOS 3.2.10. Released Jan. 8, 2019.

• Support for the NAD C658 BluOS Streaming DAC.
• Addition of Amazon Alexa voice control.

BluOS 3.2.7. Released Dec. 19, 2018.

• Performance improvements.
• This release applies to the NAD CI580 only.

BluOS 3.0.3. Released Oct. 30, 2018.

• Support for AirPlay 2 on Bluesound 2i Players.
• Program presets and alarm with your favorite playlists from TIDAL.
• Auto-sense support for optical inputs on PULSE SOUNDBAR 2i and POWERNODE 2i.

BluOS 3.0.2. Released Oct. 24, 2018.

• Added HDMI input to IR commands for PULSE SOUNDBAR 2i.
• Improved PULSE SOUNDBAR 2i compatibility with HDMI ARC televisions.

BluOS 3.0.0. Released Oct. 1, 2018.

• Wide, Late Night, and Dialogue audio modes on the PULSE 2i and PULSE MINI 2i.
• Dual analogue line-in support for connecting audio devices to the POWERNODE 2i.
• Improved acoustics and audio co-efficients for select PULSE speakers.
• Qualcomm aptX® HD Bluetooth for two-way hi-res streaming on most Bluesound Gen 2i Players.
• SoundMachine music service for license-free streaming in light commercial environments.
• Enhanced setup wizard eases the process of adding new Players to a network.
• Taihe Music Zone music service bringing millions of songs to listeners (exclusively in China).
• Updated Roon protocol for improved streaming performance and stability.
• Chassis IP control for select BluOS enabled Classic and Masters Series amplifiers from NAD.