Sound Devices Astral HH firmware
Sound Devices · Astral HH
Latest firmware for the Sound Devices Astral HH is v8.40 (August 18, 2026).
Changelog
Astral HH firmware changelog
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v8.30v8.30.03Adds RF-muted power-on and faster receiver-to-transmitter locking. -
v8.30first tracked
Firmware history
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Release notes & download
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New
Ability to set the Astral HH transmitter display color from a DigiCo macro
Added dynamic font sizing for transmitter names on the e-paper display. Shorter names now appear larger and make better use of available display area.
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Adds RF-muted power-on and faster receiver-to-transmitter locking. — summary by updatemystuff.com
Release notes & downloadShow release notes Hide release notes
New
Ability to power on an Astral TX or Astral HH with RF muted.
Changes
Faster lock of receiver to transmitter
Astral HH v8.20 Firmware Released: October 02, 2025
New
Added ability to wirelessly update Astral HH firmware from an Astral receiver.
Astral HH control button option ‘GPIO’ changed to ‘Ctrl’. Used to trigger Macros or GPIOs.
Astral HH v8.10.02 Firmware Released: June 05, 2025
Fixed
Supplementary fix to address the elimination of rare audio artifacts when using balanced input (Astral TX only)
Astral HH v8.10 Firmware Released: April 23, 2025
New
Ability to unlock restricted frequencies from Astral receivers that have the necessary Frequency Authorizations installed. Appropriate licenses required
Fixed
Fixed an issue where some micro-SD cards would not complete formatting successfully in the Astral HH.
Fixed an issue where RF and audio are not disabled upon connection to a PC. They should be disabled.
Fixed an issue where Astral HH audio is not always re-enabled after powering off then on whilst connected to a USB power supply.
Fixed an issue where the Astral HH mic head is not detected when its battery is depleted and powering from a USB power supply.
Astral HH v8.00.01 Firmware Released: February 13, 2025
Fixes
Fixed rare issue where using a Control Ring switch could result in low RF output.
Firmware Update Guide (HTML) Firmware Update Guide (PDF) Astral HH v8.00 Firmware Released: December 04, 2024
New
Ability to unlock restricted frequencies from Astral receivers that have the necessary Frequency Authorizations installed. Appropriate licenses required
Show Previous Releases Hide Previous Releases
-
Release notes & download
Show release notes Hide release notes
New
Ability to power on an Astral TX or Astral HH with RF muted.
Changes
Faster lock of receiver to transmitter
Astral HH v8.20 Firmware Released: October 02, 2025
New
Added ability to wirelessly update Astral HH firmware from an Astral receiver.
Astral HH control button option ‘GPIO’ changed to ‘Ctrl’. Used to trigger Macros or GPIOs.
Astral HH v8.10.02 Firmware Released: June 05, 2025
Fixed
Supplementary fix to address the elimination of rare audio artifacts when using balanced input (Astral TX only)
Astral HH v8.10 Firmware Released: April 23, 2025
New
Ability to unlock restricted frequencies from Astral receivers that have the necessary Frequency Authorizations installed. Appropriate licenses required
Fixed
Fixed an issue where some micro-SD cards would not complete formatting successfully in the Astral HH.
Fixed an issue where RF and audio are not disabled upon connection to a PC. They should be disabled.
Fixed an issue where Astral HH audio is not always re-enabled after powering off then on whilst connected to a USB power supply.
Fixed an issue where the Astral HH mic head is not detected when its battery is depleted and powering from a USB power supply.
Astral HH v8.00.01 Firmware Released: February 13, 2025
Fixes
Fixed rare issue where using a Control Ring switch could result in low RF output.
Firmware Update Guide (HTML) Firmware Update Guide (PDF) Astral HH v8.00 Firmware Released: December 04, 2024
New
Ability to unlock restricted frequencies from Astral receivers that have the necessary Frequency Authorizations installed. Appropriate licenses required
Show Previous Releases Hide Previous Releases
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