Sound Devices Astral HH
firmware v8.30.03
Sound Devices · Released Mar 11, 2026 · First seen Aug 19, 2026
v8.30.03 is not the latest firmware for the Sound Devices Astral HH: the current version is v8.40 (August 18, 2026). Go to v8.40
In short — summary by updatemystuff.com
Adds RF-muted power-on and faster receiver-to-transmitter locking.
- RF-muted power-on capability
- Faster receiver-to-transmitter locking
Written from Sound Devices's release notes, which are printed in full below.
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What's in this update
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
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