Sound Devices Astral TX
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 TX: the current version is v8.40 (August 18, 2026). Go to v8.40
In short — summary by updatemystuff.com
Enables power-on with RF muted and improves receiver-to-transmitter lock speed.
- Power on with RF muted
- Faster receiver-transmitter lock
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 TX v8.20 Firmware Released: October 02, 2025
New
Added ability to wirelessly update Astral TX firmware from an Astral receiver.
Astral TX Switch option ‘GPIO’ changed to ‘Ctrl’. Used to trigger Macros or GPIOs.
Astral TX 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)
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