Sound Devices Astral TX
firmware v8.10.01
Sound Devices · Released May 14, 2025 · First seen Jul 20, 2026
v8.10.01 is not the latest firmware for the Sound Devices Astral TX: the current version is v8.40 (August 18, 2026). Go to v8.40
What's in this update
Fixed
Rare audio artifacts when using the balanced input have been significantly reduced.
Astral TX v8.10 Firmware Released: April 23, 2025
New
Added the ‘GPIO’ option for the Astral TX switch. This can be used to trigger GPIO’s from the Astral Opto.
Fixed
Low frequencies no longer cause audible pops on Astral TX balanced inputs.
Fixed an issue where TC LED may inadvertently start flashing after being powered down for several hours.
Fixed an issue where RF and audio are not disabled upon connection to a PC. They should be disabled.
Astral TX 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.
New Settings > System > Miscellaneous Menu that adds On/Off settings for permitting access to Extra High RF power, automatically resuming record when powering up, and automatically powering on when a Lemo input is connected.
Added Aux On/Off - enables the Astral Receiver to re-route received audio from the transmitter to a different output. Ideal for talkback purposes.
Fixed
Swapped position of Pair and Mode settings in the Astral TX menu for quicker access to pairing.
Added RF On/Off toggle in the Astral TX RF menu and removed the ‘Off’ setting from the RF Power menu.
Astral TX v7.70 Firmware Released: July 17, 2024
New
Added 3-Wire Lav Mic Type audio input option.
Fixed
Astral TX ePaper display now always updates battery level upon battery insertion
Very low frequencies no longer cause rare audio clicks.
Astral TX now reconnects more reliably with Astral Remote after putting the app into the background then reopening the app.
The possibility of corrupting recordings when reaching the 4GB limit is now eliminated.
Astral TX v7.64 Firmware Released: May 21, 2024
New
Add support for T&M (Test and Measurement) modulation.
Fixed
Timecode drift after pulling battery or powering down is now fixed.
Auto-resumed recordings after a prolonged period of the transmitter being powered down, no longer result in an invalid timestamp.
Astral Mini does not always power on with Lav connection, is now fixed.
Various system improvements.
Astral TX v7.62 Firmware Released: February 20, 2024
New
Faster NexLink power on/off
Changes
Updates to Country List Data.
Fixed
The Auto-Resume Record when Powering On function now works without having to power down the transmitter first.
The orange remaining battery runtime indicator no longer comes on too soon for certain combinations of battery type and current draw.
Astral TX v7.60 Firmware Released: November 16, 2023
New
Support for the Schoeps CMD42 digital microphone (Astral TX only).
Astral TX v7.52 Firmware Released: August 24, 2023
New
RF on/off toggle switch option
Astral TX v7.51 Firmware Released: August 10, 2023
New
Adds support for 2ch wav recording from AES42 or AES3 inputs types
ID function now includes vibration as well as flashing LEDs.
Fixed
UI Improvements to Input Type selection
Fixed an issue with the transmitter not always remembering power state correctly when removing batteries
Various system improvements
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