Sound Devices Astral ARX16 firmware v8.40

New

Added support for the new Astral Mini Plus transmitter

Quick Setup internal memory slots increased from 4 to 8

Added the capability to set the Astral HH transmitter display color via a DiGiCo macro

Changes

Astral Outpost firmware updates are now started from the System > Firmware Update menu

Audio Output > Global RX Output Gain range is now –20 to 40 dB

Added an RX Power Off confirmation option in Notifications. When enabled, ARX prompts “Are You Sure?” before powering off

In Mirror Mode, the ID button and Local Nexlink Antenna selection a​re now available on the secondary ARX

Loading Factory Defaults now performs a full reset: unpairs all transmitters, restores default settings, and clears internal memory slots

Tone generator is now disabled after a power cycle

ARX now displays Astral TX battery level as a percentage

Added local macro triggering and notifications for testing macro paths

Faster boot time

Fixes

RF On commands from physical transmitter controls now turn off RF on other transmitters assigned to the same receiver channel

RF Off Confirmation now works correctly with multiple transmitters on one RX channel

Ethernet power defaults off when unit powers down (ARX16)

Receiver channels retain last transmitter name after power cycle; clear by toggl​ing RX channel off/on

Improved XLR, lav, and guitar input selection UI in 1RX View and TX List

Secondary receiver shows RF power in Mirror mode

ARX displays a warning if transmitter recording fails (e.g., faulty or misformatted card)

Incoming macros cancel the ARX screensaver

RX channel Aux 2 and 3 outputs now fade in/out when toggled

Internal tone bypasses RX Channel HPF

Fixed missing RX channels in Web App Audio menu

Fixed ARX16 network flooding issue when powered off but plugged in

Web App RX Gain sliders hidden in Audio menu when docked to 8-Series

Firmware Update Guide (HTML) Firmware Update Guide (PDF)