C4 Toolbox · Audio
Amplifier Relay Trigger
Watches selected audio endpoints and fires a relay when playback starts, with a configurable off delay so amplifiers are not cycled needlessly.
Supports multiple relay groups so each amplifier can follow its own set of rooms.
Specification
- Version
- 2.1.9
- OS target
- 3.1+
- Relay groups
- Up to 8
- Connection
- Local driver
- License
- Per project / Per dealer
- Package size
- 54.6 KB
$29per controller licence
$729unlimited controllers
What it does
- Automatic amplifier power on playback
- Configurable off delay per group
- Manual override commands
- Per-room source watching
Version history
- v2.1.02026-09-14Licence enforcement now blocks programming commands when unlicensed. Retries Agent discovery every 30 seconds at boot and moves to standard version numbering.
- v2.0.12026-08-11Fixed off-delay reset on rapid source changes.
- v2.0.02026-06-06Multiple relay group support.