
About this product
Replacement indoor siren for GT10WC - loud 110dB alert with simple plug-in jack.
Keep your home in harmony - when your alarm triggers, this siren makes sure you hear it loud and clear.
A simple replacement part that brings your system back to full strength.
Plug-in 12V indoor siren replacement for GT10WC (110dB).
Compatibility (Important)
Works with the GT10WC Smart Alarm Panel as a wired indoor siren (12V jack connector).
Not a wireless (433MHz) siren - it plugs into the alarm panel.
Local support + setup help available.
Not sure if this is the right replacement? Message us a photo of your panel’s siren port / plug - we’ll confirm before you buy.
Why You'll Love It:
Brings your alarm back to “loud” – ideal replacement when the original siren stops working.
Strong 110dB indoor alert – helps ensure you hear the alarm across the house.
Simple plug-in connection – 12V jack connector makes setup quick and tidy.
Easy placement – adhesive backing + wall-mount option for flexible install.
Reliable wired power – stable connection directly to the alarm panel (no pairing).
Perfect spare to keep on hand – because alarms always break at the worst time.
Mini FAQ
Q: Is this siren wireless (433MHz)?
A: No - this is a wired indoor siren that plugs into the GT10WC panel using a 12V jack connector.
Q: Does this siren work by itself?
A: It needs an alarm panel (like the GT10WC) to trigger it. It’s a replacement/add-on siren, not a standalone alarm.
Q: How loud is it?
A: It’s rated at 110dB, designed for strong indoor alerting.
Q: Is this included in the GT10WC starter kit?
A: Yes, the kit normally includes a siren - this listing is mainly for replacement if yours stops working.
Q: How do I know it will fit my panel?
A: Message us a photo of your panel’s siren port/plug and we’ll confirm compatibility before you buy.