Sirens
The Siren is one of the most important items of your alarm system - the audible
sounder! The purpose of the siren is two-fold:
- To alert the homeowner that someone is attempting entry
- To alert the intruder that the homeowner, neighbors and police are now
fully aware of their actions
Ademco offers several siren configurations: Interior, Exterior, and now a totally
wireless model for fast install.
Ademco 748 Hi-Power Interior/Exterior Siren (wired)

Dual Tone Siren
- Extremely loud (119db)
- Smaller - mounts directly to wall or 4 electrical box
- Dual tone output - steady and warble
- Ready to mount - no disassembly required
- Tamper proof and weather resistant
- Attractive, can be used indoors or outdoors
- Snap on trim ring conceals screws
- Self Contained Indoor Siren
- At 119 db, the 748 is the loudest self-contained siren you can buy today.
The fully tampered and weather-resistant 748 mounts directly to a 4"
electrical box or wall -- eliminating the need for a cabinet. Priced below
other sirens, the compact design of the attractive 748 makes installation
easier than ever before -- indoors or out.
- Not compatible with LynxPlus system
- External power supply and relay module may be needed on some Vista
panels depending on existing system load. See Power Supplies for
more info.
The ASC Edge
- Significantly louder 119db output
- Smaller...mounts directly to wall or standard 4" electrical box
- Dual tone output...steady and warble
- Ready to mount...no disassembly required
- Tamper proof and weather resistant
- Attractive, can be used indoors or outdoors
Spec Sheet
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