The System Sensor SpectrAlert Advance SPSR-P is an unmarked, red speaker
strobe for wall installation with selectable strobe settings of 15,
15/75, 30, 75, 95, 110 and 115 cd.
The new SpectrAlert Advance
selectable output speaker strobes and dual evacuation speakers can
reduce ground faults and allow faster installation.
SpectrAlert Advance Series of speakers and speaker strobes is designed
to reduce ground faults. The plug-in design allows the installer to
pre-wire mounting plates and dress the wires before plugging in the
speakers. The plastic cover prevents nicked wires by covering exposed
This design also allows faster installations
with instant feedback to ensure that wiring is properly connected,
rotary switches to select voltage and power settings, and 11 field
selectable candela settings for wall and ceiling speaker strobes.
low total harmonic distortion of the SP speaker offers high fidelity
sound output while the SPV speaker offers high volume sound output for
use in high ambient noise applications.