The SD-651 is designed to meet the performance criteria designated by UL. Its sensing chambers are sealed against back pressure air flow, dirt, and insects.
The SpectrAlert Advance RFPW is a 9.5" x 7" white retrofit plate that covers the footprint of the legacy SpectrAlert wall-mount speaker strobe. Compatible with horn strobe and speaker strobe line.
This best-of-breed mixer amplifier comes with 3-level priority with mute function, 7-band graphic equaliser and 5-zone remote paging microphone. It can be extended by adding an audio mixer and power a