The FS2P is a dedicated pendant model with a full-range 2.25- inch transducer, low frequency range down to 83 Hz, and sensitivity of 87 dB SPL / 1W @ 1m. Safety Agency Certification: EN 54-24: 2008 for Voice Alarm Systems, UL 1480 UUMW, CAN/ULC-S541 UUMW7 for Speakers for Fire Alarm and Signaling Systems. I also have a compatible Bose amp on the page
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