The TOA BS-680U is a 6" wall mount box speaker designed specifically for emergency broadcasting needs. Its innovative design uses the Golden Ratio for optimal aesthetics and functionality. Certified as a Fire Alarm Signaling Speaker, it meets UL 1480 UUMW and ULC-S541 standards for reliable performance. The speaker features a robust all-metal construction, ensuring durability. Installation is quick and versatile, supporting both horizontal and vertical setups as well as flush or surface mounting. Enhance your emergency communication system with this dependable speaker. Order yours today!