Pure Resonance Audio SD4 SuperDispersion Ceiling Speaker Array

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The Pure Resonance Audio SD4 SuperDispersion® omnidirectional drop tile ceiling speaker array takes speaker performance to a new level by greatly improving speech intelligibility a nd providing powerful crystal clear music reproduction with 360° of powerful audio coverage. Each SD4 array can replace multiple conventional ceiling speakers, simplifying and reducing installation time and cost while optimizing performance. Its high-performance sound and operational versatility make it an ideal solution for music, announcements, and paging in classrooms, churches, retail stores, restaurants, schools, universities, government buildings, and military facilities. The SD4 is extremely easy and quick to install - simply remove one ceiling tile, drop the speaker into any standard drop-ceiling grid, attach your wire and safety cables, and you're done. Show more