JBL CSS8008 Commercial Series 15-Watt 8' Ceiling Speaker White

One round ceiling speaker, 8 inch driver. 5-watt multi-tap transformer for 100V, 70V and 25V distributed lines. High sensitivity 96 dB for maximum sound level, even at low tap settings. Continuous Power Handling - 15 Watts. Single speaker (not a pair).
Pre-assembled speaker / transformer / grille assembly. For added convenience, code-ratings, and sound control, optional matching back cans (CSS-BB8) made of zinc-plated steel with a powder-coated finish are available. Other Compatible Backcans - MTC-81BB8 (0.26 cu ft). MTC-200BB6 (0.5 cu ft). MTC-300BB8 (1.0 cu ft). Larger cans allow deeper bass.
Wide 120 degree conical coverage. Very high 96dB sensitivity provides maximum sound levels using minimal amplifier power.
Suitable for most paging or background music applications, including retail stores, restaurants, offices, schools, and other facilities.
High quality triple-voltage transformer (100V, 70V and 25V). Bolt Mounting Circle to Backcan: 4 points on 11.25 inch diamet