Compact Ceiling Loudspeaker with 76 mm (3 in) Full-Range Driver. 68 Hz – 17 kHz bandwidth, wide 130° coverage, 84 dB sensitivity Blind-mount backcan for quick and easy installation, dual conduit/cable clamp for in and thru cables. Combined 15 W multi-tap transformer at 70V/100V and 8O direct setting (20 W). Low profile backcan for shallow ceilings. Black. Sold as each, packed in pairs. International master pack is 2 speakers.