Two-Way 165 mm (6.5 in) Co-axial Ceiling Loudspeaker. 165 mm (6.5 in) high output driver with polypropylene cone and butyl rubber surround and 19 mm (3/4 in) soft-dome liquid-cooled tweeter, 62 Hz 20 kHz bandwidth, 110° coverage, high 91 dB sensitivity. Blind-mount backcan for quick and easy installation, dual conduit/cable clamp for in and thru cables. Combined 30 W multi-tap transformer at 70V/100V and 8 direct setting (50 W). White. Sold as each, packed in pairs. International master pack is 2 speakers.