8" Coax Ceiling Speaker with 12?Waveguide. Broadband 120 Coverage. 250 Watts, 45 Hz to 18 kHz Frequency Response, 93 dB Sensitivity. 2412H Compression driver. 12 Round Ported Baffle/Waveguide x 6.3" Deep. UL LISTED Priced as one pack; one pack contains 2 Pieces).