Control 47HC - Ceiling loudspeaker with deeper housing for extended frequency range, 6.5" TT, 1" HT, coaxial, bass reflex housing, 75° dispersion range, 8 Ohm, 150 Watt, at 70/100 Volt, 60/30/15 Watt, 93 dB SPL (1 W/1 m), mounting material, only avai