The Control 47HC features a narrow 75? coverage pattern ideal for use in highly reverberant spaces and high ceiling applications. This focused pattern helps minimize sound reflecting off of room surfaces as well as time arrival anomalies from adjacent loudspeakers resulting in improved speech intelligibility. The Control 47HC features the same sonic character the Control 47C/T and is ideal for busy transit centers or large convention center spaces. Features : Well-Defined Narrow Coverage Pattern Ideal for High Ceilings Provides Improved Sound Quality/Intelligibilityin Reverberant Spaces Proprietary Conical RBI? Technology for Consistent Pattern Control Elegant design fits any d?c Frequency Range : 55 Hz - 17 kHz Power Capacity : 150W program 75W pink noise Sensitivity : 93 dB 1W 1m 70V/100V Taps : 60W 30W15W (7.5W at 70V only) Coverage : Defined 75? conical consistent broadband Nominal Impedance : 8 ohms Component : 6.5 inch (135 mm)woofer 1 tweeter Termination : Screw-down removable )locking barrier strip Included Accessories : C-rings tile rails paint shield cutout templateGrille Suspension Tabs : Three on top panel Dimensions )(Diameter x Depth) : 332mm Diameter x 351mm Diameter Depth (13.1 in x 13.8 in)FeaturesTypeCeiling Single/ PairPair Ceiling SpeakerYes