The JBL Control 47C/T ceiling loudspeaker with extended bass fits a wide variety of applications from restaurants to retail, large casinos, and beyond. From the Manufacturer: The Control 47C/T features extended bass performance with a wide 120° of coverage that allows fewer speakers to cover a large space. Ideal for a wide variety of applications, the Control 47C/T is perfect for settings ranging from restaurant and retail to large casinos and beyond. Features: Proprietary Conical RBI® Technology Provides Wide, Consistent Coverage Flat Frequency Response and Superior Performance Large Backcan for Bass Response to 55 Hz Elegant design fits any décor Specifications: Frequency Range: 55 Hz - 20 kHz Power Rating: IEC System Long-Term Ratings (low-Z direct): 150 Watts Continuous Program Power 75 Watts Continuous Pink Noise (300W peak), hrs Sensitivity: 91 dB (1kHz - 16 kHz) Transformer Taps: 60W, 30W, 15W (7.5W at 70V only) Coverage Angle: 120° conical, constant directivity Impedance: 8 ohms (in bypass mode) Drivers: LF Driver: 165 mm (6.5 in) HF Driver: 25 mm (1 in) Input Connectors: Two removeable locking 2-pin connectors with screwdown terminals. Included Accessories: C-rings, tile rails, paint shield, cutout template, Grille Suspension Tabs: Three, on top panel Dimensions (Diameter x Depth): 305mm Diameter x 259mm Diameter Depth (12.0 in x 10.2 in) Maximum SPL (1m): 110 dB (low-impedance, 116 dB peak) 109 dB (top 70V/100V tap) Color: White Safety Agency: Suitable for use in air handling spaces per UL1480, UL2043, NFPA90 & NFPA 70. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849. Backcan: formed steel (included "blind-mount") Baffle/Rim: ABS baffle with UL94-V0 flame class fire rating. Ceiling Cutout Size: 282 mm Diameter (11.1 in) (cardboard cutout template included) Optional Accessories: MTC-47NC New Construction Bracket MTC-47MR Mud Ring Construction Bracket Plenum Usage: Yes, backcan included