The JBL Control 226C/T is a professional quality 6.5" Loudspeaker with HF Compression Driver for superior quality in-ceiling applications. From the Manufacturer: The JBL Professional Control 226C/T is a premium in-ceiling professional loudspeaker designed for applications requiring superior quality sound in ceiling mount applications. Features: Consistent 120° broadband pattern control for exceptional coverage. Coaxial design featuring: Kevlar-reinforced 165 mm (6.5 in) woofer. 25 mm (1 in) compression driver. Extraordinary clarity for speech and vocals with extended frequency response for music. 150 Watts Power Handling. Advanced high-slope crossover network for constant coverage and smooth, natural midrange. Integrated back can with clean, contemporary grille Specifications: Frequency Range (-10dB): 47 Hz - 19 kHz Power Rating: IEC Long-Term System Power Rating: 150 W continuous pink noise (600 W peak), 2 hrs 100 W continuous pink noise (400 W peak), 100 hrs Transformer Taps: 68W, 34W, 17W (& 8.5W @ 70V), plus transformer bypass Sensitivity: 90 dB (1 kHz - 16 kHz) Coverage Angle: 120° conical, constant directivity Drivers: LF Driver: 165 mm (6.5 inch) HF Driver: compression driver, 25 mm (1 inch) coil Dimensions (H x Dia): Ø 330 mm (13 in) round baffle x depth from back of baffle of 246 mm (9.7 in) Net Weight (each): 9.1 kg (20.0 lb) Shipping Weight (pair): 23.9 kg (52.5 lb) Maximum SPL (1m): 112 dB (low-impedance, 118 dB peak) 108 dB (top 70V/100V tap) Impedance: 8 ohms (in direct/bypass setting) Input Connectors: Removable locking connector with screw-down terminals. 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: 307 mm (12.1 in) diameter (cardboard cutout template included) Included Accessories: Press-in Grille, C-Ring, Tile Rails. Optional Accessories: MTC-19NC New Construction Bracket MTC-19MR Mud Ring Construction Bracket Plenum Usage: Yes, backcan included