Kef Ci160TS Thin 2 Way Ceiling Speaker

DescriptionNominal Impedance8 OhmSensitivity87dB (2.83V/ 1m)Crossover Frequencies1.7kHzFrequency Response110Hz – 24kHz (±6dB) open-backedDrive UnitsLF: 115mm (4.5in.) Dual layer HF: 25mm (1in.)Recommended Amplifier Power10-100WProduct External Dimensions (H x W x D)Diameter: 222.8 x 222.8 mm (8.77 x 8.77 in.) Depth: 41mm (1.61 in.)Cut-Out Dimensions (H x W)194 x 194 mm (7.64 x 7.64 in.)Ceiling Thickness (Maximum)26mm (1.03 in.)Ceiling Thickness (Minimum)9mm (0.36 in.)Mounting Depth From Surface<36mm (1 7/16 in.)Optional Rough In FrameRIF160SOptional Rear EnclosureRNC160SNet Weight1.05kg (2.31lbs)