Description Specification Downloads Q Series Product SpecificationSpeaker Type: CeilingTweeter Size (mm): 19Drive Units Description: 130mm (5.25")Speaker Impedance (Ohms): 8Speaker Sensitivity (dB): 87Speaker Frequency High (kHz): 34Speaker Frequency Low (Hz): 45Speaker Max Power (W): 100Speaker Crossover (kHz): 3.8Cut-Out Dimensions: 158x158mmMounting Depth: 77.9mm Width: 18.40 (cm) Height: 18.40 (cm) Depth: 8.40 (cm) weight: 1.40 Description Q Series Product SpecificationSpeaker Type: CeilingTweeter Size (mm): 19Drive Units Description: 130mm (5.25")Speaker Impedance (Ohms): 8Speaker Sensitivity (dB): 87Speaker Frequency High (kHz): 34Speaker Frequency Low (Hz): 45Speaker Max Power (W): 100Speaker Crossover (kHz): 3.8Cut-Out Dimensions: 158x158mmMounting Depth: 77.9mm Specification Width: 18.40 (cm) Height: 18.40 (cm) Depth: 8.40 (cm) weight: 1.40 Colour: White Brand: KEF Downloads