Description Specification Downloads Q Series Product SpecificationSpeaker Type: CeilingTweeter Size (mm): 19Drive Units Description: 100mm (4")Speaker Impedance (Ohms): 4Speaker Sensitivity (dB): 88Speaker Frequency High (kHz): 27Speaker Frequency Low (Hz): 80Speaker Max Power (W): 50Speaker Crossover (kHz): 3Cut-Out Dimensions: 112x112mmMounting Depth: 72mm Width: 12.70 (cm) Height: 12.70 (cm) Depth: 7.60 (cm) weight: 0.67 Description Q Series Product SpecificationSpeaker Type: CeilingTweeter Size (mm): 19Drive Units Description: 100mm (4")Speaker Impedance (Ohms): 4Speaker Sensitivity (dB): 88Speaker Frequency High (kHz): 27Speaker Frequency Low (Hz): 80Speaker Max Power (W): 50Speaker Crossover (kHz): 3Cut-Out Dimensions: 112x112mmMounting Depth: 72mm Specification Width: 12.70 (cm) Height: 12.70 (cm) Depth: 7.60 (cm) weight: 0.67 Colour: White Brand: KEF Downloads