Type: In-Ceiling Speaker, Design: 2 Way with angled transducers, Transducer Size : 1 x 6" Coaxial Speaker, Amplifier Power: 70 watt, Nominal Impedance: 8Ω, Sensitivity : 91dB, Frequency Response : 70Hz -20kHz,Outer Dimensions: 135mm depth x 207mm dia, Cutout Dimensions:210mm, Weight:2.45kg, Grille : Magnetic