Bowers & Wilkins CCM362, 2-Way Ceiling Loudspeaker, 1x 25 mm soft dome tweeter, 1x 160 mm polypropylene cone woofer, Frequency range: 50 - 30,000 Hz, Peak SPL: 89 dB, Impedance: 8 Ohm, Recommended amplifier power: 80 W, Frame diameter: 240 mm, Ceiling cutout diameter: 200 mm, Depth (from the surface): 81 mm, Distance to the surface: 4 mm, Colour: Black, White grille included