B & W CCM682 CCM Series 2 Way In Celing Speaker

B & W CCM Series 2-way In-Celing speaker; 1x1" Nautilus™ swirl loaded aluminium; 1x8" blue Aramid Fibre cone bass/midrange; Freq Res - 35Hz - 50kHz (-6dB); Sensitivity - 89dB; impedance - 8Ω; Power - 25W to 150W; Back Box - 6C; Pre-mount kit - C8; Cutout Diameter - 9.8"; Depth - 5.2"; Frame diameter - 11.4"