B & W CWM663 CWM Series 2 Way In Wall System

B & W CWM Series2-way In-Wall system; 1x1" Nautilus™ tube loaded aluminium dome tweeter; 1x6" blue Aramid Fibre cone bass/midrange; Freq Res - 45Hz - 50kHz (-6dB); Sensitivity - 88dB; Nominal impedance - 8Ω; Power - 25W - 150W; Pre-mount Kit - PMK W6; Back Box - BB 6W; Cutout(HxWxD) -11" x 7.2" x 3.7"; Frame (HxW) - 12.4" x 8.7"