B & W CWM7.5S2 CWM Series 2 Way In Wall Loudspeaker

B & W CWM Series 2-way in-wall loudspeaker; 1x1" Carbon Dome high-frequency; 1x5" Continuum cone mid/bass; Freq Res - 45Hz - 28kHz (±3dB); Sensitivity - 86dB; impedance - 8Ω; Power - 25W to 150W; Pre-mount Kit - 7.5W; Cutout(HxWxD) - 13" x 7.4" x 4"; Frame (HxW) - 14" x 8.5"; 3.8Kg.