b w cwm7 5 s2High end 3 way in wall speaker The B&W CWM7. 5 S2 is an in wall speaker designed to deliver reference performance in high end home theater and stereo installations. The 3 way configuration integrates technologies derived from the 700 Series, ensuring extremely detailed, dynamic and natural sound. It is equipped with a 25 mm Carbon Dome tweeter, a dedicated 100 mm (4") Continuum midrange and dual 180 mm (7") Aerofoil woofers, ensuring low range