Acoustic Audio CS-IW630 300 Watt In Wall 6.5-Inch Speaker 3-Way Home Theater, White 300 Watts Max and 150 Watts RMS Power Handling 6.5" Poly Mica Cone with Extended Throw Drive Assembly and Butyl Rubber Surround, Poly Mica midrange and tweeter Frequency Response: 45Hz - 20 kHz (+/- 3dB) Efficiency/Sensitivity: 93dB at 1 watt 1 meter Crossover Frequency: 3500 Hz Cutout Size: 7.375" X 10.75" Overall Size: 8.875" X 12.25" Applications include Home Entertainment, In-Wall/Ceiling Speaker, Home Audio Surround Sound, Sunrooms, Atriums, Home Theaters or Cinema Rooms, Patios, Pool Decks, Bathrooms or Kitchens, Offices or Commercial Use