Acoustic Audio R191 5.25-Inch Round 2 Way Speaker (White) Recommended Power: 20-200 Watts 5.25" High Rigidity Polypropylene Cone with Extended Throw Drive Assembly and Butyl Rubber Surround Frequency Response: 45Hz - 22 kHz (+/- 3dB) Efficiency/Sensitivity: 95dB at 1 watt 1 meter Crossover Frequency: 2200 Hz Cutout Size: 6.625" Overall Size: 7.625" Applications include home entertainment in wall and ceiling speaker, home audio surround sound, center channel speaker, sunrooms, atriums, patios, pool decks, spas, home theaters, cinema rooms, bathrooms, kitchens, boats, yachts, office or commercial use