720w Max 360w Continuous;freq Resp: 27 Hz200 Hz;polypropylene Cone With A Rigid Abs Dustcap To Stiffen The Cone For Greater Mechanical Stability & Lower Distortion;marine Certified Db Series Speakers Are Built Touch To Withstand The Toughest Environments So They Fit All Boat Types; Correct Craft;santoprene Surround Withstands Extreme Temperature Humidity & Exposure To Sunlight;fire-retardant Flat Nomex Spider Allows Extended Linear Motion While Providing Highly Reliable Mechanical & Thermal Stability;double Venting Of The 4-layer Kapton Voice Coil Former Cone/coil Coupler & Pole Piece;klippel Laser Analyzer;single Voice Coil
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