Features Durable Build - The 8” subwoofer has a heavy-duty stamped steel frame housing. It ensures it can withstand the rigors of regular use.pp Cone - Lightweight and rigid, fast response to audio signals. Reproduce clear and accurate sound.wide Frequency - The 8inch subwoofer speaker has a wide frequency response; it reproduces lower frequencies and offers a superior bass response.rubber Surround - Offer amazing flexibility and durability. Move back and forth smoothly in response to audio signals, without distortion or tearing.Subwoofer Specifications:Size : 8 InchSpeaker Type : WooferImpedance : 4 OhmsRMS Power 90WMax Power : 900WMagnet : 90mmMagnet Grade : Y30Magnet Weight : 13OzFrame Material : Steel Voice Coil Size : 1 InchCone : Pp Cone with Rubber EdgePackage Includes: 1x 8Inch Subwoofer