HED 10 DVC 2 800W MAX 200W RMS800W Max 200W RMS DVC 2 ohmStamped Steel Slim Mount Frame With Encapsulated MotorVented Motor Structure For Optimal Thermal Heat DissipationPoly Cotton Spider With Spaced Woven In Tinsel WiresOversized Parabolic Dustcap For Extreme RigidityUnimount Gasket Surround Family