Our mid car speakers are designed to be very loud and powerful which offers high power handling capability with exceptional sensitivity over the middle frequency band. We wanted to develop a high-power Bass Rocker audio mid range car speaker that offered our customers looking to run a large quantity of this type of speaker a practical solution at an affordable cost, but Without sacrificing quality. That is exactly what this speaker brings to you. With one of the most powerful car speakers on the market now, you can now enjoy crystal-clear sound quality with deep bass speakers for your car.Specification:Nominal diameter: 10 inchNominal impedance: 8ohmRMS Power: 600WMAX Power: 1200WSensitivity (1w/1m): 95dB  3dBFrequency range: 60~4.5 kHzVoice coil diameter: 3 inchVoice coil length: 9/16 inchAir gap height: 5/16 inchThiele&Small Parameters:Resonant frequency, FS: 60HzC.Voice coil resistance, Re: 5.6 ohmMechanical quality factor, Qms: 20.81Electrical quality factor, Qes: 0.35Total quality factor, Qts: 0.34Equivalent air volume to Cms, Vas: 28.22 LMechanical compliance, CmsL 150 uM/NMechanical resistance, Rms: 0.84 Kg/sBL factor, Bl: 6.64 N/AEffective surface area, Sd: 36.6 m MLinear Excursion,Xmax: 1/8 inchMaterials:Basket: Die cast aluminumCone and dust cap: PaperSurround: Treated clothVoice coil wire: CCAWVoice coil bobbin: KaptonMagnet: FerriteMounting Information:Overall diameter: 10 15/32inchBolt circle diameter: 9 27/32inchBaffle cutout diameter: 9 3/8inchDepth: 5 3/16inchNet weight: 6.9 Kg