Peak Input Power 120WMaximum Input Power 40WRated Input Power 20WWoofer Cone material Injection P.P.ConeSpeaker Basket SteelSpeaker Surround ClothSensitivity 90dB/W/mFrequency Response 45Hz ~ 22000HzSpeaker Impedance 4ΩDimensions (W x H x D) 133 x 133 x 62.3mmMounting Depth 41.9mmMouting Hole Diameter Ø 93mmTweeter Height 7.7mmSpeaker Weight with Grille (pc.) 345gmSpeaker Weight w/o Grille (pc.) 302gmGross Weight 900gmWeight of Magnet 100gm