Product Features10cm 3-way 140W speakers Key Features3-way 3-speaker System100mm P.P Mica cone with fiber texture25mm P.E.I. Balanced Dome Tweeter12mm Cermaic Tweeter140W Peak Input PowerImage Enhancer IV (Patent of KENWOOD since 1987) Speaker FeaturesSpeaker System 3-way 3-speaker SystemSpeaker Type CoaxialPeak Input Power 140WSpeaker Size 100mmSpeaker Cone Design Diamond-Array patternMagnet Type FerritTerminals Slide typeInstallation Capabillity Door/Rear DeckImage Enhancer (Patent of KENWOOD since 1987) Yes, 4th Generation Speaker/woofer SpecificationsPeak Input Power 140WRMS power (CEA spec) 35 WWoofer Cone material P.P. Mica with fiber textureSpeaker Basket SteelSpeaker Surround RubberSensitivity 86dB/W/mFrequency Response 100Hz ~ 22000HzSpeaker Impedance 4ODimensions (W x H x D) 104 x 104 x 65.5mmMounting Depth 43mmMouting Hole Diameter Ø 93mmSpeaker Weight with Grille (pc.) 552grSpeaker Weight w/o Grille (pc.) 496grGross Weight 1300grWeight of Magnet 150gr Midrange Speaker SpecificationsCone Size 25mmCone Type P.E.I. Balanced DomeMagnet Type Ferrite Tweeter SpecificationsCone Size 12mmCone Material CeramicGrilles and Speaker cable included