Kenwood KFC-PS3017W 12″Subwoofer

Key Features300mm Polypropylene Cone (PP Cone)400 Rated/RMS Input PowerHigh-ridged Two-piece Diaphragm for solid bassX-motif cap Technology for resonance controlSingle, multi-layered, voice coil.Aluminum bobbin for better thermal conductivityAirflow control for optimal heat raditionStress controlled spiderPush-terminals for easy connectionSealed/Ported installation capabillity Speaker/woofer SpecificationsPeak Input Power2000WRated Input Power400WWoofer Cone materialPolypropylene (PP) ConeCenter Cap Typex-motif capSpeaker BasketSteelSpeaker SurroundFoamSpider TypeStress controlled SpiderSensitivity85dB/W/mFrequency Response29Hz ~ 300HzSpeaker Impedance4ΩDimensions (W x H x D)326 x 326 x 155.4mmMounting Depth137mmMouting Hole Diameter Ø280mmSpeaker Weight4200grSubwoofer ParametersNominal impedance (Z)4ΩDC resistance (Re)3.7ΩResonant frequency (FSO)24.4HzMechanical Q factor (QMS)6.79Electrical Q factor (QES)0.52Total Q factor (QTS)0.483Voice coil inductance (LBM)2.04mHVoice coil diameter (d)50mmForce factor (BL)12.9T/mPeak excursion Xmax5.9mmMoving mass (MMS)152gr.Volume accoustic compliance (VAS)104literPiston Area (SD)0.0512m²Displacement1.2ccSealed box volume35.4literSealed Box Dimensions457 x 362 x 299mm ( 18mm thick MDF)(WxHxD)Vented box volume42.5literVented Box Dimensions590 x 362 x 394mm ( 18mm thick MDF)(WxHxD)Port dimensions (labyrinth) (W x H x L)35 x 324 x 736mm