Pioneer 30cm max 1400W subwoofer TS-W309S4

30cm 4Ω Enclosure-Type Single Voice Coil Subwoofer (1400W)More bass. More power. Greater flexibility.Get powerful, punchy bass in your car – from the pedigree of world record-breaking subs. The TS-W309S4 sub features a IMPP cone, which makes the body ultra-rigid, yet lightweight, giving you low distortion and powerful bass at high sound press levels.Wiring and installation is made easier with one-sided terminals.The TS-W309S4 is recommended for enclosed use and is also available as a dual voice coil model or as a a dual coil model for both enclosed and free-air use.FeaturesMaximum input power1.400 WNominal input power400 WImpedance4ΩFrequency response20 - 220 HzLowest resonance frequency40 HzSensitivity (1W/1m)94 dBWoofer size30 cmWoofer materialIMPP Composite Seamless ConeVoice Coil typeSingleVoice Coil bobbin typeAluminum, diam.2 inch (48mm)Pole Yoke TypeExtended and Vented pole yokeMagnetsDouble-stacked, high powerTerminalsPush-typeRecommended sealed enclosure24,1 - 49,5 litresCut-out Hole283 mm mmMounting Depth153,1 mm mmSurroundDual Layer, Fiber Reinforced Elastic Polymer SurroundThiele/Small ParametersNom. Dia.(In)12Qts0.66 Fs [Hz] 39.5Vas [l]30.14 Vas [ft3]1.07 Xmax [mm]10.4