Alpine 10" 25 cm subwoofer MAX3000W (4 ohm+4 ohm) SWR-10D4

UUS 2012a- mudel.10", 25 cm subwoofer 1000W RMS, MAX3000W (4 ohm+4 ohm)SWR-10D4 - 10′′ (25 cm) Type-R Subwoofer (4Ω + 4Ω)These redesigned fifth-generation Type-R subwoofers include an abundance of enhanced features to achieve staggering power handing capabilities, cleaner output, deeper bass extension and ultra-responsive control than ever before.FEATURESDiaphramMaterial: Oversized Hairline-Textured Mica Poly Dustcap w/Kevlar Reinforced Pulp Paper Cone BodyDesign: 2-Piece ParabolicSurroundMaterial: Injected Molded Santoprene®Design: High Amplitude Multi-Roll H.A.M.R Surround Design (Patent Pending)SpiderMaterial: Conex®Design: 10 Segment High-Roll Progressive DesignVoice CoilMaterial: 180ºC High Temp Wire on Sprial-Cut Aluminum BobbinDesign: 4-Layer Dual Voice CoilMotor StructurePole Geometry: FEA Optimized Design w/ Compound Radius Pole GeometryConfiguration: Radial Vented VC Heat Sink and Airflow Management System (Patent 7,634,101)FrameMaterial: Cast AluminumDesign: Perimeter Vented Heat Transfer (Patent Pending), Integrated Shorting Sleeve and Airflow Management SystemTerminalsLayout: One SidedDesign: Heavy Duty 8 gauge Push with Housing, Banana Plug JumperTinsel LeadsDesign: Reinforced Layer Spider Integration (Patent 6,810,988)GasketDesign: Concealed Mount Gasket SystemSPECIFICATIONSPower HandlingPower Range: 300W - 1000 WattsRMS Power Handling: 1000WPeak Power Handling: 3000WDimensionsMounting Depth: 149mm (5.875′′)Mounting Diameter: 231mm (9.1′′)Displacement: 0.08 cu. Ft.Added Volume: 0.05 cu. ft. (Reverse Mount, Magnet Out)GeneralFrequency Response: 26Hz - 200Hz