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Alpine S-W8D4 S-Series 8″ Dual 4 Ohm Subwoofer Car Audio Sub

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$182.85

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Sold & shipped by Elite Electronics
8" Dual Voice Coil High-Performance Subwoofer
  • 8" 4Ω+4Ω Subwoofer
  • Push-type insert terminals
  • Concealed mount gasket system
  • High strength custom steel frames
  • Dual voice coil jumper system
  • Strontium Ferrite double stacked magnets
  • Optional Grilles



  • Diaphram
    • Material: Pulp/Kevlar Cone
    • Design: Reinforced Parabolic Cone Structure with PP/Mica/Talc Dust Cap

  • Surround
    • Design: High Amplitude Multi-Roll (HAMR Surround)

  • Spider
    • Design: Progressive with Reinforced Layer Tinsel Leads

  • Voice Coil
    • Material: 5-Layer DVC Winding on AL Former
    • Design: 65mm Voice Coil with High-Temp
    • High-Excursion Underhung Voice Coil Configuration

  • Motor Structure
    • Pole Geometry: Airflow Optimized Dual Flare Pole Vent
    • Perimeter Venting with Airflow Management System
    • Configuration: Double-Stacked Strontium Ferrite Magnets

  • Frame
    • Material: High Strength Steel Frame

  • Terminals
    • Layout: One Side
    • Design: 8AWG Push Terminals with VC Configuration Jumpers

  • Tinsel Leads
    • Design: Reinforced Layer Spider Integration

  • Gasket
    • Design: Concealed Mount Gasket

  • Power Handling
    • Power Range: 300W-900W
    • RMS Power Handling: 300W
    • Peak Power Handling: 900W

  • Dimensions
    • Mounting Depth: 3-3/4”

  • General
    • Frequency Response: 36Hz-200Hz

    • Recommended Box Enclosures
    • Recommended Sealed Box: 0.30 cubic foot (gross volume)
    • Recommended Vented Box: 0.71 cubic foot (gross volume), 7” x 0.75” vent area, 15.5” vent length


* DISCLAIMER: Design, features and specifications subject to change without notice. Some features in videos on the Internet may not be available on all models, please contact us for the TECHNICAL SPECIFICATIONS for a complete list of features by model. This feature list is for reference only, please contact us to verify features and functionality.

GTIN: 793276242181

Reference ID: 4957083

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