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Alpine S-W8D4

900W Max (300W RMS) 8" S-Series Dual 4 Ohm Car Subwoofer

Alpine
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• 900 Watts Max
• 300 Watts RMS
• Pulp/ Kevlar Cone
• High-Amplitude Multi-Roll Surround
• Concealed Mount Gasket
• 35mm Underhung Voice Coils
• Progressive Spider with Reinforced Layer Tinsel Leads

Learn more about the sw8d4

Good news and a little bad...

This item has been discontinued

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Alpine S2-W8D4

OUR PRICE: $167.95

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Description


Alpine brand icon

Authorized dealer

General Features:

  • 8" 4 Ohm Type S Series Subwoofer
  • Power Handling:
    • Peak: 900 watts
    • RMS: 300 watts
  • Recommended Power Range: 150 - 300 Watts
  • Kevlar Reinforced Pulp Cone
  • HAMR Santoprene Rubber Surround
  • Progressive Spider with Reinforced Layer Tinsel Leads
  • Compound Radius Curve Extended Pole Geometry
  • Perimeter Vented Frame with Airflow Management System
  • Recommended Sealed Box: 0.30 cubic foot
  • Recommended Vented Box: 0.71 cubic foot
  • 10 AWG Push Terminals
  • 35mm Underhung Voice Coils
  • Concealed Mount Gasket
  • 34oz Ferrite Magnet
  • Top-mount depth: 3-3/4"
  • Cutout diameter: 6-7/8"
  • Frequency Response: 34-200Hz
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty
  • Priced Individually

Product history:

Alpine S2-W8D4 thumbnail
(newest, current model)
Alpine S-W8D4 thumbnail
(previous model, replaced by Alpine S2-W8D4)

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Alpine S-W8D4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine S-W8D4 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Alpine S-W8D4 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Alpine S-W8D4 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
S Series
Subwoofer Size
8"
Peak Power Handling
900 watts
RMS Power Handling
300 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Frequency Response
34 - 200 Hz
Sensitivity
83.4 dB
Xmax (millimeters)
13 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Kevlar/Pulp
Woofer Surround
High Roll Foam
Magnet Structure
Single Stacked
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
0.15 cubic feet
Maximum Sealed Box Volume
0.5 cubic feet
Minimum Ported Box Volume
0.35 cubic feet
Maximum Ported Box Volume
0.7 cubic feet
Top-Mount Depth (Mounting Depth)
3-3/4"
Cutout Diameter
6-7/8"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
48 Hz
Equivalent Compliance (Vas)
7.2 liters
Total Speaker Q Value (Qts)
0.53
Electrical Q Value (Qes)
0.64
Electrical Resistance of Voice Coil (Re)
1.7 ohm
Mechanical Q Value (Qms)
3.17
What is in the box?
Paperwork
User manual
Serial number card
WITB: Subwoofers
Subwoofer
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

S-W8D4

Weight:

10.00lbs

Internal SKU:

sw8d4

Internal Product ID:

153301

Customer Ratings & Reviews


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