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

Brand: Alpine
Model Number: S-W8D4
UPC: 793276242181
Alpine
Model Number: S-W8D4
UPC: 793276242181

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

  • 300 Watts RMS and 900 Watts Peak
  • Frequency Response: 34Hz-200Hz
  • Mounting Depth: 3 3/4-inch
  • Impedance: 4 Ohm
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Product Description

Features & Specifications

Documents

Warranty

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

The Alpine S-W8D4, a newly released S-Series subwoofer with lots of technical improvements. It sports 900 watts of power with a Dual 4-ohm impedance. Elegant looking 8 inch diameter will surely provide you the bass you need.

Great bass in less space

To create great bass, you need the best in materials and engineering. Alpine’s S-Series subwoofers apply technology from their higher end subs to bring you the depth and punch that’ll make your tunes come alive. And to make things even better, these subs are about an inch shallower than their predecessors, making them great candidates for locations where regular high-power subs won’t fit.

Advanced materials

The S-W8D4 8″ subwoofer can handle up to 300 watts RMS, so you can drive it hard without any worries. The tough Kevlar® treated cone stays rigid under pressure, while its rubber High Amplitude Multi-Roll (HAMR) surround enables maximum excursion for impressive performance. Its dual 4-ohm voice coils allow for extra wiring flexibility, which helps if you plan on adding another subwoofer down the line. Also, it rocks in both sealed and ported boxes, so you can choose an enclosure that suits your tastes.

Add Bass to Practically Any Vehicle

Don’t think you have room for a subwoofer? Think again. The new S-W8D2 and S-W8D4 8” S-Series subwoofers have a shallow mounting depth of just 3-3/4” and can be used in a sealed box enclosure as small as .15 cubic foot. It is perfect for under seats, behind rear bench seats in trucks, or even in some door applications.

600W Power Handling

The 8” S-Series subwoofers are engineered with an improved voice coil allowing the woofer to benefit from it’s power rating of 300 watts. Match them with the powerful VPower MRV-M500 mono amplifier for a great subwoofer system.

Custom-Stamped Steel Frame

Each S-W8D4 subwoofer uses a custom-stamped steel frame. These high-strength frames were designed to withstand the rigors of the improved S-Series motor. They have frame leg vents as well as a vented back plate to help cool the subwoofer voice coil and motor parts, plus a shallow design to help fit in smaller spaces.

Push-Type Insert Terminals with Dual Voice Coil Jumper System

The push-type insert terminals help reduce the installation time of the S-W8D4 subwoofers. Just strip the speaker insulation at the wire end, then insert the bare wire into the hole of the spring-loaded push terminal.

Strontium Ferrite Double-Stacked Magnets

The S-Series subwoofers use two strontium ferrite magnets stacked together, for increased motor strength and excursion which ultimately leads to more bass output.

Clean, Concealed, Mount Gasket System

The S-Series subwoofers have concealed mount gaskets, creating a clean, finished appearance for any vehicle.

Optional Grilles

All S-Series subwoofers are compatible with optional grilles (sold separately) to provide added protection to the cone. The grilles feature a mesh design with a S-Series logo badge. Choose from the following to match the size of your subwoofer; all grilles are sold as single pieces.

  • KTE-8G: For 8” S-Series Subwoofers
  • KTE-10G.2: For 10” S-Series Subwoofers
  • KTE-12G.2: For 12” S-Series Subwoofers
Brand Alpine   Model Alpine S-W8D4
Product: Alpine S-W8D4 S-Series 8" Dual 4-Ohm Car Subwoofer
Specifications

Size: 8 -inch
Impedance: 2 ohms
Cone Material: Kevlar-Reinforced Pulp
Surround Material: Rubber
Ideal Sealed Box Volume (cubic feet): 0.3
Ideal Ported Box Volume (cubic feet): 0.71
Free-Air: No
Dual Voice Coil: Yes
Sensitivity: 83.4 dB at 1 watt
Frequency Response: 34 – 200 Hz
Max RMS Power Handling: 300
Peak Power Handling (Watts): 900
Top Mount Depth (inches): 3 3/4
Bottom Mount Depth (inches): 4 3/8
Cutout Diameter or Length (inches): 6 15/16
Vas (liters): 7.2
Fs (Hz): 48
Qts: 0.53
Xmax (millimeters): 13

What's in the box

Alpine S-W8D4 owner's manual
One 8" Dual 4-ohm voice coil subwoofer
1 Rubber concealing ring (installed)
Two 3" jumper cables (each has a single banana connector on each end)
Subwoofer Application Guide (English/ French)
On-line product registration information (English/ French/ Spanish)
Warranty information (English/ French)
Important Notice! (English/ French)

Car Subwoofer Features

Dual Voice Coil

Car Subwoofer Size

8"

RMS Power

201 to 400 Watts

Impedance

2 Ω

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Alpine Canada 1 Year Limited Warranty

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