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Alpine S2-W8D4 - Pair

900W Peak (300W RMS) 8" S-Series Dual 4-ohm Car Subwoofer

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• Peak Power: 900 watts
• RMS Power: 300 watts
• Impedance: Dual 4 ohm
• Carbon Fiber Polypropylene Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 3.71"
• Sensitivity: 82.7 dB

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List price $500.00
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Description


Alpine brand icon

Authorized dealer

Alpine S2-W8D4

900W Peak (300W RMS) 8" S-Series Dual 4-ohm Car Subwoofer
Quantity: 2

Product Details:

  • 8" Dual 4 ohm S Series Subwoofer
  • Power Handling:
    • Peak: 900 watts
    • RMS: 300 watts
  • Carbon Fiber Polypropylene Cone
  • Parabolic cone structure construction
  • High-Amplitude Multi-Roll (HAMR) Surround
  • Polypropylene ceramic dust cap
  • Twist-lock grille system with no patent
  • High strength steel frame for added durability
  • Perimeter venting with airflow management system
  • Compound radius curve extended pole geometry
  • Airflow optimized dual flare pole vent
  • Progressive spider with reinforced layer tinsel leads
  • 1.4" High Temperature Copper Voice coil
  • 5-layer voice coil winding on aluminum former
  • High-excursion underhand voice coil configuration
  • 8-gauge push terminals with VC configuration jumpers
  • 13 mm Xmax
  • 34 oz. Double Stacked Ferrite magnet motor structure
  • Frequency Response: 23 - 215 Hz
  • Resonance Frequency (Fs): 47.9 Hz
  • Sensitivity: 82.7 dB
  • Recommended sealed box volume: 0.15 cubic feet - 0.50 cubic feet
  • Recommended ported box volume: 0.35 cubic feet - 0.70 cubic feet
  • Top-mount depth: 3.71"
  • Cutout diameter: 6.85"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually

PDF IconAlpine S2W8D4 owner’s manual

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Alpine S2-W8D4 - Pair Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine S2-W8D4 - Pair Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Alpine S2-W8D4 - Pair Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Alpine S2-W8D4 - Pair 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
Voice Coil Material
Copper
Voice Coil Diameter
1.4"
Frequency Response
23 - 215 Hz
Sensitivity
82.7 dB
Xmax (millimeters)
13 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Dark Gray
Woofer Composition
Carbon Fiber Polypropylene
Woofer Surround
High-Amplitude Multi-Roll (HAMR)
Magnet Structure
Double Stacked
Magnet weight
34 oz.
Magnet Type
Ferrite
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
0.50 cubic feet
Minimum Ported Box Volume
0.35 cubic feet
Maximum Ported Box Volume
0.70 cubic feet
Top-Mount Depth (Mounting Depth)
3.71"
Cutout Diameter
6.85"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
47.9 Hz
Equivalent Compliance (Vas)
7.5 liters
Total Speaker Q Value (Qts)
0.64
Electrical Q Value (Qes)
0.74
Electrical Resistance of Voice Coil (Re)
3.6 ohm
Mechanical Q Value (Qms)
5.9
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Subwoofers
Subwoofer
Mounting screws (4)
Other Accessory #1
Trim ring (installed)
Other Accessory #2
3" jumper cables (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

S2W8D4_2

Weight:

16.00lbs

Internal SKU:

s2w8d4_2

Internal Product ID:

230371

Customer Ratings & Reviews


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