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  1. Home
  2. Car Audio & Electronics
  3. Car Subwoofers
  4. Car Subwoofer Boxes
  5. Car Subwoofers with a Box (Loaded Sub Boxes)
  6. Sealed Enclosure Boxes with Car Subwoofers
  7. NVX NE81S_S2W8D4

See all parts that fit your 2000 GS300

NVX NE81S w/ Alpine S2-W8D4

Single 8" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.45 Cu. Ft. with Polyfil and NVX Logo w/ 8" S-Series Dual 4-ohms Car Subwoofer

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• 8" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .45 cubic feet
• Premium Black Carpet with Black NVX Logo

Learn more about the ne81s_s2w8d4
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Universal – fits most vehicles.

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List price $315.99
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Description

NVX brand icon

Authorized dealer

NVX NE81S

Single 8" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.45 Cu. Ft. with Polyfil and NVX Logo
Quantity: 1

Product Details:

  • Not compatible with NVX VC-Series Subwoofers
  • 8" Single Sealed Subwoofer Enclosure
  • Made from 3/4" Medium Density Fiberboard (MDF) construction
  • Built with precision CNC technology for exceptional accuracy
  • Pre-lined with Poly-Fil for improved acoustic response
  • Premium Black Carpet with Black NVX Logo
  • Spring Loaded Push Terminals
  • Maximum subwoofer mounting depth: 8-5/8"
  • Subwoofer cutout diameter: 7-3/8"
  • Internal box volume: .45 cubic feet
  • Dimensions: 11.25" D x 11.50" W x 11.50" H
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

Alpine S2-W8D4

900W Peak (300W RMS) 8" S-Series Dual 4-ohm Car Subwoofer
Quantity: 1

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
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Specifications & Details

Subwoofer Specifications
Series
S Series
Subwoofer Size
8"
RMS Power Handling
300 watts
Peak Power Handling
900 watts
Woofer Composition
Polypropylene
Woofer Surround
High-Amplitude Multi-Roll (HAMR)
Sensitivity
82.7 dB
Frequency Response
23 - 215 Hz
Subwoofer Design
Round / Circle
Enclosure Specifications
Box Type
Sealed
Number of Subwoofers
1
Box Style/Shape
Square/Rectangle
Wood Thickness
3/4"
Number of Terminals
1
Terminal Type
Binding posts (banana clip ready)
Box Exterior Color
Black
Box Finish
Carpet
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details

Manufacturer:

NVX

Model Number:

NE81S_S2W8D4

Weight:

23.00lbs

Internal SKU:

ne81s_s2w8d4

Internal Product ID:

229079

Customer Ratings & Reviews

NVX NE81S w/ Alpine S2-W8D4 thumbnail image
2
5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%
Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
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