W8K9D2 2-Pack
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Rockville
W8K9D2 2-Pack
W8K9D2 2-Pack
2-Pack 8" 500W RMS Dual 2-Ohm Car Subwoofer,, Black
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Regular price
$194.90
Sale price
$194.90
Regular price
$199.90
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Features
- 8" dual 2-ohm subwoofer delivers 500W RMS
- Ultra-stiff cone and polypropylene dust cap
- Advanced cooling system keeps performance consistent
- Fits sealed or ported enclosures for flexible installation
- Custom mounting gasket and binding post terminals
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SKU: SKU: (2) W8K9D2
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Product Description
The Rockville W8K9D2 is an 8" dual 2-ohm car subwoofer designed to deliver powerful, refined bass in a compact form. With 500W RMS power handling, an ultra-stiff non-pressed paper cone, and a double-stacked magnet, this subwoofer delivers resonant lows and clarity. Its cast aluminum basket and polypropylene dust cap provide durability and a sophisticated look, while advanced cooling and a high BL magnetic motor gap maintain performance during extended sessions. Perfect for custom installations or factory upgrades, the W8K9D2 brings premium sound and style to any vehicle, transforming your drive into an immersive audio experience.
Features
Powerful, Deep Bass
500W RMS power and an ultra-stiff cone deliver rich, resonant lows for a premium listening experience.
Advanced Cooling System
Vented T-yoke and high-grade glue keep the subwoofer cool and reliable during extended sessions.
Durable, High-Quality Build
Cast aluminum basket, double-stacked magnet, and poly cotton spider provide strength, reliability, and lighter weight.
Flexible Installation
Compatible with sealed or ported enclosures, with a custom mounting gasket for a secure, air-tight fit.
Sophisticated Visual Appeal
Sanded finish, black stitching, and custom rubber boot magnet cover create a refined, modern look.

Technical Specifications
- Type of Product 8" Dual 2-Ohm Car Subwoofer
- Peak Power Handling 2000 Watts
- Program Power Handling 1000 Watts
- RMS Power Handling 500 Watts
- Cone Material Ultra-Stiff Non-Pressed Paper
- Dustcap Material Polypropylene (PP)
- Voice Coil 2.5" 4-Layer ASV, OFC Wire, Made in USA
- Magnet Double Stacked 122 Oz
- Basket Cast Aluminum, Black Sanded Finish
- Terminals Chrome-Plated Binding Posts
- Surround Thick Foam
- Spider Poly Cotton
- Impedance Dual 2-Ohm Voice Coils
- Frequency Response 48 Hz – 800 Hz
- Sensitivity 81.2dB
- Cutout Diameter 7.32"
- Mounting Depth 5.91"
- Sealed Enclosure Volume 0.28 – 0.42 cu ft
- Ported Enclosure Volume 0.64 – 0.92 cu ft
- XMAX 10mm
- Weight 18.74 lb
- Dimensions 11.42" x 11.42" x 11.81"
Support
Impedance Vs Frequency
K9 SUBWOOFERS REAL WORLD TESTS & EXPLANATIONS