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Rockville
W65K9D4
W65K9D4
6.5" 250W RMS Dual 4-Ohm Car Subwoofer, Black
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Regular price
$64.95
Sale price
$64.95
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Features
- 6.5" subwoofer with dual 4-ohm voice coils for flexible wiring
- Delivers up to 1000 watts peak power for deep bass
- Cast aluminum basket and ultra-stiff cone for lasting performance
- Includes custom mounting gasket and chrome-plated terminals
- Black sanded finish and rubber boot magnet cover for a premium look
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What's Included in the box
- Rockville W65K9D4 6.5" Dual 4-Ohm Car Subwoofer
- Custom Mounting Gasket
- Chrome-Plated Binding Post Terminals
- Rubber Boot Magnet Cover
SKU: SKU: W65K9D4
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Product Description
The Rockville W65K9D4 is a 6.5" car subwoofer designed to deliver powerful, clear bass in compact spaces. Its dual 4-ohm voice coils and 1000-watt peak power make it ideal for custom car audio builds, daily drivers, or show vehicles. The cast aluminum basket, ultra-stiff cone, and high-grade components provide lasting performance and refined sound quality. With a vented T-yoke for heat dissipation and a custom mounting gasket for airtight installation, this subwoofer adapts beautifully to sealed or ported enclosures. Experience deep, resonant lows and a sophisticated look that elevates your car’s audio and style.
Features
Dynamic Bass Output
Delivers up to 1000W peak power and 250W RMS for deep, resonant lows that fill your car with rich sound.
Premium Build Quality
Features a cast aluminum basket and ultra-stiff cone for lasting durability and efficient performance.
Advanced Heat Management
Vented T-yoke and double-stacked magnet keep the subwoofer cool, supporting consistent, high-output play.
Easy, Airtight Installation
Includes a custom mounting gasket and chrome-plated terminals for secure, airtight, and straightforward setup.
Sophisticated Design
Black sanded finish, reinforced stitching, and custom rubber boot magnet cover combine style with protection.

Technical Specifications
- Type of Product Car Subwoofer
- Peak Power Handling 1000 Watts
- Program Power Handling 500 Watts
- CEA Rated RMS Power Handling 250 Watts
- Voice Coil 2" 4-Layer ASV, OFC Wire, Dual 4-Ohm
- Magnet Double Stacked 66 Oz
- Basket Cast Aluminum, Black Sanded Finish
- Cone Black Non-Pressed Paper, Ultra-Stiff
- Surround Thick Foam
- Dustcap Ultra-Stiff PolyPropylene (PP)
- Frequency Response 52Hz–800Hz
- Sensitivity 82.1dB
- Cutout Diameter 5.94"
- Mounting Depth 4.17"
- Sealed Enclosure Volume 0.14–0.4 cu ft
- Vented Enclosure Volume 0.4–0.7 cu ft
- Weight 9.92 lb
- Dimensions 9.84" x 9.84" x 9.65"
Support
Impedance Vs Frequency
K9 SUBWOOFERS REAL WORLD TESTS & EXPLANATIONS