W15K9D4 15" Subwoofer + dB14 Amplifier Bundle
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Rockville
W15K9D4 15" Subwoofer + dB14 Amplifier Bundle
W15K9D4 15" Subwoofer + dB14 Amplifier Bundle
15" Car Subwoofer, 1250W RMS, Sealed 2.03 cu.ft. Box, dB14 Amp, 4 AWG Kit
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Regular price
$412.85
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$412.85
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Features
- 15" K9 V3 sub for deep, room‑like bass
- dB14 mono amp, 1000W RMS @ 2 Ω dyno‑certified
- 2.03 cu.ft. sealed enclosure for accuracy
- 4 AWG copper wiring supports high current
- Complete hardware for pro installation
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What's Included in the box
- W15K9D4 15" dual 4‑ohm subwoofer
- dB14 mono amplifier
- RGS15 sealed 15" enclosure
- RWK41 4 AWG amp wiring kit
- Screws, 14 AWG wire, spade terminals
SKU: SKU: W15K9D4+dB14+RWK41+RGS15+K1
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Product Description
Commanding and composed, this premium bundle adds a luxurious low‑frequency floor to your vehicle. The 15" K9 V3’s reinforced cooling and ultra‑stiff cone deliver deep, resonant lows with striking control. The dB14 amplifier’s dyno‑certified power and advanced filtering shape the substage to your preferences. A sealed enclosure and copper‑rich wiring preserve definition, resulting in sophisticated bass that feels expansive yet precise—an upgrade that looks distinguished and sounds confidently powerful.
This Bundle Includes

W15K9D4
Experience powerful, clear bass with the Rockville W15K9D4 K9 Series 15" Dual 4-Ohm Car Subwoofer. Designed for high performance and visual appeal, it fits sealed or vented enclosures, offering robust sound and lasting durability. Premium materials and thoughtful design make it ideal for elevating your car audio environment.
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dB14
The Rockville dB14 mono amplifier delivers 1000W Dyno Certified RMS and 4000W peak power, offering powerful, clear sound for any car audio setup. With advanced tuning features and premium components, it’s designed for enthusiasts who demand both performance and reliability, making it a standout choice for custom and daily systems.
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RWK41
The Rockville RWK41 4 AWG amp kit delivers exceptional power and signal transfer with 100% copper RCA cables and true-gauge wiring. Its flexible, abrasion-resistant jacket and gold-plated fuse ensure reliable, high-quality performance, making it the perfect choice for car audio upgrades and custom installations demanding premium sound and durability.
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RGS15
The RGS15 single 15" sealed enclosure is expertly crafted in the USA from premium MDF for superior strength and sound quality. Its precision design, gold terminals, and secure construction make it perfect for delivering deep, clear bass in any setup, ensuring your subwoofer performs at its best for years.
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K1
The K1 Single Subwoofer Enclosure Kit brings together premium 14 AWG speaker wire, expertly selected screws, and secure spade terminals for a flawless installation. Designed for home, studio, or car audio, this kit guarantees a clean, powerful connection and a sophisticated setup for true audio enthusiasts.
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Features
Monumental Low-Frequency Presence
Large‑format driver with upgraded thermal design produces impactful, controlled bass with impressive headroom.
Certified High Power
dB14 provides dyno‑verified 1000W RMS @ 2 Ω with extensive tuning to match sealed or ported alignments.
Precision Over Boom
Sealed 2.03 cu.ft. cabinet favors linear response and transient clarity for refined listening.
Premium Materials, Premium Look
Cast basket, non‑pressed paper cone, and PP dust cap offer durability and sleek, modern aesthetics.
Low-Resistance Infrastructure
4 AWG copper wiring and gold‑plated fuse hardware deliver efficient, stable current for cooler operation.

Technical Specifications
- Type 15" car subwoofer + mono amplifier system
- Subwoofer RMS Power 1250 W
- Amplifier RMS Power @ 2 Ω 1000 W
- Enclosure Type/Volume Sealed, 2.03 cu.ft.
- Voice Coil 3" former (dual 4 Ω)
- Frequency Response (Sub) 32 Hz–1.5 kHz
- Sensitivity (Sub) 87.9 dB
- Fuse (Amp) 100 A maxi
- Weight (Sub) 34.17 lb
- Dimensions (Amp) 9" W x 2.4" H x 15.5" L