K5 W12K5S2 12" Subwoofer + dB11 Amplifier Bundle
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Rockville
K5 W12K5S2 12" Subwoofer + dB11 Amplifier Bundle
K5 W12K5S2 12" Subwoofer + dB11 Amplifier Bundle
12" Car Subwoofer 350W RMS, 350W RMS Mono Amp @ 2Ω, 8 AWG Copper Kit
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Regular price
$157.90
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$157.90
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Features
- 12" sub delivers deep, resonant lows
- 350W RMS mono amp at 2Ω
- Compact Class D design
- 8 AWG copper wiring kit included
- Adjustable LPF and subsonic
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What's Included in the box
- W12K5S2 12" 2Ω Subwoofer
- dB11 Mono Amplifier with Bass Remote
- RWK81 8 AWG Amp Wiring Kit
SKU: SKU: W12K5S2+dB11+RWK81
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Product Description
Create a sophisticated low-frequency layer with a high-efficiency 12" woofer paired to a dyno-rated amplifier. Suited for sedans, SUVs, and custom installations, the system offers powerful, clear sound with smooth extension and confident punch. Precision filters refine response, while copper wiring preserves current for consistent dynamics and a composed, premium listening experience.
This Bundle Includes

W12K5S2
The Rockville W12K5S2 12" 2-Ohm Car Subwoofer delivers powerful, clear bass with 1400W peak power and premium components. Its efficient, fiber-reinforced cone and cast iron basket suit a range of installations, while chrome terminals and a rubber boot magnet cover add both performance and style to your car audio setup.
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dB11
The dB11 Mono Car Amplifier delivers 350W RMS and 1400W peak power, offering dynamic sound for any vehicle. Its advanced technology and included bass remote provide precise control and adaptability, making it perfect for drivers who demand both performance and sophistication in their car audio experience.
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RWK81
The Rockville RWK81 8 AWG Kit powers your car audio system with true-gauge wiring and 100% copper RCA cables. Flexible, durable, and engineered for clean signal transfer, it’s perfect for custom installs or upgrades, ensuring your amplifier runs cooler and delivers pure, powerful sound in any setup.
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Features
Commanding Low-Frequency Presence
12" cone and high BL motor deliver satisfying depth with accurate control.
Power Matched For Clarity
350W RMS at 2Ω aligns with driver capability for balanced output and longevity.
Compact, Cool Operation
Class D topology maintains output while conserving space and heat.
Fine-Grained Tuning
LPF and subsonic controls tailor bass character to your box and cabin.
Reliable Signal Path
8 AWG copper kit and twisted-pair RCAs help minimize loss and interference.

Technical Specifications
- Type of Product 12" Car Subwoofer + Mono Amplifier Bundle
- Subwoofer RMS Power 350 W
- Subwoofer Impedance Single 2Ω
- Amplifier RMS Power @ 2Ω 350 W x1
- Frequency Response (Amp) 15–250 Hz
- Low Pass Filter 50–250 Hz
- Subsonic Filter 15–55 Hz
- Signal-to-Noise Ratio >90 dB
- Dimensions (Amp) 8.9 x 2 x 5.5 in