MS12LB Black + dBM12 Marine Amplifier Bundle
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Rockville
MS12LB Black + dBM12 Marine Amplifier Bundle
MS12LB Black + dBM12 Marine Amplifier Bundle
12" Free-Air Marine Sub, 700W RMS, With 500W RMS Amp, RMWK4 Kit, LED Lighting
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Regular price
$254.90
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$254.90
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Features
- 12" free-air sub with LED accent ring
- 500W RMS marine mono amplifier included
- RMWK4 waterproof amp wiring kit
- Dual 4-ohm coils for flexible setups
- UV, water, and salt resistant build
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1-Year Warranty
What's Included in the box
- MS12LB 12" Black Marine Subwoofer with LED
- dBM12 Marine Mono Amplifier with Bass Remote
- RMWK4 Marine Amp Wiring Kit
SKU: SKU: MS12LB+DBM12+RMWK4
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Product Description
Turn open water into a concert zone with commanding low end. The 12" free-air sub delivers deep, controlled bass without a bulky enclosure, paired with a clean, Class-D mono amp for confident output across decks, center consoles, and cruisers. A black finish and LED glow add refined style, while the marine wiring kit keeps the install neat and reliable.
This Bundle Includes

MS12LB
The MS12L 12" marine subwoofer delivers powerful, deep bass with a double-stacked magnet and 2800W max output. Its waterproof, UV-treated ABS basket and LED lighting combine durability with style, while the free air design and high sensitivity ensure impressive sound in any marine or outdoor setup.
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DBM12
The DBM12 mono marine amplifier delivers 500w RMS at 2 ohms, with a rustproof aluminum build and waterproof protection. Its advanced crossover, subsonic filter, and included bass remote bring precise sound control, making it perfect for boats and outdoor setups.
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RMWK4 V2
The RMWK4 V2 marine amplifier wiring kit delivers premium power and signal transfer with 4 AWG cables, waterproof fuse holders, and corrosion-resistant terminals. Designed for marine durability and easy installation, it’s the complete solution for achieving powerful, reliable audio on any boat or outdoor system.
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Features
Space-Saving Low-End
Free-air architecture and 100 oz magnet provide impactful bass without sacrificing storage or deck space.
Confident, Clean Power
500W RMS Class-D amplification with adjustable filters tailors response for tight, musical performance underway.
Marine-Tough Construction
UV-treated cone, molded ABS basket, and rustproof hardware maintain performance in salt and sun.
Installation Made Easier
Tinned-OFC RCA and 4 AWG power cabling deliver stable current and reduced noise across long boat runs.
Refined Aesthetics
Black finish with LED lighting brings a sophisticated, modern look to premium helm layouts.

Technical Specifications
- Type Marine subwoofer and amplifier bundle
- Subwoofer size 12 in free-air design
- Subwoofer RMS power 700 W (CEA rated)
- Amplifier RMS power 500 W x1 @ 2 ohm
- Impedance Dual 4 ohm (sub), 2/4 ohm stable amp
- Frequency response Sub: 20 Hz–4 kHz; Amp: 15 Hz–250 Hz
- Sensitivity 90 dB (sub)
- Water protection Marinized components, rustproof hardware
- Wiring kit 4 AWG marine install kit included
- Weight Amp: 7.5 lb (approx.)
- Dimensions Amp: 9 x 2.4 x 13.1 in