MS12LB+KTA-30MW BOAT
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Rockville
MS12LB+KTA-30MW BOAT
MS12LB+KTA-30MW BOAT
12" LED Marine Sub With Compact 600w Mono Amp
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Regular price
$404.90
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$404.90
Regular price
$449.99
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Features
- 12" 2800w black marine free air subwoofer
- Compact 600w mono amp powers the subwoofer
- IP66-rated amplifier handles marine conditions
- Free air design saves box space on your boat
- LED lighting adds nighttime visual appeal
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What's Included in the box
- Rockville MS12LB 12" black marine free air subwoofer with LEDs
- Alpine KTA-30MW 600w mono Class-D amplifier
SKU: SKU: MS12LB+KTA-30MW BOAT
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Product Description
Crafted for boats and open cockpits, this system pairs a 12"" 2800w black marine free air subwoofer with LED lighting and a compact 600w mono amplifier. The MS12LB sub adds room-filling low-end presence that standard speakers cannot match, while the KTA-30MW amp uses Dynamic Peak Power to keep bass lines strong and controlled. IP66 weather resistance, marinized materials, and a rugged ABS basket protect your investment in harsh conditions. The compact amp footprint simplifies installation in tight spaces, delivering powerful bass without sacrificing storage or legroom.
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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KTA-30MW
The Alpine KTA-30MW is a compact, weather-resistant mono amp built to drive serious subwoofer bass in open-cab vehicles. Dynamic Peak Power (D.P.P.) delivers quick bursts for musical peaks, keeping output strong and controlled. IP66 protection suits exposed installs in UTVs, boats, and bikes.
Features
Oversized Marine Bass Driver
12" free air sub packs 2800 watts peak power for immersive low-end impact across decks and swim platforms.
Compact 600w Amplifier
Small-footprint mono amp supplies up to 600 watts peak while fitting under dashes, in lockers, or tight helm spaces.
Dynamic Peak Power Control
Amplifier technology adjusts to musical demands, delivering energetic, articulate bass with reduced clipping.
Marine-Grade Resilience
IP66-rated amp and fully marinized sub construction stand up to spray, UV, and vibration on the water.
LED Styling For Night Cruises
LED illumination on the black 12" cone adds a sophisticated glow that complements evening outings.
Technical Specifications
- Product type Marine bass package: 12" LED free air sub and mono amp
- Subwoofer power 2800 W peak / 1400 W program RMS / 700 W RMS
- Amplifier power 300 W RMS x1 (2/4 ohm), 600 W peak
- Weather rating IP66 amplifier; fully marinized sub components
- Impedance Sub dual 4 ohm; amp stable at 2/4 ohm
- Construction ABS basket, polypropylene cone, rubber surround
- Frequency response (sub) 20Hz–4kHz
- Amp dimensions 9-3/16" W x 1-5/8" H x 3-3/4" D
- Amp weight N/A
- Sub dimensions Total diameter 12.8", mounting depth 6.1"