KRYPTON MF3 White Marine Amplifier + RMWK4 Marine Wire Kit Bundle
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Rockville
KRYPTON MF3 White Marine Amplifier + RMWK4 Marine Wire Kit Bundle
KRYPTON MF3 White Marine Amplifier + RMWK4 Marine Wire Kit Bundle
4-Channel Marine Amplifier, 400W RMS, Includes 4 AWG Marine Install Kit
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Regular price
$174.95
Sale price
$174.95
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Features
- 70W x4 RMS of clean marine power
- IP-friendly build with rustproof metals
- Fully adjustable HPF/LPF/BPF
- Voltage display and PA mic
- Marine-grade 4 AWG kit included
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1-Year Warranty
What's Included in the box
- Rockville KRYPTON MF3 4-Channel Marine Amplifier (White)
- Rockville RMWK4 Marine 4 AWG Amp Install Kit
- Mini-ANL fuse holder and fuses
- PA microphone and mounting hardware
SKU: SKU: KRYPTON MF3 White+RMWK4 V2
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Product Description
Bring refined, powerful sound to open water. This marine-ready amplifier delivers studio-clean output with flexible crossovers for subs, mids, and tweeters, wrapped in a rustproof, conformal-coated chassis. The onboard voltage display and talk-over mic add practical convenience on deck. Paired with a marine 4 AWG kit, it’s a dependable, elegant upgrade for boats and watersport builds.
This Bundle Includes

KRYPTON MF3 White
The KRYPTON MF3 marine amplifier delivers powerful, clear sound and lasting durability for any boat. With a waterproof PCB, rustproof aluminum heat sink, and stainless steel hardware, it’s built for the elements. Adjustable crossovers and an integrated PA system provide flexibility and control for a premium marine audio experience.
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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
Marine-Ready Build
Conformal-coated PCB, aluminum chassis, and stainless hardware resist corrosion for long-term reliability.
Flexible System Design
High-pass, low-pass, band-pass, and subsonic filtering tailor sound for cabins, towers, or subs.
Clean, Dynamic Power
Dyno-rated 70W x4 @4Ω delivers clear mids and sparkling highs that carry across open water.
On-Deck Control
Voltage display and PA mic with talk-over add safety and convenience for captains and crews.
Marine Wiring Included
Water-ready 4 AWG kit with tinned conductors supports stable voltage and a tidy installation.

Technical Specifications
- Product Type Marine amplifier and wiring bundle
- Channels 4-channel Class A/B
- RMS Power 100 W x4 @2Ω; 70 W x4 @4Ω; 200 W x2 bridged @4Ω
- Crossover HPF 15 Hz–4 kHz; LPF 40 Hz–4 kHz; BPF via HPF+LPF
- Signal-to-Noise Ratio >90 dB
- Marine Features Conformal coating; rustproof aluminum; stainless hardware
- Included Wiring Marine 4 AWG kit with mini‑ANL fuse
- Weight Refer to individual components
- Dimensions 13.1 x 8.7 x 2.2 in (L x W x H)