NVX MVPA4 600W Total RMS 4-Channel Bridgeable Micro Class D Marine Amplifier | IPX67 Waterproof Rating

Meet the NVX MVPA4, a four-channel micro Class D amplifier designed for tight spaces on boats, ATVs, and motorcycles. Despite its postcard-size footprint, it packs serious power and efficiency, delivering up to 400W total RMS when driven at 2 ohms across four channels. Each channel is capable of 50W at 4 ohms or 100W at 2 ohms, offering a flexible path to higher output with compatible speaker loads. This combination makes it a versatile choice for compact audio upgrades in demanding environments.

Compact power for demanding rides

The MVP Series MVPA4 is a true four-channel micro Class D amplifier. Its compact, space-saving design doesn’t sacrifice performance, delivering clear, lively sound across a range of genres while staying cool and efficient. Users can drive multiple speakers with confident headroom, or bridge channels to suit a tight installation without compromising audio quality.

• 4-channel MVP Series Micro Class D amplifier
• 50W x 4 @ 4Ω; 100W x 4 @ 2Ω
• Bridgeable channels for flexible wiring layouts
• Postcard-sized footprint, ideal for dashboards, consoles, or tight compartments

Built for outdoor use and rugged conditions

The MVPA4 carries IPX67 protection, making it well-suited for marine environments, powersports, and motorcycles where splashes and exposure to the elements are part of the ride. The weather-resistant enclosure helps guard against dust and vibrations, so you can rely on steady audio even in less-than-ideal conditions.

• IPX67 waterproof rating for splash resistance and immersion protection
• Rugged construction designed for harsh environments
• Low-profile, compact chassis that fits behind dashboards and fairings

Real-world appeal and flexible installation

Whether you’re upgrading a boat’s cockpit, a side-by-side, or a motorcycle fairing, the MVPA4 offers practical benefits without adding bulk. Its four-channel layout supports multiple speakers, while the bridgeable option enables a tailored system that matches your space and listening preferences. The Class D design helps keep heat generation and power draw modest, which can support longer rides and more reliable performance on the water or on the track.

• Ideal for boat cabins, ATVs, and motorcycles
• Bridgeable channels support customized configurations
• Efficient Class D amplification minimizes heat buildup

Why choose NVX MVPA4

NVX combines reliability with versatility in a compact package. The MVPA4 is designed for users who want meaningful, movable sound in space-constrained installations, with durability to handle outdoor use. It offers practical power options and a robust build without promising guaranteed outcomes—benefits you can realize with proper compatibility and setup.