Package Includes: (4) Rockville MS525B 5.25" 200 Watt Waterproof Marine Boat Speakers 2-Way Black Powerful Marine Audio Performance: The Rockville MS525B delivers a combined 800-Watts peak output (200-Watts each), producing crisp highs and deep mids ideal for open water listening. Featuring a 5.25" injection-molded polypropylene cone and 1" PEI tweeter with NdFeB magnet, these 2-way speakers provide detailed, balanced sound for boats, ATVs, and outdoor environments. Engineered for Harsh Marine Conditions: Fully marinized and rated IP56 waterproof, the MS525B speakers are designed to resist saltwater, UV rays, and corrosion. The anti-UV ABS basket and rustproof hardware ensure lasting performance in both freshwater and saltwater use, making them perfect for long-term installation on boats, docks, or outdoor vehicles. High-Quality Construction and Components: Built with a durable 6 oz Y30 ferrite magnet, 1" ASV voice coil, and cloth surrounds, these speakers deliver clean power handling and reliability. The aluminum coil with ASV winding improves heat dissipation, while the polypropylene dust cap adds structural strength for distortion-free output even at higher volumes. Compact Design with Easy Installation: The Rockville MS525B offers a total diameter of 5.79" and a mounting depth of only 1.85", making it easy to fit into tight spaces. Each speaker comes with stainless steel screws, speed clips, and a mounting template for quick setup. Ideal for marine, off-road, or custom audio projects where space and durability matter most. The Rockville MS525B 5.25" Waterproof Marine Boat Speakers combine power, precision, and protection in a compact design built for extreme outdoor conditions. With a total peak power of 800 Watts (200 Watts per speaker), these 2-way speakers deliver loud, clear, and balanced audio—perfect for boats, UTVs, ATVs, and poolside sound systems.

Each MS525B speaker features an injection-molded polypropylene cone and 1" PEI tweeter that ensure natural sound reproduction with smooth highs and punchy midrange performance. The 1" ASV voice coil and 6 oz Y30 ferrite magnet provide strong magnetic control and consistent output across the 110Hz–20kHz frequency range, maintaining clarity even at high volume levels.

Rated IP56 waterproof and fully marinized, these speakers resist corrosion, UV damage, and moisture exposure for reliable use in both saltwater and freshwater conditions. The anti-UV ABS basket and grill enhance durability, while the cloth surrounds and aluminum voice coil protect internal components from humidity and heat.

With a sleek black finish, compact 1.85" mounting depth, and included stainless-steel hardware, installation is simple and secure. Whether you’re cruising, fishing, or relaxing dockside, Rockville MS525B speakers provide dependable marine-grade sound that lasts season after season.

Key Details:
Peak Power: 200W per speaker / 800W total
RMS: 100W each
Frequency Response: 110Hz–20kHz
Sensitivity: 87dB @1W/1m
Impedance: 4 Ohm
1" PEI tweeter with NdFeB magnet
IP56 waterproof and fully marinized anti-UV ABS construction
Includes mounting hardware, speed clips, and template

Rockville MS525B—built to deliver clean, powerful, and weatherproof sound wherever your adventure takes you.