MB Quart NPW-254 10" Marine Subwoofer – IP67 Waterproof, 300W RMS

MB Quart NPW-254 10" Marine Subwoofer

The MB Quart NPW-254 is a high-performance 10-inch marine subwoofer designed to deliver deep, powerful bass in harsh outdoor environments. Built for boats, UTVs, and off-road vehicles, this subwoofer combines rugged durability with premium low-frequency output.

Featuring an IP67 waterproof rating and UV- and saltwater-resistant construction, the NPW-254 is engineered to withstand the elements while maintaining consistent, high-quality bass performance.

Key Features:

• 10" Marine Subwoofer – Designed for boats and powersports applications
• 300W RMS / 600W Peak Power – Strong, deep bass output
• IP67 Certified – Waterproof and dustproof for extreme environments
• Shallow Mount Design – Only 3" mounting depth for flexible installation
• Polypropylene Cone – Durable and responsive for tight bass
• Butyl Rubber Surround – Long-lasting performance in marine conditions
• Aramid Fiber Spider – Stable performance with resistance to moisture and temperature changes
• Composite Frame – Lightweight, corrosion-resistant construction
• UV & Saltwater Resistant – Built to handle harsh outdoor exposure
• Free-Air Capable – Ideal for infinite baffle or open-air installations

Custom Styling:

• Includes 3 Interchangeable Grilles:
• White
• Silver
• Black

Performance Specifications:

• Size: 10"
• Impedance: 4 Ohms
• Sensitivity: 82 dB
• Frequency Response: 15Hz – 200Hz
• RMS Power Handling: 300 Watts
• Peak Power Handling: 600 Watts

Installation Specifications:

• Top Mount Depth: 3"
• Cutout Diameter: 9.07" (approx. 9 1/8")
• Frame Dimensions: 10.78" x 10.78"

Thiele/Small Parameters:

• Vas: 20.64 liters
• Fs: 31.46 Hz
• Qts: 0.86
• Xmax: 8.65 mm

Warranty: 1 Year

Upgrade your marine or off-road audio system with the MB Quart NPW-254 and enjoy deep, reliable bass performance built to handle the toughest environments.