See all parts that fit your 1956 Thunderbird
400W RMS Class D Nautic Series 2-Channel Marine and Powersports Amplifier
• 100 watts x 2 channel @ 4 ohm
• 200 watts x 2 channel @ 2 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 2-Channel Amplifier
The MB Quart NA4-400.2 is a high-performance 400W 2-channel amplifier engineered specifically for the rigors of marine and powersports applications. This compact powerhouse utilizes advanced Full Range Class D topology to deliver massive output while remaining small enough to fit in tight installation spaces, such as UTV steering columns or small boat compartments. With an IPX5 rating (and meeting IPX67 standards for certain components), the amplifier is fully waterproof and dustproof, featuring conformal-coated circuit boards to resist corrosion from salt and moisture. Designed for seamless integration, it includes specialized connectors and nickel-plated, erosion-resistant hardware, making it the ultimate audio upgrade for enthusiasts who refuse to let the elements stop the music.
Best selling similar products
Manufacturer:
Model Number:
NA4-400.2
Weight:
2.20lbs
Internal SKU:
na44002
Internal Product ID:
230164
Cancel
Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.