Power Acoustik went the extra mile to make these speakers marine grade. Built from the ground up to be the finest possible speaker for your off-road vehicles, motorcycles, or personal watercraft. Made splash-and-spray-resistant sealed motors, cones, and sealed terminal covers. Even the grilles have a built-in drainage port to prevent standing water. It’s all engineered to maintain top-shelf performance for years to come 100% Waterproof Enclosure and Speaker System High Density ABS Construction w/ UV Coating Steel reinforced Mounting Bracket fits most towers Braided Stainless Steel Safety Cable Included Stainless Steel Mounting Hardware Included Polypropylene speaker cone and Titanium Tweeter Quick Disconnect Compression Terminals Meets ROHS and CE Certifications 4-ohm System Impedance | Speaker Size 6.5" Design 2-Way Tower Speakers Color White Water Resistance Rating Waterproof Enclosures with UV protection LED Illumination Yes Tweeter Design 1" Tweeter Impedance (Ohms) 4 Tweeter Composition Titanium Woofer Composition Polypropylene Woofer Surround Rubber Sensitivity (dB) 90dB Frequency Response (Hz) 40Hz - 20k Hz RMS Power Rating (Watts) 250 Peak Power Rating (Watts) 500 Enclosure Depth (Inches) Enclosure Height (Inches) Enclosure Width (Inches) Grilles Included Yes Warranty 1-Year