Built for real-world marine conditions, the JL Audio M3-650X 6.5" Marine Coaxial Speakers with Sport Grilles deliver impressive sound performance at a more accessible price. Designed in a standard marine format with a wide mounting flange and six-hole pattern, the M3-650X produces clear, powerful audio whether you're cruising or anchored. Its long-excursion woofer is optimized for enclosures with at least 2 cu. ft. (57 liters) of air space to achieve full low-end performance. A 0.75-inch pure silk dome tweeter, treated for marine durability, ensures smooth and detailed high frequencies. The JL Audio M3-650X can operate with as little as 20W per channel, though 75â100W is recommended for optimal sound quality.• Amazing fidelity and affordability in marine settings• Exceeds international standards for salt fog and UV exposure• 2-Years Warranty• Sold as a pairSpecsContinuous Power Handling (RMS): 60wRecommended Amplifier Power (RMS): 20 - 120w/ chSystem Efficiency: 89.5 dB @ 1 W / 1 mSystem Nominal Impedance: 4 ohmSystem Frequency Response: 55 Hz - 25 KHz ± 3 dB 0.75" silk dome tweeter provides smooth, detailed highs Optimized for enclosures with at least 2 cu. ft. of air space Power range: 20Wâ100W per channel (75â100W recommended) | M3 Series 6.5" Marine Coaxial Speakers w/ Gloss White Sport Grilles