The JL Audio M6-770X Marine Coaxial Speaker is purpose-built for optimal audio performance in open-air marine environments. With its oversized 7.7-inch design, the speaker delivers more output for the same amount of power, ensuring loud, clear sound even at high speeds on a powerboat. A 1-inch silk dome tweeter provides crisp, articulate high frequencies, while the long-excursion woofer handles powerful low-end response. The speaker also includes a multi-order, true 2-way passive crossover, shielded from vibration and corrosion, and a solid-state tweeter protection circuit to prevent failure. Designed for use with amplifiers in the 40Wâ200W per channel range, the M6-770X offers exceptional performance and durability in marine environments.• Superior output and detail at all listening levels• Grille and Trim Ring are easily removable for painting• Exceeds international standards for salt fog and UV exposure• 2-Years Warranty• Sold as a pairSpecsContinuous Power Handling (RMS): 100wRecommended Amplifier Power (RMS): 40-200w/ chSystem Efficiency: 91.0 dB @ 1 W / 1 mSystem Nominal Impedance: 4 ohmSystem Frequency Response: 45 Hz - 25 KHz ± 3 dB Long-excursion woofer for powerful low-end performance Multi-order 2-way crossover with vibration & corrosion protection Power range: 40W200W per channel for optimal audio performance | JL Audio M6 Series 7.7" Marine Coaxial Speakers w/ Gloss White Classic Grille