Designed for powerful sound projection in marine environments, the JL Audio M3 7.7" Enclosed Tower Coaxial System delivers clean, loud audio that's optimized for tower mounting. Housed in sleek, injection-molded enclosures with gloss white classic grilles, these coaxial speakers are tuned for open-air performance and long-range clarity. Ideal for wake towers and high-mounted installs, they feature a rear aluminum logo cap and center-exit wiring for a clean, weather-resistant setup.• Optimized 7.7" coaxial drivers for tower-mounted audio• Built-in weatherproof enclosures with gloss white classic grilles• Designed for use with JL Audio clamp systems (sold separately)• Recommended amplifier power: 25â140W per channel• Sold as a pair | Mounting clamps required (sold separately)SpecsContinuous Power Handling (RMS): 70wRecommended Amplifier Power (RMS): 20 - 140w/ chSystem Efficiency: 90.5 dB @ 1 W / 1 mSystem Nominal Impedance: 4 ohmSystem Frequency Response: 55 Hz - 25 KHz ± 3 dB Wide Range of Tubular or Surface-Mounting Options 7.7"" coaxial drivers optimized for tower use Recommended power: 25140W per channel | JL Audio M3 Series 7.7" Enclosed Tower Coaxial System w/ Gloss White Classic Grille