DYNAMIC SPEAKER FOR CAR & MARINE - The Polk DB692 3-Way Coaxial Marine Certified Speaker with 450W peak power, 4-ohm impedance, 6" x 9" polypropylene woofer cone, 1/2" super tweeter, and a strong rubber surround is built to reproduce high-quality music | ELEVATE YOUR CAR AUDIO SYSTEM - With a built-in crossover, the music speaker directs highs & lows to the respective drivers, delivering loud bass. It handles up to 150W RMS & boasts a 30-22kHz frequency response, resulting in a high-quality car sound system | RESONANCE-FREE SOUND CREATION - With Dynamic Balance, a Polk Audio proprietary technology, this marine/car speaker uses laser imaging to identify the best combination of speaker materials and ensures a distortion-free response with wide sound dispersion | SPLASH-PROOF SOUND SYSTEM - Polk DB+ series speakers give thunderous sonic output in freshwater boats, motorcycles, ATVs, and others, as they have IP56 marine certification with coated steel baskets. They are even tested for Salt-fog, UV & Humidity | EASY TO INSTALL - Polk provides mounting hardware and stylishly designed grilles that not only enable easy installation but also add a touch of flair to the vehicle's interior, making it an ideal choice for custom installations | POLK'S CONSTANT INNOVATION AND UNWAVERING COMMITMENT - With advanced technology and engineering, Polk bring out the best in class audio with powerful speaker series, smart speakers, soundbars, and more, allowing you to sit back and listen with your heart