Polk Audio Db522 Db+ Series 5-1/4" Coaxial Speaker For Car , Easy Installation Polk Audio DB522 5-1/4" 2-Way Coaxial Speaker for Car Marine The Polk Audio DB522 2-Way Speaker features a 5-1/4" polypropylene woofer cone and a 3/4" silk dome tweeter with a built-in crossover, that delivers smooth and precise sound. The speakers' Dynamic Balance technology uses laser imaging to reduce resonance, resulting in a wide response and low distortion. This DB+ Series speaker is versatile, with mounting hardware included. The included grilles have a bold design that adds a touch of style to your vehicle's interior, making them a good choice for those who want to customize their installation. Polk Audio tests the DB+ marine speakers rigorously for environmental effects like sun, moisture, and extreme temperature changes. As a result, they're even certified for marine applications, making them a great choice for your boat. Polk Audio's DB+ Series subwoofers are a great value, delivering smooth, powerful bass. So, if you want to upgrade your sound system without breaking the bank, the DB+ series speakers are an excellent option. Polk's advanced technology and engineering bring out the best in class audio with powerful speaker series, smart speakers, and soundbars, allowing you to sit back, relax and listen with your heart. POWERFUL SPEAKER FOR CAR MARINE - The Polk DB522 2-Way Coaxial Marine Certified Speaker with 300W peak power, 4-ohm impedance, 5-1/4" polypropylene woofer cone, 3/4" silk dome tweeter 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 100W RMS boasts a 55-22kHz 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