• FLAGSHIP SPEAKER FOR CAR & MARINE - The Polk MM522 2-Way Coaxial Ultra-Marine Certified Speaker with 240W peak power and 4-ohm impedance features a 5.25" titanium-plated composite woofer cone, 1" Terylene fabric tweeter, and Santoprene rubber surround
• CRYSTAL-CLEAR AUDIO - With an epoxy-coated crossover, this marine/car speaker directs highs and lows to their respective drivers, delivering powerful bass. With 80W RMS and a 50-40kHz frequency response, the result is a pristine, high-quality car sound system
• RESONANCE-FREE SOUND CREATION - With Dynamic Balance, a Polk Audio proprietary technology, this marine 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 - With IP56 Advanced Ultra-Marine certification, this Polk speaker is tested to withstand salt fog, UV rays, and humidity. Its waterproof surrounds, composite cone, stainless steel mounting hardware, and ABS basket resist corrosion
• 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