The MB Quart PMB 65 is a high-performance marine-grade speaker designed specifically for use in boats and outdoor environments. It features a robust construction that can withstand harsh weather conditions, including exposure to water and UV rays. The speaker boasts a 6.5-inch woofer for deep sound reproduction and a clear 1-inch tweeter for crisp high frequencies, allowing for a balanced audio experience. The PMB 65 also incorporates a polypropylene cone and rubber surround, which contribute to its durability and sound quality. Additionally, it often comes with a non-corrosive stainless steel grille and other components designed for marine applications, ensuring longevity and reliability in various settings. The speaker is typically rated at a power handling capacity of around 150 watts peak and has a frequency response range that delivers a wide spectrum of sound suitable for enjoying music in outdoor or aquatic environments.