The MB Quart NF1-116B speakers are designed for marine use, with a waterproof construction to withstand the elements. These 6.5" 80 Watt 2-way coaxial speakers provide clear and powerful sound on the water, with an RMS power of 40W. With the trusted brand of MB Quart and the durability of being waterproof, these speakers are the perfect choice for any boat or marine vehicle looking to enhance their audio experience. Made in China, these speakers offer top-notch quality and performance for all your on-the-water listening needs.