Poly-Planar MA4056 6" Dual Cone Integral Ultra-Low Magnetic Field Speakers are ideal replacement speakers for boaters who want to upgrade to waterproof speakers without changing the cutout size. The integral grills allow for simple, one-piece installation. These Poly-Planar MA4056 speakers combine a midrange polycarbonate cone with a 1" mylar tweeter for full range frequency response. They can handle 80 watts peak power per pair (40 watts RMS). MA4056 ultra-low magnetic field speakers outlast other speakers in the marine environment. Stainless steel mounting hardware is included. 6" dia. cutout. 2.5" cutout depth. Two-year warranty.