These Pyle PLMRX77 280-watt Pyle Hydra two-way marine speakers will blow you out of the water! The 7.7 -inch high quality white speakers are constructed from a water-resistant plastic case so they re perfect out at sea or on land. Supported by the 50 oz. magnet structure these speakers are equipped with a 1 high temperature Kapton voice coil and 0.75 neodymium dome tweeter. These speakers achieve a frequency response of 60 Hz to 20 kHz. The santoprene surround keeps your speakers secure from the elements and your sound distortion-free. Includes custom grills mounting gasket and installation hardware.