8.5 Inch Dual Marine Speakers - 2 Way IP44 Waterproof and Weather Resistant Outdoor Audio Stereo Sound System with 300 Watt Power and Poly Carbon Cone and Cloth Surround - 1 Pair - PLMR82 (White) IP44 MARINE GRADE: Comes with 2 speakers that are waterproof with a marine grade of IP44. Can be used for several vehicles because it can withstand heavy water splashes and other outdoor conditions 300 WATTS POWER: The speaker has a 20 Oz. circuit magnet for a full range audio and complete stereo speaker sound system. The power output is RMS Power 150 Watt/ 300 Watt peak and 1.5 Aluminum voice coil WEATHER RESISTANT: These are weather resistant speakers made of Poly Mica cone with butyl rubber surround for rugged and durable design. Its engineered with heavy duty molded ABS plastic basket and grill construction to combat sun damage LOW PROFILE DESIGN: Designed with a low profile style and can be easily used on boats, marine watercraft and other vehicles. It has a frequency response of 60hz-20KHz, 4 Ohms impedance and 91 dB sensitivity with a classic white look 8.5 STANDARD SIZE: These speakers are easy to install with 8.5 inches standard size, complete wirings and mounting hardware. It has a universal standard OEM replacement size with a mounting depth of only 3.54'' and cut-out size of 7.36