Herdio 4-inch Waterproof Boat Marine Box Outdoor Speakers for Skid Steer ATV UTV RZR Golf Cart Tractor Powersports Truck Jeep It is a 2-way 4" marine grade hifi full range stereo pod speakers with 1" pei dome tweeter: marine grade waterproof construction: thetooled design for high power, rust proof speaker grills and heavy engineered plastic cabinet ensure the speakers withstands severe outdoor environments. It is perfect for marine, boat, utv, atv, truck, golf cart, powersport, motorcycle, motorbike, rv, automobile off-road vehicles. Compact and powerful: the speakers is compact in size, but the sound is really loud the maximum power handling is 100 watts a pair, frequency response 80 - 20,000hz, impedance 4 ohms small size for easy installation: the 4" marine surface mounted box speakers comes with brackets and bolts allows you easily install them into a place where space available only. Product dimensions 4.4"(112Mm) (W) x 4.4"(112Mm) (H) x4"(102mm) (D).