How To Set Up Your UT65B: UT65B PRODUCT VIDEO: What's in the box: 2 Swivel Mount Roll Bar / Wakeboard Speakers Swivel Mounting Brackets and Mounting Hardware to fit 1.5'' or 1.75" or 1.875" or 2" Bars Installation Hardware Owner's Manual Warranty Card Features: Rockville UT65B Pair 6.5" Marine UTV/ATV Roll Bar / Wakeboard Tower Speakers Peak Power Handling: 400 Watts RMS Power Handling: 100 Watts True Coax Design With the Tweeter Completely Separated From the Cone Larger Cone Surface Area Gives Better Mids and Lows Less Mass Attached to the Cone Allows for Higher SPL and Sensitivity True coaxial design allows for superior sound quality, better stereo separation, and clearer mids and highs Heavy Duty ABS enclosure IPX6 Water Resistance Rated Marine-grade components are protected from the outdoor elements Adjustable Aluminum Mounting Bracket is Strong and Sturdy Bracket Swivels 360 Degrees (Fixed swivel) Bracket supports any rollbar from 1.5" to 2" inches thick 6.5" Woofers with 11 oz Magnets and Oversized 1.25" Kapton Voice Coils 1" PEI Dome Tweeters with Neo magnets Fits wakeboard towers and roll bars ranging from 1.5" to 2" inches Shallow enclosure design is perfect for UTV, ATV, and marine applications Built-In Two-Way Crossover Network Fully Marinized Against Salt & Fresh Water Conditions Completely Resistant to Water, Rust, and UV Rays Terminals Are Sealed internally with silicone making them resistant to water Polypropylene Mica Injected Cone with Butyl Rubber Surround Frequency Response: 60Hz - 20KHz SPL: 87dB @ 1w/1m Impedance: 4 Ohms Shockproof Design ABS Weather Resistant Grills and Hardware CE and RoHS Certified Color: Black Dimensions (H x W x D): 9.84" x 7.17" x 7.32"