{"product_id":"rockville-ut65b-400w-6-5ft-marine-speakers-ipx6-waterproof-sound","title":"Rockville UT65B 400W 6.5ft Marine Speakers - IPX6 Waterproof Sound","description":"\u003cp\u003eIn this review the Rockville UT65B 400W 6.5' marine speakers are evaluated for owners of UTVs, ATVs and small boats who need loud, weatherproof audio. The bottom line: these speakers deliver clear, powerful sound and a truly marine-rated build that stands up to salt, freshwater and sun, making them a straightforward upgrade for outdoor vehicles. Installation and mounting receive mixed reports, but for anyone prioritizing volume, durability and swivel mounting flexibility, the UT65B is a strong practical choice.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIPX6 waterproof performance:\u003c\/strong\u003e Fully marinized against salt and freshwater so the speakers resist water, rust and UV for reliable outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400W peak audio output:\u003c\/strong\u003e High peak power with 100W RMS provides loud, clear sound from the 6.5' woofers and 1' PEI dome tweeters for crisp highs and solid mids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwivel mount flexibility:\u003c\/strong\u003e Adjustable aluminum brackets swivel 360 degrees after installation and fit rollbars from 1.5' to 2' for customized positioning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue coaxial design:\u003c\/strong\u003e Separated tweeter and cone configuration improves stereo separation and delivers more detailed mids and highs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable marine-grade build:\u003c\/strong\u003e Heavy-duty ABS enclosure and sealed silicone terminals protect components in rugged, off-road and marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe UT65B is ideal for UTV, ATV and small boat owners who need a rugged, high-volume speaker that will withstand exposure to water, sun and salt. Riders and boaters who play music loudly and want defined highs from PEI dome tweeters will find the sound and build quality appealing.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include buyers who need plug-and-play mounts for unusual tube sizes outside the 1.5' to 2' range or shoppers who want a completely tool-free clamp system; some customers reported mixed experiences with the mounting hardware that may require extra attention during installation.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClear, loud sound with a strong midrange and crisp highs from the 1' PEI dome tweeter.\u003c\/li\u003e\n\u003cli\u003eMarine-grade construction and IPX6 waterproofing for long-term outdoor durability.\u003c\/li\u003e\n\u003cli\u003eFlexible swivel mounting that allows 360 degree adjustment for precise aiming.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMounting clamps and fit can be inconsistent for some rollbar sizes, requiring careful installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power\u003c\/td\u003e\n\u003ctd\u003e400W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS Power\u003c\/td\u003e\n\u003ctd\u003e100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Size\u003c\/td\u003e\n\u003ctd\u003e6.5' woofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTweeter\u003c\/td\u003e\n\u003ctd\u003e1' PEI dome tweeter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof Rating\u003c\/td\u003e\n\u003ctd\u003eIPX6 (marine-rated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eAluminum swivel bracket, fits 1.5' to 2' rollbars\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eHeavy-duty ABS with sealed silicone terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Rockville UT65B is a practical, value-oriented option for riders and boaters who need rugged, high-volume speakers with good tonal balance and reliable marine protection. While the mounting hardware may need extra care during installation, the sound quality, waterproofing and swivel capability make these speakers a smart buy for outdoor audio upgrades.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these speakers truly waterproof?\u003c\/strong\u003e\u003cbr\u003eYes, the UT65B is IPX6 rated and built to resist water, rust and UV for marine and outdoor use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat rollbar sizes do the mounts fit?\u003c\/strong\u003e\u003cbr\u003eThe adjustable aluminum brackets fit rollbars from 1.5' to 2' and allow 360 degree swivel after installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow loud are they?\u003c\/strong\u003e\u003cbr\u003eThey offer 400W peak power and 100W RMS, producing loud, clear audio with defined highs from the PEI dome tweeters.\u003c\/p\u003e","brand":"Rockville","offers":[{"title":"Default Title","offer_id":46754250784987,"sku":"B09MK2C88N","price":124.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71MN6JBBfqL._AC_SL1500.jpg?v=1747804117","url":"https:\/\/gearmusthave.com\/products\/rockville-ut65b-400w-6-5ft-marine-speakers-ipx6-waterproof-sound","provider":"GearMustHave","version":"1.0","type":"link"}