{"product_id":"boss-audio-systems-5-25-marine-coaxial-speakers-mr52b","title":"BOSS Audio Systems 5.25\" Marine Coaxial Speakers MR52B","description":"\u003cp\u003e\u003cstrong\u003eThe BOSS Audio Systems MR52B are 5.25-inch, weatherproof marine coaxial speakers that deliver up to 150 watts per pair of balanced, full-range sound for boats and outdoor use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for harsh marine environments, the MR52B pairs rugged materials and compact dimensions to give clear midrange, lifelike highs and reliable low-frequency presence without taking up much space. These coaxial two-way speakers include a 1\" mylar dome tweeter and a polypropylene cone for broad frequency coverage, and they ship with grille and magnet covers for added protection during storage or transit.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these speakers perform on boats and near water?\u003c\/h3\u003e\n\u003cp\u003eThe MR52B are built specifically for marine settings: materials and construction resist moisture, salt, and UV exposure while keeping consistent sound quality. Their sensitivity and frequency range suit music playback at moderate to high volumes common on recreational boats.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWeatherproof construction and treated cloth surround for moisture resistance\u003c\/li\u003e\n  \u003cli\u003ePolypropylene cone and 1\" aluminum voice coil for stable performance\u003c\/li\u003e\n  \u003cli\u003eFrequency response 80 Hz–20 kHz covers vocals and highs clearly\u003c\/li\u003e\n  \u003cli\u003eIncluded magnet covers and grilles protect drivers when not in use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sound quality should I expect from 5.25-inch coaxial two-way speakers?\u003c\/h3\u003e\n\u003cp\u003eWith a two-way coaxial design, the MR52B reproduces both midrange and treble with clarity from a single compact speaker. The 1\" mylar tweeter handles the highs while the polypropylene woofer provides controlled mids and some bass; for deep bass, pair with a dedicated subwoofer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSensitivity 89 dB yields efficient output with modest amplifier power\u003c\/li\u003e\n  \u003cli\u003eRated impedance 4 ohms matches most marine\/amplified head units\u003c\/li\u003e\n  \u003cli\u003e150 watts per pair peak power handling supports dynamic playback\u003c\/li\u003e\n  \u003cli\u003eFull-range response suitable for playlists, talk, and navigation audio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what are the physical dimensions?\u003c\/h3\u003e\n\u003cp\u003eThese speakers are compact and designed for straightforward retrofit or new installations in boats with standard 5.25-inch cutouts. Lightweight construction keeps load low, and included grills simplify finishing and protection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOverall dimensions: depth 6.3\", width 6.3\", height 3.3\" for tight mounting spaces\u003c\/li\u003e\n  \u003cli\u003eWeight per pair approximately 3.5 lbs — minimal structural impact\u003c\/li\u003e\n  \u003cli\u003eStandard mounting pattern compatible with most marine dash and pod locations\u003c\/li\u003e\n  \u003cli\u003eGrills and magnet covers included to complete installation and safeguard drivers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat technical specs and accessories are included?\u003c\/h3\u003e\n\u003cp\u003eThe MR52B includes the key components and specifications you need to match with your system. Owners receive both protective accessories and data to plan wiring and amplification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImpedance: 4 ohms for broad amplifier compatibility\u003c\/li\u003e\n  \u003cli\u003eFrequency response: 80 Hz–20 kHz, sensitivity: 89 dB\u003c\/li\u003e\n  \u003cli\u003eDrivers: polypropylene cone, 1\" aluminum voice coil, 1\" mylar dome tweeter\u003c\/li\u003e\n  \u003cli\u003eAccessories: magnetic covers and protective grills included in the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The BOSS Audio Systems MR52B speakers are a practical choice for boat owners, coastal homeowners, or anyone needing compact, weather-resistant full-range speakers for outdoor environments. They suit users who want reliable, clear sound from a small footprint, packaged with protective hardware for seasonal use or transport.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the MR52B speakers weatherproof?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — they use treated surrounds, polypropylene cones and protective grills to resist moisture, salt, and UV exposure for marine use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these speakers need a separate amplifier?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They run on standard head-unit power; an amplifier is optional for higher volume or improved bass response.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BOSS Audio Systems","offers":[{"title":"Default Title","offer_id":48413427826845,"sku":"B01FC3SAEM","price":63.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/boss-mr52b-front-view.jpg?v=1781265134","url":"https:\/\/nexoltic.com\/products\/boss-audio-systems-5-25-marine-coaxial-speakers-mr52b","provider":"Nexoltic","version":"1.0","type":"link"}