{"product_id":"mb-quart-fkb108-formula-series-2-way-coaxial-speakers-3-5-9-90in-x-5-90in-x-2-80in","title":"MB Quart FKB108","description":"\u003ch2 data-section-id=\"1i9mh8o\" data-start=\"103\" data-end=\"171\"\u003eFormula Series Compact High-Performance Sound\u003c\/h2\u003e\n\u003cp data-start=\"173\" data-end=\"528\"\u003eThe MB Quart FKB108 Formula Series 3.5-Inch 2-Way Coaxial Speakers are engineered to deliver impressive clarity and balanced sound from a compact speaker design. Perfect for tight factory locations or custom installations, these speakers provide an excellent upgrade over stock audio systems with improved detail, tonal balance, and overall sound quality.\u003c\/p\u003e\n\u003cp data-start=\"530\" data-end=\"784\"\u003eDespite their small size, the FKB108 speakers are designed to produce clean, distortion-free audio with strong vocal presence and accurate midrange reproduction. They are ideal for enhancing dash or rear-fill speaker locations in a full car audio system.\u003c\/p\u003e\n\u003ch2 data-section-id=\"wlz5kg\" data-start=\"791\" data-end=\"862\"\u003eWideSphere Technology and Aluminum Dome Tweeters\u003c\/h2\u003e\n\u003cp data-start=\"864\" data-end=\"1131\"\u003eMB Quart’s WideSphere technology ensures a broader sound dispersion, creating a larger “sweet spot” so listeners experience consistent audio quality throughout the cabin. This makes even small 3.5-inch speakers capable of delivering an immersive listening experience.\u003c\/p\u003e\n\u003cp data-start=\"1133\" data-end=\"1418\"\u003eThe aluminum dome tweeters provide extended high-frequency response with high output and natural sound reproduction. Combined with precision tuning, they deliver crisp highs and enhanced musical detail without harshness, making vocals and instruments sound more realistic and engaging.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1pzfdov\" data-start=\"1425\" data-end=\"1492\"\u003eDurable Build with Reliable Audio Components\u003c\/h2\u003e\n\u003cp data-start=\"1494\" data-end=\"1769\"\u003eBuilt for long-term performance, the FKB108 features butyl rubber surrounds that enhance durability while improving mid-bass response. This design allows the speaker cone to move more efficiently, producing deeper and more controlled low frequencies despite the compact size.\u003c\/p\u003e\n\u003cp data-start=\"1771\" data-end=\"2082\"\u003eA textured ABS gasket ensures a secure and rigid seal to the mounting surface, reducing unwanted vibration and improving overall sound accuracy. Inside, a pure copper voice coil generates a strong magnetic field for efficient power handling and precise audio response, ensuring consistent performance over time.\u003c\/p\u003e\n\u003chr data-start=\"2084\" data-end=\"2087\"\u003e\n\u003ch2 data-section-id=\"qhhk8d\" data-start=\"2089\" data-end=\"2110\"\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul data-start=\"2112\" data-end=\"2897\"\u003e\n\u003cli data-section-id=\"23omql\" data-start=\"2112\" data-end=\"2160\"\u003e3.5-inch Formula Series 2-way coaxial speakers\u003c\/li\u003e\n\u003cli data-section-id=\"12knrzc\" data-start=\"2161\" data-end=\"2215\"\u003eCompact design ideal for dash or rear-fill locations\u003c\/li\u003e\n\u003cli data-section-id=\"njmsdf\" data-start=\"2216\" data-end=\"2259\"\u003ePeak power handling: 70 watts per speaker\u003c\/li\u003e\n\u003cli data-section-id=\"1lrlnw1\" data-start=\"2260\" data-end=\"2302\"\u003eRMS power handling: 35 watts per speaker\u003c\/li\u003e\n\u003cli data-section-id=\"tex5ed\" data-start=\"2303\" data-end=\"2360\"\u003eWideSphere technology for expanded listening sweet spot\u003c\/li\u003e\n\u003cli data-section-id=\"1x46mj8\" data-start=\"2361\" data-end=\"2419\"\u003eAluminum dome tweeters for clear high-frequency response\u003c\/li\u003e\n\u003cli data-section-id=\"1hd6apc\" data-start=\"2420\" data-end=\"2478\"\u003eExtended frequency range with natural sound reproduction\u003c\/li\u003e\n\u003cli data-section-id=\"173h65j\" data-start=\"2479\" data-end=\"2536\"\u003eButyl rubber surrounds for durability and improved bass\u003c\/li\u003e\n\u003cli data-section-id=\"z28fsa\" data-start=\"2537\" data-end=\"2591\"\u003eEnhanced mid-bass performance for small speaker size\u003c\/li\u003e\n\u003cli data-section-id=\"182szqf\" data-start=\"2592\" data-end=\"2637\"\u003eTextured ABS gasket for tight mounting seal\u003c\/li\u003e\n\u003cli data-section-id=\"17wnmri\" data-start=\"2638\" data-end=\"2682\"\u003eReduced vibration for cleaner audio output\u003c\/li\u003e\n\u003cli data-section-id=\"tlb073\" data-start=\"2683\" data-end=\"2738\"\u003ePure copper voice coil for strong magnetic efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"rmbagf\" data-start=\"2739\" data-end=\"2789\"\u003eImproved vocal clarity and instrument separation\u003c\/li\u003e\n\u003cli data-section-id=\"1nrkat2\" data-start=\"2790\" data-end=\"2845\"\u003eIdeal factory replacement for small speaker locations\u003c\/li\u003e\n\u003cli data-section-id=\"o44nnu\" data-start=\"2846\" data-end=\"2897\"\u003eBalanced sound performance in compact form factor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2899\" data-end=\"2902\"\u003e\n\u003ch2 data-section-id=\"j1ai3g\" data-start=\"2904\" data-end=\"2923\"\u003ePackage Contains\u003c\/h2\u003e\n\u003cul data-start=\"2925\" data-end=\"3119\"\u003e\n\u003cli data-section-id=\"skuvs7\" data-start=\"2925\" data-end=\"2972\"\u003e2 × MB Quart FKB108 3.5-Inch Coaxial Speakers\u003c\/li\u003e\n\u003cli data-section-id=\"1chcrie\" data-start=\"2973\" data-end=\"3024\"\u003e2 × Speaker Grilles (if included by manufacturer)\u003c\/li\u003e\n\u003cli data-section-id=\"1vfiqtp\" data-start=\"3025\" data-end=\"3048\"\u003eMounting Hardware Kit\u003c\/li\u003e\n\u003cli data-section-id=\"d3h27v\" data-start=\"3049\" data-end=\"3090\"\u003eInstallation Instructions \/ User Manual\u003c\/li\u003e\n\u003cli data-section-id=\"19o0kvh\" data-start=\"3091\" data-end=\"3119\"\u003eManufacturer Documentation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MB Quart","offers":[{"title":"Default Title","offer_id":45686307324095,"sku":"806576228325","price":27.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/6129_oiRpuL.jpg?v=1780601804","url":"https:\/\/nsidistributor.com\/products\/mb-quart-fkb108-formula-series-2-way-coaxial-speakers-3-5-9-90in-x-5-90in-x-2-80in","provider":"NSI Audio Distributing","version":"1.0","type":"link"}