{"product_id":"mb-quart-rk1-168-reference-car-speakers-black-pair-5x7-6x8-inch-coaxial-speaker-system-200-watt-2-way-car-audio-4-ohms-grills-not-included","title":"MB Quart RK1-168","description":"\u003ch2 data-section-id=\"14zu18d\" data-start=\"106\" data-end=\"180\"\u003eReference Series Sound Built for Clarity and Impact\u003c\/h2\u003e\n\u003cp data-start=\"182\" data-end=\"512\"\u003eThe MB Quart RK1-168 Reference Series 5x7–6x8 Inch 2-Way Coaxial Car Speakers are engineered to deliver premium sound quality with exceptional clarity and dynamic range. Designed for audiophiles and everyday drivers alike, these speakers provide a balanced blend of crisp highs, detailed midrange, and controlled bass performance.\u003c\/p\u003e\n\u003cp data-start=\"514\" data-end=\"847\"\u003eWith 200 watts of peak power handling per system and a refined acoustic design, the RK1-168 speakers bring your favorite music to life with improved sound staging and accuracy. Whether you're upgrading factory speakers or building a custom audio system, the Reference Series ensures a noticeable improvement in overall sound quality.\u003c\/p\u003e\n\u003ch2 data-section-id=\"96fwp1\" data-start=\"854\" data-end=\"926\"\u003eTitanium Dome Tweeters with WideSphere Soundstage\u003c\/h2\u003e\n\u003cp data-start=\"928\" data-end=\"1218\"\u003eEach RK1-168 speaker features a 0.75-inch titanium dome tweeter equipped with WideSphere Technology, designed to expand the perceived soundstage inside your vehicle. This allows high frequencies to be distributed more evenly, creating a more immersive and concert-like listening experience.\u003c\/p\u003e\n\u003cp data-start=\"1220\" data-end=\"1542\"\u003ePaired with a built-in audiophile-grade crossover network, the tweeter and woofer operate in perfect harmony, ensuring smooth frequency transitions with minimal distortion. Tight tolerance components in the crossover enhance precision, making vocals, instruments, and high-frequency details sound more natural and refined.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1r8l7xp\" data-start=\"1549\" data-end=\"1618\"\u003eEngineered Durability and Precision Fit Design\u003c\/h2\u003e\n\u003cp data-start=\"1620\" data-end=\"1882\"\u003eMB Quart engineered the RK1-168 Reference Series with durability and real-world driving conditions in mind. Lightweight curvilinear cone design improves bass response while preventing cone flexing, ensuring clean and distortion-free sound even at higher volumes.\u003c\/p\u003e\n\u003cp data-start=\"1884\" data-end=\"2242\"\u003eHigh-temperature adhesives maintain structural integrity under extreme heat and cold, while molded polymer sealing gaskets help protect the speaker from dust and moisture intrusion. A red woven fiber cotton poly blend spider stabilizes the cone and voice coil, and integrated venting improves airflow for better thermal performance and long-term reliability.\u003c\/p\u003e\n\u003cp data-start=\"2244\" data-end=\"2364\"\u003eDesigned for 5x7 and 6x8-inch factory openings, these speakers provide an OEM-friendly fit for a wide range of vehicles.\u003c\/p\u003e\n\u003chr data-start=\"2366\" data-end=\"2369\"\u003e\n\u003ch2 data-section-id=\"qhhk8d\" data-start=\"2371\" data-end=\"2392\"\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul data-start=\"2394\" data-end=\"3284\"\u003e\n\u003cli data-section-id=\"1etmrfm\" data-start=\"2394\" data-end=\"2448\"\u003e5x7–6x8 inch Reference Series 2-way coaxial speakers\u003c\/li\u003e\n\u003cli data-section-id=\"q607as\" data-start=\"2449\" data-end=\"2489\"\u003e200 watts peak power handling (system)\u003c\/li\u003e\n\u003cli data-section-id=\"prmghs\" data-start=\"2490\" data-end=\"2545\"\u003e100 watts peak per speaker \/ 50 watts RMS per speaker\u003c\/li\u003e\n\u003cli data-section-id=\"1qc6pkc\" data-start=\"2546\" data-end=\"2596\"\u003e4-ohm impedance for wide amplifier compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"16qt29e\" data-start=\"2597\" data-end=\"2631\"\u003e0.75-inch titanium dome tweeters\u003c\/li\u003e\n\u003cli data-section-id=\"nekheb\" data-start=\"2632\" data-end=\"2679\"\u003eWideSphere Technology for expanded soundstage\u003c\/li\u003e\n\u003cli data-section-id=\"mufyd8\" data-start=\"2680\" data-end=\"2725\"\u003eBuilt-in audiophile-grade crossover network\u003c\/li\u003e\n\u003cli data-section-id=\"1x6s0io\" data-start=\"2726\" data-end=\"2777\"\u003eTight-tolerance crossover components for accuracy\u003c\/li\u003e\n\u003cli data-section-id=\"1krys5a\" data-start=\"2778\" data-end=\"2830\"\u003eCurvilinear cone design for improved bass response\u003c\/li\u003e\n\u003cli data-section-id=\"5km4h5\" data-start=\"2831\" data-end=\"2878\"\u003eReduced cone flexing for cleaner sound output\u003c\/li\u003e\n\u003cli data-section-id=\"di2wdd\" data-start=\"2879\" data-end=\"2934\"\u003eHigh-temperature adhesive construction for durability\u003c\/li\u003e\n\u003cli data-section-id=\"1oy6v64\" data-start=\"2935\" data-end=\"2982\"\u003eMolded polymer sealing gaskets for protection\u003c\/li\u003e\n\u003cli data-section-id=\"1qec6f9\" data-start=\"2983\" data-end=\"3039\"\u003eRed woven fiber cotton poly blend spider for stability\u003c\/li\u003e\n\u003cli data-section-id=\"bqa89r\" data-start=\"3040\" data-end=\"3093\"\u003eIntegrated venting for improved cooling and airflow\u003c\/li\u003e\n\u003cli data-section-id=\"ibdua3\" data-start=\"3094\" data-end=\"3144\"\u003eDesigned for OEM replacement fit (5x7–6x8 slots)\u003c\/li\u003e\n\u003cli data-section-id=\"zgng3t\" data-start=\"3145\" data-end=\"3185\"\u003eBalanced full-range audio reproduction\u003c\/li\u003e\n\u003cli data-section-id=\"1or90pr\" data-start=\"3186\" data-end=\"3236\"\u003eEnhanced vocal clarity and instrument separation\u003c\/li\u003e\n\u003cli data-section-id=\"13mge25\" data-start=\"3237\" data-end=\"3284\"\u003eSuitable for factory or custom audio upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3286\" data-end=\"3289\"\u003e\n\u003ch2 data-section-id=\"j1ai3g\" data-start=\"3291\" data-end=\"3310\"\u003ePackage Contains\u003c\/h2\u003e\n\u003cul data-start=\"3312\" data-end=\"3524\"\u003e\n\u003cli data-section-id=\"fqsusa\" data-start=\"3312\" data-end=\"3374\"\u003e2 × MB Quart RK1-168 Reference 5x7–6x8 Inch Coaxial Speakers\u003c\/li\u003e\n\u003cli data-section-id=\"1chcrie\" data-start=\"3375\" data-end=\"3426\"\u003e2 × Speaker Grilles (if included by manufacturer)\u003c\/li\u003e\n\u003cli data-section-id=\"1vfiqtp\" data-start=\"3427\" data-end=\"3450\"\u003eMounting Hardware Kit\u003c\/li\u003e\n\u003cli data-section-id=\"ps3d6p\" data-start=\"3451\" data-end=\"3495\"\u003eInstallation Instructions \/ Owner’s Manual\u003c\/li\u003e\n\u003cli data-section-id=\"19o0kvh\" data-start=\"3496\" data-end=\"3524\"\u003eManufacturer Documentation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MB Quart","offers":[{"title":"Default Title","offer_id":45686296051903,"sku":"806576230274","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71Er2kS8mTL.jpg?v=1780601539","url":"https:\/\/nsidistributor.com\/products\/mb-quart-rk1-168-reference-car-speakers-black-pair-5x7-6x8-inch-coaxial-speaker-system-200-watt-2-way-car-audio-4-ohms-grills-not-included","provider":"NSI Audio Distributing","version":"1.0","type":"link"}