{"product_id":"bmw-mini-plug-play-harman-kardon-fit-4sfl-fit-series-4-inch-360w-midrange-car-speakers","title":"BMW\/Mini (Plug \u0026 Play) Harman Kardon FIT 4SFL - Fit Series 4 Inch 360w MidRange Car Speakers  ","description":"\u003cp class=\"QN2lPu\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 12pt;\"\u003ePure Aftermarket 4inch Plug and Play Midrange Speakers For BMW\/Mini by Harman Kardon\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp class=\"QN2lPu\"\u003eThe Harman Kardon Fit 4SFL is a dedicated 4-inch midrange speaker, developed as part of Harman’s 2025 Fit Series—a lineup of high-performance car audio components made to meet the demands of premium factory and aftermarket audio systems. Designed with no grille, the 4SFL is tailored for OEM integration, particularly in BMW and MINI vehicles equipped with Harman Kardon sound systems.\u003c\/p\u003e \u003cp class=\"QN2lPu\"\u003e\u003cstrong\u003eDedicated Midrange Design\u003c\/strong\u003e\u003c\/p\u003e \u003cp class=\"QN2lPu\"\u003eThe 4SFL is not a coaxial or full-range driver. It is purpose-built to reproduce critical midrange frequencies (200 Hz – 8 kHz) with outstanding clarity and smooth response.\u003c\/p\u003e \u003cp class=\"QN2lPu\"\u003e\u003cstrong\u003ePlus One™ Glass Fiber Cone\u003c\/strong\u003e\u003c\/p\u003e \u003cp class=\"QN2lPu\"\u003eUses Harman’s patented Plus One™ cone architecture, featuring a larger surface area for improved efficiency and frequency response. The rigid glass fiber material ensures clean and controlled sound, especially in vocals and instrumentation.\u003c\/p\u003e \u003cp class=\"QN2lPu\"\u003e\u003cstrong\u003eHigh-Resolution Certified Performance\u003c\/strong\u003e\u003c\/p\u003e \u003cp class=\"QN2lPu\"\u003eSupports high-resolution playback when paired in a multi-driver system. Though the 4SFL itself does not extend into tweeter or bass territory, its fast transient response and low distortion make it an ideal component in Hi-Res certified speaker setups.\u003c\/p\u003e \u003cp class=\"QN2lPu\"\u003e\u003cstrong\u003eFactory-System Ready\u003c\/strong\u003e\u003c\/p\u003e \u003cp class=\"QN2lPu\"\u003eDesigned for drop-in replacement in OEM audio systems—especially BMW and MINI models with 4″ door or dashboard midrange cutouts. It matches 4-ohm impedance, uses factory-aligned mounting points, and supports Harman Kardon’s plug-in crossover systems\u003c\/p\u003e \u003cp class=\"QN2lPu\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli class=\"QN2lPu\"\u003eSpeaker Type\u003c\/li\u003e \u003cli class=\"QN2lPu\"\u003eMidrange (No grille)\u003c\/li\u003e \u003cli class=\"QN2lPu\"\u003eSize : 4″ (100 mm)\u003c\/li\u003e \u003cli class=\"QN2lPu\"\u003ePower Handling (RMS) : 45 W\u003c\/li\u003e \u003cli class=\"QN2lPu\"\u003ePeak Power: 360 W\u003c\/li\u003e \u003cli class=\"QN2lPu\"\u003eFrequency Response : 200 Hz – 8 kHz\u003c\/li\u003e \u003cli class=\"QN2lPu\"\u003eSensitivity (@2.83V) : 90 dB\u003c\/li\u003e \u003cli class=\"QN2lPu\"\u003eImpedance : 4 ohms\u003c\/li\u003e \u003cli class=\"QN2lPu\"\u003eCone Material : Plus One™ Glass Fiber\u003c\/li\u003e \u003cli class=\"QN2lPu\"\u003eHi-Res Audio Certified : Yes (when used in full system)\u003c\/li\u003e \u003c\/ul\u003e \u003cp class=\"QN2lPu\"\u003e\u003cstrong\u003eThe Fit 4SFL is ideal for:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli class=\"QN2lPu\"\u003eBMW F-series, G-series and (select E-series) vehicles\u003c\/li\u003e \u003cli class=\"QN2lPu\"\u003eMINI Cooper (F55, F56, F57) models\u003c\/li\u003e \u003cli class=\"QN2lPu\"\u003eDrop-in midrange upgrade for door, dash and rear deck surround speakers\u003c\/li\u003e \u003cli class=\"QN2lPu\"\u003eWorks seamlessly with Harman Kardon factory amplifiers.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harman Kardon","offers":[{"title":"Default Title","offer_id":52760729420042,"sku":"Fit 4SFL","price":134.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/4578\/4842\/files\/fit4_sfl-1.jpg?v=1774286881","url":"https:\/\/audiovisualworld.co.uk\/products\/bmw-mini-plug-play-harman-kardon-fit-4sfl-fit-series-4-inch-360w-midrange-car-speakers","provider":"Audio Visual World","version":"1.0","type":"link"}