{"product_id":"boss-audio-brs40-4-inch-car-door-speaker-50w-max-sold-individually","title":"BOSS Audio BRS40 4-Inch Car Door Speaker - 50W Max - Sold Individually","description":"\u003cdiv\u003e\n  \u003ch2\u003eOverview\u003c\/h2\u003e\n  \u003cp\u003eUpgrade your vehicle’s front or rear soundstage with the BRS40 4 inch replacement door speaker from BOSS Audio Systems. This compact, purpose-built speaker fits many factory openings and is designed to deliver clearer highs, more defined mids, and a steadier mid‑bass presence at everyday listening levels. While compact, it is engineered to work calmly with standard radios and can scale with an amplifier if you choose to enrich your system.\u003c\/p\u003e\n  \u003cp\u003eConstructed for durability and consistent performance, the BRS40 uses a polypropylene cone paired with a foam surround. This combination is chosen to maintain rigidity during rapid cone movement while still allowing controlled, smooth motion for a balanced overall sound. The 4 ohm impedance is a common match for many factory head units, and a 0.77 inch voice coil helps support reliable control across typical listening ranges.\u003c\/p\u003e\n  \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eImpedance: 4 ohms for standard compatibility with many car radios\u003c\/li\u003e\n    \u003cli\u003ePower handling: up to 50 watts maximum for a confident daily upgrade\u003c\/li\u003e\n    \u003cli\u003eFrequency response: roughly 100 Hz to 18 kHz for broad music coverage\u003c\/li\u003e\n    \u003cli\u003eSensitivity: about 82 dB at 1 watt \/ 1 meter for practical listening levels\u003c\/li\u003e\n    \u003cli\u003eSize and fit: 4.06 x 4.06 inches with a mounting depth of 1.75 inches\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eDesign and build highlights\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eCone material: polypropylene offers lightweight rigidity with steady motion\u003c\/li\u003e\n    \u003cli\u003eSurround: foam provides flexible travel and durable performance\u003c\/li\u003e\n    \u003cli\u003eBasket: stamped metal construction for a solid mount\u003c\/li\u003e\n    \u003cli\u003eVoice coil: 0.77 inch for stable power handling and clear midrange\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eReal‑world usage and options\u003c\/h3\u003e\n  \u003cp\u003eSold individually, the BRS40 is ideal for upgrading a single door or pairing with a second unit for a matched left-right setup. Its compact dimensions help it fit in many factory apertures without major modifications, leaving space for wiring and brackets.\u003c\/p\u003e\n  \u003cp\u003eFor best results, consider pairing with an appropriate head unit or amplifier to explore enhanced dynamics. The design is aimed at delivering a balanced sound profile suitable for everyday driving, whether you are commuting, running errands, or enjoying a weekend road trip.\u003c\/p\u003e\n  \u003ch3\u003eInstallation and warranty\u003c\/h3\u003e\n  \u003cp\u003eProfessional installation is strongly recommended to ensure correct fit, wiring connections, and safe operation in a vehicle environment.\u003c\/p\u003e\n  \u003cp\u003eWarranty and support: BOSS Audio Systems backs this speaker with a 3-year platinum online dealer warranty, underscoring a commitment to long-term value in your audio upgrade.\u003c\/p\u003e\n\u003c\/div\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: What are the key specifications of the BRS40 4-Inch Replacement Car Door Speaker?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Impedance 4 ohms, 50W max, 100 Hz–18 kHz range, and 82 dB sensitivity at 1W\/1m.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is professional installation recommended for this speaker?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, professional installation helps ensure proper fit and safe operation; sold individually with a 3-year warranty.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BOSS Audio Systems","offers":[{"title":"Default Title","offer_id":48410205225117,"sku":"B001RNNX8K","price":29.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/boss-audio-brs40-front-view.jpg?v=1781204831","url":"https:\/\/nexoltic.com\/products\/boss-audio-brs40-4-inch-car-door-speaker-50w-max-sold-individually","provider":"Nexoltic","version":"1.0","type":"link"}