{"product_id":"bmw-basic-sound-f-g-gen-speaker-subwoofer-upgrade-package-helix-ci3-ci5","title":"BMW Basic Sound F\/G Gen - Speaker \u0026 Subwoofer Upgrade Package | HELIX Ci3 \/ Ci5","description":"\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eOverview\u003c\/b\u003e If your BMW was fitted from the factory with the standard \"Basic\" non-amplified audio system, you already know it lacks clarity, instrument separation, and real low-end depth. The \u003cb data-path-to-node=\"4\" data-index-in-node=\"189\"\u003eBMW Basic Sound Speaker \u0026amp; Subwoofer Upgrade Package\u003c\/b\u003e is our premium, vehicle-specific solution engineered to completely overhaul your listening experience. Utilizing the cutting-edge \u003cb data-path-to-node=\"4\" data-index-in-node=\"371\"\u003eHelix COMPOSE Ci3 and Ci5\u003c\/b\u003e platforms by Audiotec Fischer, this custom-matched package swaps out the dull factory drivers for high-fidelity, high-efficiency components that bring your dashboard and footwells to life—all while keeping your cabin completely unchanged visually.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eKey Benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eTailored for Base Head Units:\u003c\/b\u003e The impedance and high efficiency of the Helix COMPOSE components are specifically optimized to pull clean, powerful audio directly from the standard factory BMW head unit without straining its internal amplifier.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eCrystal Clear Soundstage:\u003c\/b\u003e Upgrades the front doors with premium midranges and dedicated silk dome tweeters, adding pristine vocal clarity and high-frequency details missing from factory setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eAcoustically Matched Underseat Bass:\u003c\/b\u003e Features 4-Ohm underseat subwoofers engineered to maximize low-frequency response within the compact factory enclosures, replacing muddy tones with punchy, accurate bass.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,3,0\"\u003e\u003cb data-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003eInvisible Integration:\u003c\/b\u003e Every single speaker fits flawlessly behind factory grilles and door cards using model-specific Helix FlexMount adapters for a completely stealth finish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eInstallation\u003c\/b\u003e While this premium package features advanced Plug \u0026amp; Play connections and vehicle-specific mounting brackets, fine-tuning and meticulous door card removal require a specialist's touch. At our \u003cb data-path-to-node=\"7\" data-index-in-node=\"204\"\u003eRockdale workshop\u003c\/b\u003e, our team provides precise installation, integrating professional sound-deadening properties where needed to ensure your new Helix COMPOSE setup performs at its absolute peak in your BMW's unique acoustic environment.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e📦 Available for online purchase through MC Audio Sydney.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003eAs a professional car audio integration specialist, MC Audio Sydney supplies genuine components and offers expert installation services in Sydney, with Australia-wide shipping available.\u003c\/p\u003e","brand":"Mechatronicar Audio","offers":[{"title":"Default Title","offer_id":51862498935069,"sku":"92950","price":1611.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/7607\/0685\/files\/0.08394600_1781142949.webp?v=1781142951","url":"https:\/\/mcaudio.shop\/products\/bmw-basic-sound-f-g-gen-speaker-subwoofer-upgrade-package-helix-ci3-ci5","provider":"Mechatronicar Audio","version":"1.0","type":"link"}