{"product_id":"14-23-harley-davidson®-street-glide-4-speaker-system-da1423sgsp4","title":"Diamond Audio 14 - 23 Harley Davidson Street Glide 4-Speaker System - DA1423SGSP4","description":"\u003ch2\u003eDiamond Audio 14 - 23 Harley Davidson Street Glide 4-Speaker System - DA1423SGSP4\u003c\/h2\u003e\n\u003cp\u003eIntroducing the Diamond Audio \u003cstrong\u003eDA1423SGSP4\u003c\/strong\u003e , a precision-engineered, four-speaker high-output sound pack purpose-built for the 2014–2023 Harley-Davidson Street Glide. This is not just an upgrade; it is a complete acoustic overhaul designed for the hardcore rider who demands maximum sound pressure levels (SPL) and surgical projection at 80+ MPH.\u003c\/p\u003e\n\u003cp\u003eAt the heart of this system are the pro-audio grade \u003cstrong\u003eMP Series speakers\u003c\/strong\u003e . Equipped with a powerful integrated \u003cstrong\u003ecompression tweeter\u003c\/strong\u003e  engineered for extreme projection and crisp detail, these speakers are specifically designed to cut through the most aggressive wind and road noise. Providing the muscle for this front-and-rear stage setup is the \u003cstrong\u003eMicro V2 Series 4-Channel Class D amplifier\u003c\/strong\u003e , a masterpiece of efficiency providing massive dynamic headroom and crystal-clean loudness while maintaining a compact, heat-dissipating footprint perfect for fairing integration.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDA1423SGSP4\u003c\/strong\u003e  ensures total system integrity through our dedicated \u003cstrong\u003eRCA Harness Kit\u003c\/strong\u003e  and specialized \u003cstrong\u003eintegration software\u003c\/strong\u003e , bypassing factory bottlenecks to provide the cleanest signal path possible. Combined with the \u003cstrong\u003eMSPWHR OFC Power Harness\u003c\/strong\u003e , this kit utilizes 100% Oxygen-Free Copper to eliminate resistance and signal noise. Finished with the OEM-fit \u003cstrong\u003eDHDSG grilles\u003c\/strong\u003e  and the high-performance \u003cstrong\u003eMSMP692LK cut-in lid kit\u003c\/strong\u003e , this system offers a seamless factory look with the ultimate high-performance audio experience.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for 2014-2023 Platforms:\u003c\/strong\u003e  Specifically tuned for the \"Rushmore\" fairing geometry and factory head-unit output curves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Projection:\u003c\/strong\u003e  MP Series compression driver technology ensures your music remains loud, crisp, and detailed even at high highway speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-Stage Power:\u003c\/strong\u003e  A comprehensive 4-channel solution providing high-fidelity, high-output sound for both the fairing and the saddlebag lids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Signal Path:\u003c\/strong\u003e  Includes specialized wiring and software to ensure a noise-free, high-fidelity connection from the factory source.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-end=\"184\" data-start=\"32\" data-section-id=\"yhodl\"\u003e\n\u003cstrong data-end=\"89\" data-start=\"34\"\u003eDesigned for 2014–2023 Harley-Davidson Street Glide\u003c\/strong\u003e – Precision-fit system engineered for seamless OEM-style integration and clean factory look.\u003c\/li\u003e\n\u003cli data-end=\"328\" data-start=\"185\" data-section-id=\"agj4um\"\u003e\n\u003cstrong data-end=\"229\" data-start=\"187\"\u003eComplete 4-speaker performance upgrade\u003c\/strong\u003e – Front and rear speaker configuration delivers a fuller, more immersive soundstage for touring.\u003c\/li\u003e\n\u003cli data-end=\"485\" data-start=\"329\" data-section-id=\"1lg42ve\"\u003e\n\u003cstrong data-end=\"372\" data-start=\"331\"\u003eHigh-output clarity at highway speeds\u003c\/strong\u003e – Premium drivers are tuned to maintain strong vocal clarity and crisp highs even against wind and road noise.\u003c\/li\u003e\n\u003cli data-end=\"622\" data-start=\"486\" data-section-id=\"leaya6\"\u003e\n\u003cstrong data-end=\"522\" data-start=\"488\"\u003eBalanced touring sound profile\u003c\/strong\u003e – Optimized for long-distance riding with emphasis on smooth midrange and fatigue-free listening.\u003c\/li\u003e\n\u003cli data-end=\"759\" data-start=\"623\" data-section-id=\"160tcm5\"\u003e\n\u003cstrong data-end=\"655\" data-start=\"625\"\u003ePlug-and-play installation\u003c\/strong\u003e – Vehicle-specific harnessing reduces install complexity and helps preserve factory wiring integrity.\u003c\/li\u003e\n\u003cli data-end=\"902\" data-start=\"760\" data-section-id=\"1hyjk48\"\u003e\n\u003cstrong data-end=\"795\" data-start=\"762\"\u003eAmplifier-ready system design\u003c\/strong\u003e – Built to scale with upgraded amplification for higher output, improved dynamics, and lower distortion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e   \u003cbr\u003eQ\u0026amp;A    \u003c\/h5\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What motorcycles is this audio system compatible with?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: The Diamond Audio DA1423SGSP4 is designed for 2014–2023 Harley-Davidson Street Glide (FLHX\/FLHXS) models with a full 4-speaker fairing and saddlebag lid configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What does the system include?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It includes a plug-and-play digital media receiver, 4-channel Class D amplifier, 6.5-inch fairing speakers, 6x9-inch saddlebag lid speakers, replacement fairing grilles, wiring harnesses, and cut-in lid integration hardware for a complete upgrade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Does it require cutting or major modifications?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: No. It’s designed as a plug-and-play system using model-specific harnesses and integration software for a clean, factory-style installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is it loud enough for highway riding?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. High-output compression tweeter speakers combined with a Class D amplifier are engineered for strong projection and clarity that cuts through wind and road noise at highway speeds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Does it support modern smartphone connectivity?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. The included digital media receiver supports smartphone integration and high-voltage signal output for improved clarity and system control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Why choose the Diamond Audio DA1423SGSP4?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It’s a complete flagship 4-speaker upgrade delivering full-bike coverage, high-power amplification, plug-and-play installation, and pro-audio clarity tailored for 2014–2023 Street Glide models.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1dwvijn\" data-start=\"154\" data-end=\"281\"\u003e\n\u003cstrong data-start=\"156\" data-end=\"180\"\u003eMoisture protection:\u003c\/strong\u003e Ensure fairing, lid, and amp areas stay sealed; avoid direct pressure washing into speaker grills.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14nebci\" data-start=\"282\" data-end=\"394\"\u003e\n\u003cstrong data-start=\"284\" data-end=\"306\"\u003eElectrical health:\u003c\/strong\u003e Check battery voltage regularly—low voltage causes distortion or amp protection mode.\u003c\/li\u003e\n\u003cli data-section-id=\"1vsn40g\" data-start=\"395\" data-end=\"507\"\u003e\n\u003cstrong data-start=\"397\" data-end=\"415\"\u003eGain settings:\u003c\/strong\u003e Set amp gain correctly (avoid maxing volume); clipping is the #1 cause of speaker damage.\u003c\/li\u003e\n\u003cli data-section-id=\"luy6zo\" data-start=\"508\" data-end=\"623\"\u003e\n\u003cstrong data-start=\"510\" data-end=\"527\"\u003eWiring check:\u003c\/strong\u003e Periodically inspect OFC power\/ground\/RCA connections for corrosion, looseness, or heat wear.\u003c\/li\u003e\n\u003cli data-section-id=\"c6loq2\" data-start=\"624\" data-end=\"725\"\u003e\n\u003cstrong data-start=\"626\" data-end=\"643\"\u003eSpeaker care:\u003c\/strong\u003e Clean grills gently; avoid solvents that can damage cone surrounds or coatings.\u003c\/li\u003e\n\u003cli data-section-id=\"164r0bl\" data-start=\"726\" data-end=\"818\"\u003e\n\u003cstrong data-start=\"728\" data-end=\"748\"\u003eHeat management:\u003c\/strong\u003e Keep amplifier vents clear—overheating reduces output and lifespan.\u003c\/li\u003e\n\u003cli data-section-id=\"6vijlo\" data-start=\"819\" data-end=\"935\"\u003e\n\u003cstrong data-start=\"821\" data-end=\"864\"\u003eFirmware\/system tuning (if applicable):\u003c\/strong\u003e Recheck DSP\/head unit settings after updates or battery disconnects.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Diamond Audio","offers":[{"title":"Default Title","offer_id":45779775226047,"sku":"DA1423SGSP4","price":1462.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/DA1423SGSP4.jpg?v=1782532216","url":"https:\/\/www.mybackyardzone.com\/products\/14-23-harley-davidson%c2%ae-street-glide-4-speaker-system-da1423sgsp4","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}