{"product_id":"40mm-full-range-speaker-4-ohm-5w-hifi-stereo-loudspeaker","title":"40mm Full Range Speaker 4 Ohm 5W HiFi Stereo Loudspeaker","description":"\n\u003ch2\u003e40mm Full Range Internal Magnetic Speaker – 4Ω 5W HiFi Audio\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio projects with this compact yet powerful \u003cstrong\u003e40mm full range loudspeaker\u003c\/strong\u003e. Designed for makers, hobbyists, and electronics enthusiasts, this internal magnetic speaker delivers clear, wide-frequency sound in a small form factor — ideal for Bluetooth speakers, walkie-talkies, amplifiers, and custom audio builds.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Frequency Range:\u003c\/strong\u003e Covers 0–20kHz for rich, detailed audio reproduction across the entire audible spectrum.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Magnetic Design:\u003c\/strong\u003e Minimizes external stray magnetic field interference and prevents magnetic leakage — ideal for use near sensitive electronics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Sensitivity:\u003c\/strong\u003e 94dB\/W sensitivity ensures loud, clear output even at lower drive voltages.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Internal Resistance:\u003c\/strong\u003e 4Ω impedance for efficient power transfer and compatibility with standard 4Ω amplifiers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built from quality metal materials and engineered to withstand high-strength, low-temperature cycle testing for lasting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Compatible with Bluetooth speakers, walkie-talkies, portable players, and amplifier circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Size:\u003c\/strong\u003e φ40mm x H20mm — fits neatly into space-constrained enclosures and DIY builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDriver Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40mm (φ40mm H20mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e94dB\/W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 – 20kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.4 – 4.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMagnetic Circuit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal Magnetic Type\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePot Bottom Hat Horn\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 40mm Full Range Internal Magnetic Speaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003ePlease allow 1–2cm measurement deviation due to manual measurement. Colors may vary slightly from product images due to monitor display differences.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2-inch-8-piece-hex-short-socket-set-vanadium-steel\"\u003e1\/2\" Drive 8-Piece Hex Short Socket Set – Vanadium Steel\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-piece-complete-gardening-tool-kit\"\u003e10-Piece Gardening Tool Kit – Iron Head \u0026amp; Plastic Handle\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-nut-bolt-extractor-tool-kit-10-piece\"\u003e10-Pc Hex Nut \u0026amp; Bolt Extractor Kit 9–19mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What devices is this 40mm speaker compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This full range 40mm speaker is compatible with a wide variety of devices including Bluetooth speakers, walkie-talkies, portable audio players, amplifiers, and custom DIY electronics projects. Any device using a 4Ω speaker with up to 5W power output will work with this driver.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the advantage of an internal magnetic speaker design?\u003c\/h4\u003e\n\u003cp\u003eA: An internal magnetic design significantly reduces external stray magnetic field emissions, meaning the speaker is less likely to interfere with nearby electronic components. This makes it especially well-suited for compact builds and devices that house multiple electronic parts in close proximity.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What amplifier is recommended for this speaker?\u003c\/h4\u003e\n\u003cp\u003eA: This speaker is designed to match a 4Ω, 5W power amplifier. The rated power is 3W, with a maximum of 5W, and a drive voltage range of 3.4–4.4V. Always ensure your amplifier's output matches or stays within these specifications for best performance and longevity.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What devices is this 40mm speaker compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This full range 40mm speaker is compatible with a wide variety of devices including Bluetooth speakers, walkie-talkies, portable audio players, amplifiers, and custom DIY electronics projects. 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Always ensure your amplifier's output matches or stays within these specifications for best performance and longevity.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/rw8eae-v1.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Car \u0026 Home Gadgets\", \"item\": \"https:\/\/rw8eae-v1.myshopify.com\/collections\/car-home-gadgets\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"40mm Full Range Speaker 4 Ohm 5W HiFi Stereo Loudspeaker\", \"item\": \"https:\/\/rw8eae-v1.myshopify.com\/products\/40mm-full-range-speaker-4-ohm-5w-hifi-stereo-loudspeaker\"}]}\u003c\/script\u003e","brand":"HIP","offers":[{"title":"Black","offer_id":46320231973098,"sku":"1005012141860751-Black","price":13.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4590\/4618\/files\/S98a74d7badbd4015b5ba639081648e70p.webp?v=1790187559","url":"https:\/\/hipcustomerservice.com\/products\/40mm-full-range-speaker-4-ohm-5w-hifi-stereo-loudspeaker","provider":"HIP","version":"1.0","type":"link"}