{"product_id":"40mm-full-range-internal-magnet-speaker-4-ohm-3w-portable","title":"40mm Full-Range Internal Magnet Speaker 4Ω 3W | HUXUAN","description":"\n\u003ch2\u003eHUXUAN 40mm Full-Range Internal Magnet Speaker — Clear, Versatile Sound in a Compact Form\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eHUXUAN 40mm Square Internal Magnet Speaker\u003c\/strong\u003e delivers full-frequency audio coverage in a compact, portable form factor. Engineered with a 16-core voice coil, 4Ω impedance, and 3W rated power, it is an ideal replacement or upgrade driver for Bluetooth speakers, walkie-talkies, DIY audio projects, and other portable electronics. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull-Range Audio:\u003c\/strong\u003e Covers 0–20KHz for clear, balanced sound reproduction across the entire audible spectrum.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Magnet Design:\u003c\/strong\u003e Minimal magnetic leakage means low susceptibility to external magnetic interference — great for compact enclosures and sensitive electronics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Sensitivity:\u003c\/strong\u003e 94dB\/W sensitivity ensures efficient audio output even at lower power levels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Internal Resistance:\u003c\/strong\u003e Maximizes amplifier efficiency and maintains signal integrity for crisp sound quality.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Resilient:\u003c\/strong\u003e Tested through rigorous high-intensity, low-temperature cycling to ensure long-lasting durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Works with 4Ω 3W amplifiers; suitable for walkie-talkies, Bluetooth speakers, intercoms, and DIY audio builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Dimensions:\u003c\/strong\u003e φ40mm x H20mm — fits neatly into tight enclosures without compromising performance.\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\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquare 40mm Internal Magnet Speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMagnetic Circuit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal Magnet\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeaker Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePot-bottom Cap Speaker\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\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω\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\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eφ40mm x H20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCabinet Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;25W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB (5–20V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\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 Internal Magnet Speaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003ePerfect for a wide range of audio applications including walkie-talkies, portable Bluetooth speakers, DIY speaker projects, intercoms, and other consumer electronics requiring a reliable, full-range driver.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10cm-wireless-led-motion-sensor-night-light-type-c-rechargeable-cabinet-wardrobe-lamp-for-staircase-backlight-kitchen-lighting\"\u003e10CM Wireless LED Motion Sensor Night Light – Type-C Rechargeable Cabinet Lamp\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-high-end-car-fragrance-distribution-pendant-no-empty-bottle-of-perfume-elegant-accessories-for-car-interior-car-scent-penda\"\u003eHigh-End Car Fragrance Pendant – Elegant Car Interior Accessory\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Colors in product images may vary slightly due to monitor brightness and lighting conditions. Please allow minor measurement tolerances for stated dimensions.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What amplifier is this 40mm internal magnet speaker compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This full-range speaker is rated at 4Ω impedance and 3W power, making it directly compatible with any 4Ω 3W amplifier board or module. It works well in Bluetooth speaker builds, walkie-talkies, intercoms, and similar DIY audio electronics.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the internal magnet design make any difference compared to an external magnet speaker?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the internal magnet design significantly reduces magnetic flux leakage, which means the speaker produces less stray magnetic field. This makes it a better choice for devices where nearby electronic components could be affected by magnetic interference, such as compact Bluetooth speakers or communication devices.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this speaker waterproof or suitable for outdoor use?\u003c\/h4\u003e\n\u003cp\u003eA: This speaker is not waterproof and is not rated for direct outdoor or wet-environment use. It is best suited for use inside enclosures in dry indoor settings or integrated into finished portable electronic devices.\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 amplifier is this 40mm internal magnet speaker compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This full-range speaker is rated at 4Ω impedance and 3W power, making it directly compatible with any 4Ω 3W amplifier board or module. It works well in Bluetooth speaker builds, walkie-talkies, intercoms, and similar DIY audio electronics.\"}}, {\"@type\": \"Question\", \"name\": \"Does the internal magnet design make any difference compared to an external magnet speaker?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — the internal magnet design significantly reduces magnetic flux leakage, which means the speaker produces less stray magnetic field. This makes it a better choice for devices where nearby electronic components could be affected by magnetic interference, such as compact Bluetooth speakers or communication devices.\"}}, {\"@type\": \"Question\", \"name\": \"Is this speaker waterproof or suitable for outdoor use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This speaker is not waterproof and is not rated for direct outdoor or wet-environment use. It is best suited for use inside enclosures in dry indoor settings or integrated into finished portable electronic devices.\"}}]}\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:\/\/pg0se5-51.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/pg0se5-51.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"40mm Full-Range Internal Magnet Speaker 4Ω 3W | HUXUAN\", \"item\": \"https:\/\/pg0se5-51.myshopify.com\/products\/40mm-full-range-internal-magnet-speaker-4-ohm-3w-portable\"}]}\u003c\/script\u003e","brand":"Babs","offers":[{"title":"one size","offer_id":53162436493452,"sku":"14:193#one size","price":3.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/2862\/6316\/files\/Se85eae02f6f641028d9157297d4ede267.webp?v=1787163248","url":"https:\/\/babcustomersupport.com\/products\/40mm-full-range-internal-magnet-speaker-4-ohm-3w-portable","provider":"Babs","version":"1.0","type":"link"}