{"product_id":"52mm-full-range-speaker-units-3w-4-ohm-diy-hifi-stereo","title":"52mm 3W 4 Ohm Full Range Speaker Units | DIY HiFi Stereo","description":"\n\u003ch2\u003e52mm Full Range Speaker Units — DIY HiFi Stereo Sound, 3W 4 Ohm\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY audio builds with these compact yet powerful \u003cstrong\u003e52mm (2-inch) full range speaker units\u003c\/strong\u003e. Rated at \u003cstrong\u003e3W with 4 Ohm impedance\u003c\/strong\u003e, these square-frame loudspeakers deliver clear, well-balanced stereo sound across a wide frequency range — making them perfect for custom enclosures, Bluetooth speaker projects, desktop audio systems, and more.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're a hobbyist, maker, or audio enthusiast, these speaker drivers are an excellent building block for your next HiFi project. Available in packs of 2 to 6 so you can get exactly the quantity you need.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Range Performance:\u003c\/strong\u003e Covers a broad frequency response from F0 to 10,000 Hz for rich, detailed audio reproduction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3W Power \/ 4 Ohm Impedance:\u003c\/strong\u003e Efficient, low-impedance design compatible with a wide range of amplifier boards and DIY circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e52mm (2-inch) Diameter:\u003c\/strong\u003e Compact square frame fits neatly into custom enclosures and portable speaker builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e85 dB\/W Sensitivity:\u003c\/strong\u003e High sensitivity for clear, audible output even at lower power levels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStereo 2.0 Configuration:\u003c\/strong\u003e Designed for standard left\/right stereo channel setups\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Metal Construction:\u003c\/strong\u003e Hard-shell, metal build ensures long-lasting durability in DIY and permanent installations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Ideal for Bluetooth speaker enclosures, desktop speakers, intercom systems, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Pack Options:\u003c\/strong\u003e Choose 2, 3, 4, 5, or 6 units depending on your project requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeaker Type:\u003c\/strong\u003e Full Range Speaker Unit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 52mm (2 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 4 Ohm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 3W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 85 dB\/W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e F0 – 10,000 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio Output:\u003c\/strong\u003e Stereo (2.0 Channel)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal (Hard Shell)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Resistance:\u003c\/strong\u003e Not water resistant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2–6 x 52mm Speaker Units (as selected)\u003c\/li\u003e\n\u003c\/ul\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 – USB-C Rechargeable Cabinet Lamp\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel, Portable Mini\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-piece-storage-tray-360-degree-refrigerator-storage-rotating-tray-used-for-kitchen-spice-jars-and-sundry-storage-turntable-1\"\u003e360-Degree Rotating Storage Tray for Kitchen Organization\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 projects are these 52mm full range speaker units best suited for?\u003c\/h4\u003e\n\u003cp\u003eA: These 52mm, 3W, 4 Ohm full range speaker units are ideal for DIY Bluetooth speaker enclosures, desktop HiFi stereo builds, intercom systems, custom audio boxes, and any maker project requiring a compact, reliable loudspeaker driver. Their square frame design makes them easy to mount in a variety of enclosure styles.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these speaker units compatible with standard amplifier boards?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 4 Ohm impedance and 3W power rating are widely compatible with popular DIY amplifier modules, including PAM8403, TDA7297, and similar boards commonly used in hobbyist audio projects.\u003c\/p\u003e\n\u003ch4\u003eQ: Do these speakers require any additional components to work?\u003c\/h4\u003e\n\u003cp\u003eA: These are raw speaker driver units and will require an amplifier board and power source to produce audio. They are not standalone Bluetooth speakers — they are components intended for DIY audio builds and custom enclosures.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use these in a stereo setup?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. These speakers are designed for stereo 2.0 channel configurations. Purchasing a pair (2 units) gives you one driver for the left channel and one for the right, forming a complete stereo setup.\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 projects are these 52mm full range speaker units best suited for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These 52mm, 3W, 4 Ohm full range speaker units are ideal for DIY Bluetooth speaker enclosures, desktop HiFi stereo builds, intercom systems, custom audio boxes, and any maker project requiring a compact, reliable loudspeaker driver. 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