{"product_id":"3-inch-full-range-speaker-units-8-ohm-pair","title":"3 Inch Full-Range Speaker Units – 78 mm, 8 Ohm, Pair for DIY Builds","description":"\u003cp\u003eThese 3 inch full-range speaker units are a pair of bare 78 mm drivers for building a Bluetooth speaker, a small bookshelf box or replacing a blown unit in a computer speaker. Each has a black cone with a soft surround, a square frame with four screw holes and solder tabs on the back. At 8 ohm they match most small amplifier boards. It is part of our \u003ca href=\"\/collections\/electronics\"\u003eElectronics\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull range\u003c\/strong\u003e – one driver covers voice and music without a tweeter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e78 mm square frame\u003c\/strong\u003e – four corner screw holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge magnet\u003c\/strong\u003e – 59 mm across\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 ohm\u003c\/strong\u003e – suits small stereo amp boards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold as a pair\u003c\/strong\u003e – left and right channel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e3 in, 78 mm (3.07 in) square frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eScrew holes\u003c\/th\u003e\n\u003ctd\u003e60 mm (2.36 in) apart, 85 mm (3.35 in) diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMagnet\u003c\/th\u003e\n\u003ctd\u003e59 mm (2.32 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDepth\u003c\/th\u003e\n\u003ctd\u003e35 mm (1.38 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e8 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated power\u003c\/th\u003e\n\u003ctd\u003e20 W (maker's rating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e2 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eIn the box\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2 speaker units (no cabinet, wires or amplifier)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these complete speakers?\u003c\/strong\u003e\u003cbr\u003eNo, these 3 inch full-range speaker units are bare drivers for building or repairing a speaker box; they need a cabinet and an amplifier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size hole do the 3 inch speaker units need?\u003c\/strong\u003e\u003cbr\u003eEach 3 inch speaker unit has a 78 mm square frame with screw holes 60 mm apart (85 mm diagonal), a 59 mm magnet and 35 mm depth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat impedance are the 3 inch speaker units?\u003c\/strong\u003e\u003cbr\u003eThe 3 inch speaker units are 8 ohm, so they suit most small stereo amplifier boards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuying more than one, ordering again, or shopping for a gift or event?\u003c\/strong\u003e Email \u003ca href=\"mailto:cs@elysianoble.com\"\u003ecs@elysianoble.com\u003c\/a\u003e with the product link for a personal quote.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShipping and returns\u003c\/strong\u003e – see our \u003ca href=\"\/policies\/shipping-policy\"\u003eShipping Policy\u003c\/a\u003e and \u003ca href=\"\/policies\/refund-policy\"\u003eRefund Policy\u003c\/a\u003e for delivery times and how returns work.\u003c\/p\u003e","brand":"Elysianoble","offers":[{"title":"Default Title","offer_id":43096610537542,"sku":"\u003cnone\u003e","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/4747\/2198\/files\/Se6f003d841664d7d90a67b08dc890699l.webp?v=1747671776","url":"https:\/\/elysianoble.com\/products\/3-inch-full-range-speaker-units-8-ohm-pair","provider":"Elysianoble","version":"1.0","type":"link"}