{"product_id":"grs-3fr-4-3-full-range-speaker-driver-4ω","title":"GRS 3FR-4 3\" Full-Range Speaker Driver 4Ω","description":"\u003cp\u003e\u003cstrong\u003eThe GRS 3FR-4 is a compact 3-inch full-range speaker driver with a 4-ohm impedance engineered for clear, balanced sound in small enclosures and DIY audio projects.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for hobbyists, installers, and compact-system builders, this driver pairs a coated paper cone and foam surround with an economical ferrite magnet to deliver intelligible midrange and upper-bass from a very small footprint. The pincushion-style frame, front gasket, and GRS quality control make it a practical choice when space, cost, and reliable performance matter.\u003c\/p\u003e\n\n\u003ch3\u003eWhat sound character can I expect from this 3-inch full-range driver?\u003c\/h3\u003e\n\u003cp\u003eYou can expect focused midrange clarity and workable high-frequency response ideal for small cabinets, portable devices, or nearfield monitors. It is not a subwoofer, so bass depth is limited compared with larger drivers; it excels at vocals and detailed midrange content.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCoated paper cone for natural tone and quick transient response\u003c\/li\u003e\n  \u003cli\u003eFoam surround helps control cone motion and reduces coloration\u003c\/li\u003e\n  \u003cli\u003eBalanced output across mid and upper frequencies for vocal presence\u003c\/li\u003e\n  \u003cli\u003eBest used with an enclosure tuned for small full-range drivers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to mount and wire the GRS 3FR-4 in a project?\u003c\/h3\u003e\n\u003cp\u003eMounting and wiring are straightforward — the pincushion-style frame provides multiple screw points and a front gasket ensures a snug acoustic seal. Standard speaker terminals accept wire hookup without special adapters, making it suitable for quick installations and DIY panels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePincushion frame with pre-drilled mounting holes for easy attachment\u003c\/li\u003e\n  \u003cli\u003eFront gasket improves sealing against baffle leakage\u003c\/li\u003e\n  \u003cli\u003eStandard 4-ohm impedance compatible with most small amplifiers\u003c\/li\u003e\n  \u003cli\u003eClear terminal layout for straightforward wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build features and reliability details I should know?\u003c\/h3\u003e\n\u003cp\u003eThe 3FR-4 combines cost-effective components with GRS manufacturing standards: a ferrite magnet motor, coated paper cone, and foam surround assembled for consistent performance. GRS backs the product with a one-year warranty for peace of mind on normal use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEconomical ferrite magnet assembly balancing cost and performance\u003c\/li\u003e\n  \u003cli\u003eDurable coated paper cone for extended use and tonal consistency\u003c\/li\u003e\n  \u003cli\u003eFoam surround chosen for controlled excursion at small cone diameters\u003c\/li\u003e\n  \u003cli\u003eIncludes GRS quality checks and a 1-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich applications work best with this GRS full-range driver?\u003c\/h3\u003e\n\u003cp\u003eThis driver is suited to compact speaker cabinets, multimedia enclosures, DIY Bluetooth speakers, and small PA or intercom systems where space is limited and clarity matters more than deep bass. Pair it with a small woofer or passive radiator if you need extended low-frequency output.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmall bookshelf or desktop speakers where midrange detail is prioritized\u003c\/li\u003e\n  \u003cli\u003ePortable and DIY Bluetooth speaker projects with limited internal volume\u003c\/li\u003e\n  \u003cli\u003eNearfield monitors and vocal reproduction in tight enclosures\u003c\/li\u003e\n  \u003cli\u003eMulti-driver arrays where it serves as the primary mid\/high element\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: audio DIYers, hobbyist builders, small-system integrators, and anyone needing a budget-friendly, compact full-range driver for clear midband performance in tight spaces. If you require deep bass or high-power handling, consider pairing this driver or stepping up to larger woofers and dedicated tweeters.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What impedance is the GRS 3FR-4 and will it work with my amp?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The driver is 4 ohms; it works with most small amps but check your amplifier's compatibility with 4Ω loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this driver include a warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, GRS provides a one-year warranty covering manufacturing defects under normal use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GRS","offers":[{"title":"Default Title","offer_id":48412918907037,"sku":"B00K2ESJZ2","price":21.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/grs-3fr-4-front-view.jpg?v=1781253003","url":"https:\/\/nexoltic.com\/products\/grs-3fr-4-3-full-range-speaker-driver-4%cf%89","provider":"Nexoltic","version":"1.0","type":"link"}