{"product_id":"passive-bass-radiator-speaker-diaphragm-2-3-4-inch-diy","title":"Passive Bass Radiator Diaphragm 2\/3\/4 Inch – DIY Speaker","description":"\n\u003ch2\u003eUpgrade Your DIY Speaker Build with a Passive Bass Radiator Diaphragm\u003c\/h2\u003e\n\u003cp\u003eTake your audio projects to the next level with this \u003cstrong\u003ePassive Bass Radiator Speaker Diaphragm\u003c\/strong\u003e, available in 2-inch, 3-inch, and 4-inch sizes. Whether you're building a custom subwoofer enclosure, refreshing an existing speaker system, or crafting a home theater setup from scratch, this vibration plate is the perfect addition to your DIY toolkit.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Passive Radiator Diaphragm?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePowerful Low-Frequency Response:\u003c\/strong\u003e Engineered to reproduce deep, full bass tones that bring music, movies, and live audio to life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e Constructed from high-quality rubber and iron sheet for excellent resonance, durability, and long-lasting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Size Options:\u003c\/strong\u003e Choose from 2-inch, 3-inch, or 4-inch diameters to match your enclosure design perfectly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Application:\u003c\/strong\u003e Ideal for home theaters, party speakers, live performance rigs, portable Bluetooth speakers, and custom DIY audio builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Friendly Design:\u003c\/strong\u003e Easy to install into most standard speaker enclosures — no complex tools required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesigned for Enthusiasts \u0026amp; Professionals:\u003c\/strong\u003e A must-have upgrade for anyone who demands rich, immersive sound quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Type:\u003c\/strong\u003e Passive Bass Radiator \/ Speaker Diaphragm (Vibration Plate)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Rubber + Iron Sheet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e 2 inch \/ 3 inch \/ 4 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\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\u003e1x Passive Bass Radiator Speaker Diaphragm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Please allow 1–2 cm tolerance due to manual measurement. Colors may vary slightly depending on your monitor's display settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/18-pc-basswood-carving-blocks-whittling-wood-kit\"\u003e18 Pc Basswood Carving Blocks – Whittling Wood Kit for Carvers\u003c\/a\u003e – Great for custom speaker cabinet crafting projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e – A handy addition to any DIY workshop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a passive bass radiator diaphragm and how does it work?\u003c\/h4\u003e\n\u003cp\u003eA: A passive bass radiator (also called a passive radiator or drone cone) is a speaker diaphragm that moves in response to air pressure changes created by an active driver inside the enclosure. It enhances low-frequency output — producing deeper, richer bass — without requiring a dedicated amplifier or electrical connection of its own. It's commonly used in compact speaker enclosures where a traditional port tube isn't practical.\u003c\/p\u003e\n\u003ch4\u003eQ: Which size passive radiator diaphragm should I choose — 2, 3, or 4 inch?\u003c\/h4\u003e\n\u003cp\u003eA: The ideal size depends on your speaker enclosure dimensions and the active woofer you're pairing it with. As a general guideline: a 2-inch passive radiator suits small portable or desktop speaker builds, a 3-inch fits mid-sized enclosures, and the 4-inch works best in larger cabinets or home theater subwoofer builds that demand more low-frequency presence. Match the passive radiator size as closely as possible to your active driver size for the best acoustic results.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this passive radiator compatible with Bluetooth speaker enclosures?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This passive bass radiator diaphragm is a great fit for DIY Bluetooth speaker projects. Many compact Bluetooth speaker designs use passive radiators instead of bass ports to maximize low-end output in a small form factor. Simply mount it into the appropriate cutout in your enclosure for an instant bass boost.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a passive bass radiator diaphragm and how does it work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A passive bass radiator (also called a passive radiator or drone cone) is a speaker diaphragm that moves in response to air pressure changes created by an active driver inside the enclosure. It enhances low-frequency output — producing deeper, richer bass — without requiring a dedicated amplifier or electrical connection of its own. It's commonly used in compact speaker enclosures where a traditional port tube isn't practical.\"}}, {\"@type\": \"Question\", \"name\": \"Which size passive radiator diaphragm should I choose — 2, 3, or 4 inch?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ideal size depends on your speaker enclosure dimensions and the active woofer you're pairing it with. As a general guideline: a 2-inch passive radiator suits small portable or desktop speaker builds, a 3-inch fits mid-sized enclosures, and the 4-inch works best in larger cabinets or home theater subwoofer builds that demand more low-frequency presence. Match the passive radiator size as closely as possible to your active driver size for the best acoustic results.\"}}, {\"@type\": \"Question\", \"name\": \"Is this passive radiator compatible with Bluetooth speaker enclosures?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This passive bass radiator diaphragm is a great fit for DIY Bluetooth speaker projects. Many compact Bluetooth speaker designs use passive radiators instead of bass ports to maximize low-end output in a small form factor. Simply mount it into the appropriate cutout in your enclosure for an instant bass boost.\"}}]}\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:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Passive Bass Radiator Diaphragm 2\/3\/4 Inch – DIY Speaker\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/passive-bass-radiator-speaker-diaphragm-2-3-4-inch-diy\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"2 inches square","offer_id":44169497903191,"sku":"14:350853#2 inches square","price":10.0,"currency_code":"USD","in_stock":true},{"title":"3 inches square","offer_id":44169497935959,"sku":"14:10#3 inches square","price":11.28,"currency_code":"USD","in_stock":true},{"title":"4 inch round","offer_id":44169497968727,"sku":"14:29#4 inch round","price":15.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/Sa3597a56c8d74b60b41d86569fdb982dP.webp?v=1786798649","url":"https:\/\/axlcustomersupport.com\/products\/passive-bass-radiator-speaker-diaphragm-2-3-4-inch-diy","provider":"Axl","version":"1.0","type":"link"}