{"product_id":"foam-speaker-port-bungs-bass-tuning-plugs-35-65mm","title":"Foam Speaker Port Bungs Bass Tuning Plugs 35–65mm Black","description":"\n\u003ch2\u003eFoam Speaker Port Bungs – Bass Tuning Plugs for Woofers \u0026amp; HiFi Speakers\u003c\/h2\u003e\n\u003cp\u003eGet cleaner, tighter bass from your speakers with these high-quality open-cell foam port bungs. Designed to fit snugly into rear bass reflex ports, they help fine-tune your speaker's low-frequency response — reducing unwanted boom and muddiness for a more balanced, room-friendly sound. Available in five sizes to suit a wide range of speaker port diameters.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Open-Cell Foam:\u003c\/strong\u003e Crafted from durable, high-quality open-cell foam that maintains its shape and acoustically controls bass port airflow for improved clarity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTune Your Sound:\u003c\/strong\u003e Simply insert into your speaker's rear port to adjust the frequency response and tighten up low-end performance — great for home listening rooms of all sizes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerfect for Near-Wall Placement:\u003c\/strong\u003e Especially effective when your speakers are positioned close to a wall, helping to minimise the exaggerated boom that rear walls can create.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Sizes Available:\u003c\/strong\u003e Choose from 35, 44, 55, 60, or 65mm diameter options to match your specific speaker port. It's recommended to select a size slightly larger than your port diameter for a secure, snug fit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiscreet Black Finish:\u003c\/strong\u003e Low-profile black design blends seamlessly with any speaker cabinet aesthetic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Name:\u003c\/strong\u003e Foam Loudspeaker Port Bung\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality open-cell foam\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Sizes (Diameter × Height):\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e35mm × 50mm\u003c\/li\u003e\n      \u003cli\u003e44mm × 65mm\u003c\/li\u003e\n      \u003cli\u003e55mm × 50mm\u003c\/li\u003e\n      \u003cli\u003e60mm × 60mm\u003c\/li\u003e\n      \u003cli\u003e65mm × 60mm\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 piece per pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Foam Loudspeaker Port Bung (size as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSizing Note\u003c\/h3\u003e\n\u003cp\u003ePlease select a size that is slightly larger than your speaker's port hole diameter, as the foam can be gently compressed for a secure fit. A bung that is too small may not stay in place. Manual measurement tolerances of 1–2mm may apply.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset\"\u003e12pcs 16mm Momentary Push Button Switch – 1NO Metal 2-Pin Self-Reset\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-2-pin-quick-splice-spring-wire-connectors-lock-terminals\"\u003e10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals\u003c\/a\u003e\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 size foam speaker port bung should I choose for my speakers?\u003c\/h4\u003e\n\u003cp\u003eA: It is recommended to select a foam speaker port bung that is slightly larger than the measured diameter of your speaker's bass reflex port. The open-cell foam can be gently compressed to fit snugly. If you select a size that is too small, the bung may not hold securely in place. Sizes available are 35mm, 44mm, 55mm, 60mm, and 65mm in diameter.\u003c\/p\u003e\n\u003ch4\u003eQ: How do foam speaker port bungs improve audio quality?\u003c\/h4\u003e\n\u003cp\u003eA: Foam speaker port bungs are inserted into the rear bass reflex (port) opening of a speaker cabinet. They regulate airflow through the port, which helps tighten and tune the low-frequency bass response — reducing unwanted boomy or muddy bass, especially in rooms where speakers are placed close to walls or corners.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these speaker port bungs suitable for all speaker brands?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — as long as you select the correct size to match your speaker's port diameter, these foam bungs are compatible with virtually any brand of ported\/bass-reflex speaker cabinet, including bookshelf speakers, floorstanding speakers, and subwoofers with matching port sizes.\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 size foam speaker port bung should I choose for my speakers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is recommended to select a foam speaker port bung that is slightly larger than the measured diameter of your speaker's bass reflex port. The open-cell foam can be gently compressed to fit snugly. If you select a size that is too small, the bung may not hold securely in place. 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