{"product_id":"plastic-bass-reflex-port-tubes-subwoofer-speaker-box-2pcs","title":"2Pcs Plastic Bass Reflex Port Tubes for Subwoofer Speaker Box","description":"\n\u003ch2\u003eUpgrade Your Sound with Bass Reflex Port Tubes\u003c\/h2\u003e\n\u003cp\u003eGet deeper, fuller bass from your speaker enclosures with these \u003cstrong\u003eFoxnovo Bass Reflex Port Tubes\u003c\/strong\u003e. Engineered for home, car, and portable audio setups, this 2-pack of plastic vent tubes optimizes airflow inside your speaker or subwoofer box — reducing distortion and delivering a richer, more immersive low-frequency response. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Bass Airflow:\u003c\/strong\u003e The bass reflex design channels air efficiently through the enclosure, enhancing low-end output and overall audio clarity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Construction:\u003c\/strong\u003e Built from high-quality ABS plastic to withstand repeated use and demanding environments without warping or breaking.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Fit:\u003c\/strong\u003e Compatible with a wide range of speaker box and subwoofer enclosure designs — perfect for new builds and retrofit upgrades alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValue 2-Pack:\u003c\/strong\u003e Get two port tubes in one pack, so you can upgrade multiple speaker cabinets or use both in a single ported enclosure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Lightweight and easy to install or relocate, making them ideal for musicians, DJs, and sound engineers on the go.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e ABS Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 60 x 150 mm (approx. 5.91 x 2.80 x 2.80 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 Pieces per Pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Home speakers, car audio subwoofers, portable speaker boxes, studio monitor enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 × Speaker Bass Reflex Port Tubes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete Your DIY Audio Build\u003c\/h3\u003e\n\u003cp\u003eLooking for more components for your audio or DIY projects? Check out these related items in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/multicolor-pompom-plush-fur-ball-beads-diy-jewelry-charms\"\u003e10pcs Multicolor Pompom Plush Fur Ball Beads – DIY Jewelry Charms\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-cord-end-caps-with-loop-jewelry-making-6pcs\"\u003eStainless Steel Cord End Caps with Loop – 6pcs Jewelry Findings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/metal-q-ring-spring-clasps-gold-silver-plated-jewelry-connectors\"\u003e10pcs Metal Q Ring Spring Clasps Gold Silver Plated Jewelry\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fueleconomy.gov\/feg\/drive.shtml\" target=\"_blank\" rel=\"noopener\"\u003eFuelEconomy.gov driving efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What size are these bass reflex port tubes and will they fit my speaker box?\u003c\/h4\u003e\n\u003cp\u003eA: Each tube measures 60mm in diameter and 150mm in length (approximately 5.91 x 2.80 inches). They are designed with a universal fit to suit a wide variety of speaker enclosures, subwoofer boxes, and cabinet builds. We recommend measuring your port opening before purchase to confirm compatibility.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these bass port tubes suitable for car audio subwoofer enclosures?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These plastic bass reflex port tubes are compatible with home speaker systems, car audio subwoofer boxes, and portable audio enclosures. Their durable ABS construction handles vibration well, making them a reliable choice for car audio builds.\u003c\/p\u003e\n\u003ch4\u003eQ: How do bass reflex port tubes improve speaker performance?\u003c\/h4\u003e\n\u003cp\u003eA: Bass reflex port tubes work by allowing air to move in and out of a sealed enclosure in a controlled way, which reinforces low-frequency output. This increases bass efficiency, reduces cabinet resonance, and minimizes distortion — resulting in a louder, cleaner low-end sound.\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 are these bass reflex port tubes and will they fit my speaker box?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each tube measures 60mm in diameter and 150mm in length (approximately 5.91 x 2.80 inches). They are designed with a universal fit to suit a wide variety of speaker enclosures, subwoofer boxes, and cabinet builds. We recommend measuring your port opening before purchase to confirm compatibility.\"}}, {\"@type\": \"Question\", \"name\": \"Are these bass port tubes suitable for car audio subwoofer enclosures?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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