{"title":"Precision Power - Subwoofers","description":"\u003ch2\u003ePrecision Power Subwoofers for Harley-Davidson Touring\u003c\/h2\u003e\n\n\u003cp\u003eA subwoofer adds the deep low end that speakers alone cannot reach, and Precision Power packages it into saddlebag kits that make the install straightforward. Rather than sourcing a driver, enclosure and amplifier separately, you fit a kit designed for the saddlebag, which is the value-focused path to real bass on a Harley. A powered option includes its own amplification for the simplest install of all.\u003c\/p\u003e\n\n\u003cp\u003eThis collection carries the HD13-SBW saddlebag subwoofer kit and the HD14-SBW powered saddlebag subwoofer kit for 2014 and newer bikes. Choose the kit that matches your bike, and note that the powered version includes its own amplifier while other kits pair with an amplifier you supply.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep low end:\u003c\/strong\u003e saddlebag subwoofer kits that add the bass foundation speakers cannot reach.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimpler install:\u003c\/strong\u003e a kit designed for the saddlebag rather than sourcing driver, box and amp separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowered option:\u003c\/strong\u003e the HD14-SBW includes its own amplification for the simplest install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel-matched:\u003c\/strong\u003e kits designed for the Harley saddlebag, including 2014 and newer fitment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue-focused:\u003c\/strong\u003e real bass at a sensible price with less install work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdetails style=\"border-bottom:1px solid #E6E6E6;padding:12px 0;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;\"\u003eDo I need a separate amplifier?\u003c\/summary\u003e\u003cp\u003eThe powered HD14-SBW includes its own amplification, so no. The HD13-SBW kit pairs with an amplifier you supply. Check the kit detail for what is included.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"border-bottom:1px solid #E6E6E6;padding:12px 0;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;\"\u003eWill a kit fit my bike?\u003c\/summary\u003e\u003cp\u003eThe kits are designed for the Harley saddlebag, with the HD14-SBW covering 2014 and newer models. Confirm your exact year and model on the product.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"border-bottom:1px solid #E6E6E6;padding:12px 0;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;\"\u003eHow much bass will it add?\u003c\/summary\u003e\u003cp\u003eA saddlebag subwoofer adds the deep low end that fills out the bottom of the system, on top of the mid-bass your speakers provide. Pair it with a full speaker upgrade for the best result.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"border-bottom:1px solid #E6E6E6;padding:12px 0;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;\"\u003eCan I run it with any amplifier?\u003c\/summary\u003e\u003cp\u003eThe non-powered kit pairs with a mono amplifier sized to the driver. Tell us your setup and we will confirm the right amplifier. See the \u003ca href=\"\/collections\/precision-power-amplifiers\"\u003ePrecision Power amplifier\u003c\/a\u003e.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cp\u003eNot sure which subwoofer kit suits your Harley-Davidson Touring motorcycle? Use the detail on each product, or \u003ca href=\"\/pages\/contact-us\"\u003econtact Motorcycle Audio Australia\u003c\/a\u003e with your bike's year, model, current setup and goals and we'll confirm the right parts.\u003c\/p\u003e","products":[{"product_id":"precision-power-hd13-sbw-harley-saddlebag-subwoofer-kit","title":"Precision Power HD13.SBW – 300W Saddlebag Subwoofer Kit for 1998–2013 Harley-Davidson® Touring","description":"\u003c!-- TAB 1: OVERVIEW --\u003e\n\n\u003ch2\u003eSelf-contained 300W powered saddlebag subwoofer for 1998–2013 Harley Touring — down-firing, no structural modification, no external amplifier required.\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe HD13.SBW is Precision Power's powered saddlebag subwoofer system for 1998–2013 Harley-Davidson® Touring hard-shell saddlebags. A down-firing subwoofer driver, passive radiator, and 300W Class-D amplifier are housed in a rotomolded ABS enclosure sized for the OEM hard-shell bag — no cutting, no fibreglassing, no structural modification to the bag. A hydrophonic membrane port projects bass from the enclosure while blocking water and debris. Plug-n-play harness supports factory Boom!™ Box and aftermarket head units. Available in clutch-side (HD13.SBWL) and brake-side (HD13.SBWR) variants. Sold individually — one saddlebag per order.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMost approaches to adding bass to a Harley Touring system involve a compromise — an underpowered unit that doesn't move enough air, or a fabrication project that leaves the saddlebag no longer usable as storage. The HD13.SBW does neither: a complete powered subwoofer in a single enclosure, designed to fit inside the factory bag, drawing signal from the existing head unit through a harness that requires no rewiring. Fit it, connect it, close the bag.\u003c\/p\u003e\n\n\u003ch3\u003eWho This Is For\u003c\/h3\u003e\n\u003cp\u003eRiders who want genuine low-frequency impact from a 1998–2013 Harley Touring system without modifying the saddlebag or adding a separate amplifier. The HD13.SBW supplements the front-stage speakers — it does not replace them. Use it alongside front fairing speakers where the low end needs reinforcement below 80 Hz. Contact Motorcycle Audio Australia to confirm fitment and discuss system integration before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Is Best For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-contained powered bass — no external amplifier required:\u003c\/strong\u003e The 300W Class-D amplifier is built into the enclosure. The HD13.SBW needs a signal input and a power connection — no separate amplifier channel to provision, no remote turn-on wire to route through the fairing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo structural modification to the saddlebag:\u003c\/strong\u003e The enclosure is sized to fit inside the OEM 1998–2013 hard-shell bag. Remove the standard bag liner, fit the HD13.SBW, reconnect the harness. The bag closes and functions as normal storage around the enclosure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHydrophonic membrane port system:\u003c\/strong\u003e The membrane port allows bass pressure to project into the saddlebag space while blocking water and debris from entering the enclosure — the same membrane technology used in waterproof action sports earphones. It performs the acoustic function of a ported enclosure without a conventional open port that would admit water during rain or washdowns.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory and aftermarket head unit compatible:\u003c\/strong\u003e The plug-n-play harness supports high-level (speaker-level) input from factory Boom!™ Box radios and low-level (RCA) input from aftermarket head units with pre-out outputs. No rewiring of the factory loom required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"maa-alert\"\u003e\n  \u003ch3\u003eBefore You Order — Compatibility Notes\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eSold individually — select the correct side:\u003c\/strong\u003e Each HD13.SBW covers a single saddlebag. For bass from both sides, order both the HD13.SBWL (clutch side, left) and HD13.SBWR (brake side, right). The two variants are not interchangeable — select the correct side before adding to cart.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eStandard OEM hard-shell saddlebags only:\u003c\/strong\u003e The HD13.SBW is designed for 1998–2013 OEM hard-shell bag internal dimensions. Aftermarket saddlebags vary in internal volume — confirm clearance before ordering. Contact Motorcycle Audio Australia to confirm fitment with your specific setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eThe Bottom Line\u003c\/h3\u003e\n\u003cp\u003eThe HD13.SBW is the practical solution for adding bass to a 1998–2013 Harley Touring system — complete powered subwoofer in a single enclosure, no structural modification, and a plug-n-play harness that works with factory and aftermarket head units. Select the correct side variant: HD13.SBWL for the clutch side, HD13.SBWR for the brake side. Order both for dual-bag installation.\u003c\/p\u003e\n\n\u003chr class=\"maa-tab-split\"\u003e\n\n\u003c!-- TAB 2: TECHNICAL SPECIFICATIONS --\u003e\n\n\u003ch3\u003eWhat's Inside the HD13.SBW\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003edown-firing subwoofer driver with passive radiator\u003c\/strong\u003e is the core of the HD13.SBW's bass output. A passive radiator is a secondary cone with no motor — it moves in response to air pressure generated by the active driver, extending low-frequency output below what a sealed enclosure of the same volume can achieve. The down-firing orientation directs bass energy downward into the bag space rather than outward, making efficient use of the enclosed volume and the hydrophonic membrane port system. A \u003cstrong\u003eneodymium magnet motor\u003c\/strong\u003e keeps the driver compact and efficient in an application where footprint inside the bag is constrained. \u003cem\u003eOn the road: at highway speed with the rear stage running, the passive radiator extends low-end output into the range that front-stage speakers can't reach — the difference between music you can feel across the seat and music that sounds thin against wind noise.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eintegrated 300W Class-D amplifier\u003c\/strong\u003e is built directly into the enclosure, providing the subwoofer with a dedicated power channel without requiring a separate amplifier. Class-D topology produces significantly less heat relative to the power delivered compared to Class-A\/B designs — important in an enclosed saddlebag where ambient temperature can already be elevated on a long summer ride. \u003cstrong\u003eBuilt-in protection circuitry\u003c\/strong\u003e manages thermal, short-circuit, and overload conditions automatically. \u003cem\u003eOn the road: on a long touring day with the subwoofer running continuously in a closed bag, the Class-D topology keeps internal temperature manageable — the protection circuit is there as a backstop, not a regular occurrence.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003erotomolded ABS enclosure\u003c\/strong\u003e is constructed using rotational moulding — a process that produces a seamless, uniform-wall shell without joints or seams that could split under sustained vibration or impact. Rotomolded ABS is specified in applications where enclosure integrity under mechanical stress is non-negotiable — the same construction method used in quality marine and off-road equipment. \u003cem\u003eOn the road: the enclosure takes the same vibration inputs as the saddlebag itself — road imperfections, highway resonance, the occasional hard stop. The seamless shell has no joints to crack under sustained mechanical load.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003ehydrophonic membrane port\u003c\/strong\u003e replaces a conventional bass reflex port opening. It allows air movement — and with it, bass pressure — to transfer through the port while the membrane blocks liquid ingress. This maintains the acoustic function of a ported enclosure in a saddlebag environment where a conventional open port would admit water and debris during rain or washdowns. \u003cem\u003eOn the road: in a downpour or a pressurised washdown, the membrane port maintains its seal. Bass output is unchanged whether the bag exterior is dry or soaked.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eplug-n-play harness\u003c\/strong\u003e supports high-level (speaker-level) input from factory Boom!™ Box radios and low-level (RCA\/line-level) input from aftermarket head units with pre-out outputs. \u003cstrong\u003eWaterproof quick-disconnect plugs\u003c\/strong\u003e allow fast saddlebag removal without permanently disconnecting or cutting any wiring. \u003cem\u003eOn the road: removing the saddlebag for overnight storage or service is a single quick-disconnect — no soldered connections to cut, no connectors to damage from repeated removal.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eThe HD13.SBW is designed for OEM 1998–2013 hard-shell saddlebag internal dimensions. Aftermarket bags vary — confirm internal clearance before ordering.\u003c\/p\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eModel\u003c\/th\u003e\n      \u003cth\u003ePosition\u003c\/th\u003e\n      \u003cth\u003eYears\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eStreet Glide®\u003c\/td\u003e\n      \u003ctd\u003eSaddlebag\u003c\/td\u003e\n      \u003ctd\u003e1998–2013\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRoad Glide®\u003c\/td\u003e\n      \u003ctd\u003eSaddlebag\u003c\/td\u003e\n      \u003ctd\u003e1998–2013\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eElectra Glide®\u003c\/td\u003e\n      \u003ctd\u003eSaddlebag\u003c\/td\u003e\n      \u003ctd\u003e1998–2013\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eUltra Classic® \/ Ultra Limited\u003c\/td\u003e\n      \u003ctd\u003eSaddlebag\u003c\/td\u003e\n      \u003ctd\u003e1998–2013\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRoad King®\u003c\/td\u003e\n      \u003ctd\u003eSaddlebag\u003c\/td\u003e\n      \u003ctd\u003e1998–2013\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmplifier Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300W Class-D (integrated)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubwoofer Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDown-firing driver with passive radiator\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNeodymium\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRotomolded ABS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePort Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHydrophonic membrane (waterproof acoustic vent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-level (speaker-level) and low-level (RCA line-level)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHarness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlug-n-play — OEM Boom!™ Box and aftermarket head unit compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWaterproof quick-disconnect\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVariants\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHD13.SBWL — clutch side (left); HD13.SBWR — brake side (right)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold As\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle unit per order — order both variants for dual-bag installation\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 year through Motorcycle Audio Australia\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Precision Power","offers":[{"title":"Clutch","offer_id":50098321916151,"sku":"HD13.SBWL","price":1750.0,"currency_code":"AUD","in_stock":false},{"title":"Brake","offer_id":50098321948919,"sku":"HD13.SBWR","price":1750.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/6505\/1639\/files\/Precision-Power-HD13_SBW-300W-Saddlebag-Subwoofer-Kit-for-1998-2013-Harley-Davidson-Touring.jpg?v=1765776605"},{"product_id":"precision-power-hd14-sbw-harley-2014-plus-powered-saddlebag-subwoofer-kit","title":"Precision Power HD14.SBW – Powered Saddlebag Subwoofer Kit for 2014+ Harley-Davidson Touring","description":"\u003c!-- TAB 1: OVERVIEW --\u003e\n\n\u003ch2\u003eSelf-contained 300W powered saddlebag subwoofer for 2014+ Harley Touring — down-firing, no structural modification, HD14.SBV acoustic vent kit included.\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe HD14.SBW is Precision Power's powered saddlebag subwoofer system for 2014+ Harley-Davidson® Touring stretched hard-shell saddlebags. A down-firing subwoofer driver, passive radiator, and 300W Class-D amplifier are housed in a rotomolded ABS enclosure sized for the OEM stretched bag — no cutting, no fibreglassing, no structural modification to the bag. A hydrophobic membrane port projects bass from the enclosure while blocking water and debris. Plug-n-play harness supports factory Boom!™ Box and aftermarket head units. HD14.SBV acoustic vent kit included. Available in clutch-side (HD14.SBWL) and brake-side (HD14.SBWR) variants. Sold individually — one saddlebag per order.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMost approaches to adding bass to a Harley Touring system involve a compromise — an underpowered unit that doesn't move enough air, or a fabrication project that leaves the saddlebag no longer usable as storage. The HD14.SBW does neither: a complete powered subwoofer in a single enclosure, designed to fit inside the factory stretched bag, drawing signal from the existing head unit through a harness that requires no rewiring. The included \u003ca href=\"\/products\/precision-power-hd14-sbv-saddlebag-acoustic-vent-kit\"\u003eHD14.SBV acoustic vent kit\u003c\/a\u003e improves bass efficiency by relieving trapped air pressure from the enclosure space inside the bag. Fit it, connect it, close the bag.\u003c\/p\u003e\n\n\u003ch3\u003eWho This Is For\u003c\/h3\u003e\n\u003cp\u003eRiders who want genuine low-frequency impact from a 2014+ Harley Touring system without modifying the saddlebag or adding a separate amplifier. The HD14.SBW supplements the front-stage speakers — it does not replace them. Use it alongside \u003ca href=\"\/products\/precision-power-hd14-652-6-5-2-ohm-motorcycle-speakers\"\u003eHD14.652\u003c\/a\u003e or \u003ca href=\"\/products\/precision-power-hd14-654-4ohm-motorcycle-speakers\"\u003eHD14.654\u003c\/a\u003e fairing speakers where the low end needs reinforcement below 80 Hz. Contact Motorcycle Audio Australia to confirm fitment and discuss system integration before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Is Best For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-contained powered bass — no external amplifier required:\u003c\/strong\u003e The 300W Class-D amplifier is built into the enclosure. The HD14.SBW needs a signal input and a power connection — no separate amplifier channel to provision, no remote turn-on wire to route through the fairing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo structural modification to the saddlebag:\u003c\/strong\u003e The enclosure is sized to fit inside the OEM 2014+ stretched hard-shell bag. Remove the standard bag liner, fit the HD14.SBW, reconnect the harness. The bag closes and functions as normal storage around the enclosure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHydrophobic membrane port system:\u003c\/strong\u003e The membrane port allows bass pressure to project into the saddlebag space while blocking water and debris from entering the enclosure — the same membrane technology used in waterproof action sports earphones. It performs the acoustic function of a ported enclosure without a conventional open port that would admit water during rain or washdowns.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory and aftermarket head unit compatible:\u003c\/strong\u003e The plug-n-play harness supports high-level (speaker-level) input from factory Boom!™ Box radios and low-level (RCA) input from aftermarket head units with pre-out outputs. No rewiring of the factory loom required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"maa-alert\"\u003e\n  \u003ch3\u003eBefore You Order — Compatibility Notes\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eSold individually — select the correct side:\u003c\/strong\u003e Each HD14.SBW covers a single saddlebag. For bass from both sides, order both the HD14.SBWL (clutch side, left) and HD14.SBWR (brake side, right). The two variants are not interchangeable — select the correct side before adding to cart.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eStretched hard-shell saddlebags only:\u003c\/strong\u003e The HD14.SBW is sized for 2014+ OEM stretched saddlebag internal dimensions (Harley-Davidson® Part No. 90201078DH). Standard non-stretched bags and aftermarket bags vary in internal volume — confirm clearance before ordering. Contact Motorcycle Audio Australia to confirm fitment with your specific setup.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eHD14.SBV acoustic vent kit included:\u003c\/strong\u003e The \u003ca href=\"\/products\/precision-power-hd14-sbv-saddlebag-acoustic-vent-kit\"\u003eHD14.SBV acoustic vent kit\u003c\/a\u003e is included in the box. It improves bass efficiency by relieving trapped air pressure from the enclosure space inside the bag — fit it as part of the installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eThe Bottom Line\u003c\/h3\u003e\n\u003cp\u003eThe HD14.SBW is the practical solution for adding bass to a 2014+ Harley Touring system — complete powered subwoofer in a single enclosure, no structural modification, and a plug-n-play harness that works with factory and aftermarket head units. The HD14.SBV acoustic vent kit is included. Select the correct side variant: HD14.SBWL for the clutch side, HD14.SBWR for the brake side. Order both for dual-bag installation.\u003c\/p\u003e\n\n\u003chr class=\"maa-tab-split\"\u003e\n\n\u003c!-- TAB 2: TECHNICAL SPECIFICATIONS --\u003e\n\n\u003ch3\u003eWhat's Inside the HD14.SBW\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003edown-firing subwoofer driver with passive radiator\u003c\/strong\u003e is the core of the HD14.SBW's bass output. A passive radiator is a secondary cone with no motor — it moves in response to air pressure generated by the active driver, extending low-frequency output below what a sealed enclosure of the same volume can achieve. The down-firing orientation directs bass energy downward into the bag space rather than outward, making efficient use of the enclosed volume and the hydrophobic membrane port system. A \u003cstrong\u003eneodymium magnet motor\u003c\/strong\u003e keeps the driver compact and efficient in an application where footprint inside the stretched bag is constrained. \u003cem\u003eOn the road: at highway speed with the rear stage running, the passive radiator extends low-end output into the range that front-stage speakers can't reach — the difference between music you can feel across the seat and music that sounds thin against wind noise.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eintegrated 300W Class-D amplifier\u003c\/strong\u003e is built directly into the enclosure, providing the subwoofer with a dedicated power channel without requiring a separate amplifier. Class-D topology produces significantly less heat relative to the power delivered compared to Class-A\/B designs — important in an enclosed saddlebag where ambient temperature can already be elevated on a long summer ride. \u003cstrong\u003eBuilt-in protection circuitry\u003c\/strong\u003e manages thermal, short-circuit, and overload conditions automatically. \u003cem\u003eOn the road: on a long touring day with the subwoofer running continuously in a closed bag, the Class-D topology keeps internal temperature manageable — the protection circuit is there as a backstop, not a regular occurrence.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003erotomolded ABS enclosure\u003c\/strong\u003e is constructed using rotational moulding — a process that produces a seamless, uniform-wall shell without joints or seams that could split under sustained vibration or impact. Rotomolded ABS is specified in applications where enclosure integrity under mechanical stress is non-negotiable — the same construction method used in quality marine and off-road equipment. \u003cem\u003eOn the road: the enclosure takes the same vibration inputs as the saddlebag itself — road imperfections, highway resonance, the occasional hard stop. The seamless shell has no joints to crack under sustained mechanical load.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003ehydrophobic membrane port\u003c\/strong\u003e replaces a conventional bass reflex port opening. It allows air movement — and with it, bass pressure — to transfer through the port while the membrane blocks liquid ingress. This maintains the acoustic function of a ported enclosure in a saddlebag environment where a conventional open port would admit water and debris during rain or washdowns. \u003cem\u003eOn the road: in a downpour or a pressurised washdown, the membrane port maintains its seal. Bass output is unchanged whether the bag exterior is dry or soaked.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eplug-n-play harness\u003c\/strong\u003e supports high-level (speaker-level) input from factory Boom!™ Box radios and low-level (RCA\/line-level) input from aftermarket head units with pre-out outputs. \u003cstrong\u003eWaterproof quick-disconnect plugs\u003c\/strong\u003e allow fast saddlebag removal without permanently disconnecting or cutting any wiring. \u003cem\u003eOn the road: removing the saddlebag for overnight storage or service is a single quick-disconnect — no soldered connections to cut, no connectors to damage from repeated removal.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eThe HD14.SBW is designed for OEM 2014+ stretched hard-shell saddlebag internal dimensions (HD Part No. 90201078DH). Standard non-stretched bags and aftermarket bags are not compatible without confirming internal clearance.\u003c\/p\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eModel\u003c\/th\u003e\n      \u003cth\u003ePosition\u003c\/th\u003e\n      \u003cth\u003eYears\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eStreet Glide®\u003c\/td\u003e\n      \u003ctd\u003eSaddlebag (stretched)\u003c\/td\u003e\n      \u003ctd\u003e2014–2023\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRoad Glide®\u003c\/td\u003e\n      \u003ctd\u003eSaddlebag (stretched)\u003c\/td\u003e\n      \u003ctd\u003e2015–2023\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eElectra Glide®\u003c\/td\u003e\n      \u003ctd\u003eSaddlebag (stretched)\u003c\/td\u003e\n      \u003ctd\u003e2014–2023\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eUltra Classic® \/ Ultra Limited\u003c\/td\u003e\n      \u003ctd\u003eSaddlebag (stretched)\u003c\/td\u003e\n      \u003ctd\u003e2014–2023\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmplifier Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300W Class-D (integrated)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubwoofer Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDown-firing driver with passive radiator\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNeodymium\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRotomolded ABS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePort Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHydrophobic membrane (waterproof acoustic vent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-level (speaker-level) and low-level (RCA line-level)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHarness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlug-n-play — OEM Boom!™ Box and aftermarket head unit compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWaterproof quick-disconnect\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBag Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStretched hard-shell saddlebags — HD Part No. 90201078DH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVariants\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHD14.SBWL — clutch side (left); HD14.SBWR — brake side (right)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold As\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle unit per order — order both variants for dual-bag installation\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 year through Motorcycle Audio Australia\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision Power HD14.SBW powered saddlebag subwoofer — single unit (select HD14.SBWL or HD14.SBWR)\u003c\/li\u003e\n  \u003cli\u003eHD14.SBV acoustic vent kit\u003c\/li\u003e\n  \u003cli\u003ePlug-n-play wiring harness\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Precision Power","offers":[{"title":"Clutch","offer_id":50098321981687,"sku":"HD14.SBWL","price":1750.0,"currency_code":"AUD","in_stock":false},{"title":"Brake","offer_id":50098322014455,"sku":"HD14.SBWR","price":1750.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/6505\/1639\/files\/Precision-Power-HD14_SBW-Powered-Saddlebag-Subwoofer-Kit-for-2014-Harley-Davidson-Touring.jpg?v=1765776611"}],"url":"https:\/\/www.motorcycleaudio.com.au\/collections\/precision-power-subwoofers.oembed","provider":"Motorcycle Audio Australia","version":"1.0","type":"link"}