{"title":"Train Horns Compatible with Hart Batteries","description":"\u003cp data-start=\"90\" data-end=\"454\"\u003e\u003cstrong data-start=\"90\" data-end=\"202\"\u003eCustom train horns designed to work with Hart 20V batteries offer powerful sound in a fully cordless format.\u003c\/strong\u003e\u003cbr data-start=\"202\" data-end=\"205\"\u003eEach horn is hand-assembled in the USA and built for reliable performance in demanding conditions. The system is easy to use, with no air tanks or hoses required—just insert a Hart 20V battery and activate the horn with the included wireless remote.\u003c\/p\u003e\n\u003cp data-start=\"456\" data-end=\"830\"\u003eDesigned for versatility and portability, these train horns are ideal for trucks, boats, outdoor events, job sites, and recreational use. The compact handheld design allows for quick setup and convenient operation wherever loud, attention-grabbing sound is needed. This collection delivers dependable performance while staying compatible with the Hart 20V battery ecosystem.\u003c\/p\u003e","products":[{"product_id":"train-horn-for-hart-batteries-compact-dual","title":"Train Horn for Hart Batteries - Dual","description":"\u003cp class=\"p1\"\u003e\u003ci\u003eDisclaimer: \u003c\/i\u003e\u003cem\u003e\u003cspan class=\"s1\"\u003eThis product is custom-modified by hand.\u003cbr\u003eThis product is not manufactured, sponsored, or endorsed by Hart.\u003cbr\u003eHart® is a registered trademark used only to indicate compatibility.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eDual Metal Trumpets\u003c\/b\u003e – Tuned for a clear, balanced train-horn tone\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eHart 20V Battery Compatible\u003c\/b\u003e – Fully cordless operation with no tanks or hoses\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eWireless Remote (up to 160 ft)\u003c\/b\u003e – Trigger blasts remotely or use the built-in handle button\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eAll-Metal Construction\u003c\/b\u003e – Durable, vibration-resistant, and weather-tough\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eLightweight \u0026amp; Portable\u003c\/b\u003e – Compact size for easy transport and quick setup\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eHand-Assembled \u0026amp; Tested\u003c\/b\u003e – Each horn tuned by hand for precision and reliability\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eReady to Use\u003c\/b\u003e – Fully assembled, tested, and pre-tuned\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eBuilt by Makers, Not a Factory\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eHorn starts as a genuine Hart 20V impact drill, carefully re-engineered, hand-assembled, and tested in our California workshop. Designed to deliver serious sound power in a compact, portable form.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eNo tanks. No compressors. No complicated setup.\u003cbr\u003eJust attach your Hart battery, press the remote (or trigger), and let it roar.\u003cb\u003e\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eWhat’s Included\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003eDual Train Horn Set (assembled with a Hart impact driver)\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003eBuilt-in trigger system\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003eWireless Remote Control\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003eInstruction card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p6\"\u003e\u003cspan class=\"s1\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cb\u003eTechnical Overview\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eBattery:\u003c\/b\u003e Hart 20V\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eOutput:\u003c\/b\u003e Sharp, focused train-style sound\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eWeight:\u003c\/b\u003e 4 lbs\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eAssembly:\u003c\/b\u003e Fully assembled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eSafety Notice\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eProduces extremely high sound levels.\u003cbr\u003eUse responsibly and avoid close-range activation near people or animals.\u003c\/p\u003e","brand":"HONKUP","offers":[{"title":"Black","offer_id":51434824139051,"sku":null,"price":175.0,"currency_code":"USD","in_stock":true},{"title":"Chrome","offer_id":51434824171819,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":51434824106283,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/7363\/8443\/files\/impact-train-air-horn-compatible-with-Hart-batteries-dual.webp?v=1767480028"},{"product_id":"train-horn-for-hart-batteries-core-quad","title":"Train Horn for Hart - Quad","description":"\u003cp class=\"p1\"\u003e\u003ci\u003eDisclaimer: \u003c\/i\u003e\u003cem\u003e\u003cspan class=\"s1\"\u003eThis product is custom-modified by hand.\u003cbr\u003eThis product is not manufactured, sponsored, or endorsed by Hart.\u003cbr\u003eHart® is a registered trademark used only to indicate compatibility.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eFour Metal Trumpets\u003c\/b\u003e – Tuned for a full, deep, and balanced train-horn tone\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eHart 20V Battery Compatible\u003c\/b\u003e – Cordless freedom with no tanks or compressors\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eWireless Remote (up to 160 ft)\u003c\/b\u003e – Trigger from a distance or use the on-handle button\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eHand-Assembled \u0026amp; Tested\u003c\/b\u003e – Each horn tuned by hand for perfect alignment and tone\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eReady to Use\u003c\/b\u003e – Fully assembled, tested, and pre-tuned\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eBuilt by Makers, Not a Factory\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eHorn starts as a genuine Hart 20V impact drill, carefully re-engineered, hand-assembled, and tested in our California workshop. Built for balanced power, dependable performance, and a clean, commanding sound.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eNo tanks. No hoses. No hassle.\u003cbr\u003eJust attach your Hart battery, press the remote (or trigger), and feel the sound.\u003cb\u003e\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eWhat’s Included\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003eQuad Pro Train Horn Set (assembled with a Hart impact driver)\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003eBuilt-in trigger system\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003eWireless Remote Control\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003eInstruction card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p6\"\u003e\u003cspan class=\"s1\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cb\u003eTechnical Overview\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eBattery:\u003c\/b\u003e Hart 20V\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eOutput:\u003c\/b\u003e Deep, full-range train-style sound\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eWeight:\u003c\/b\u003e 4 lbs\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eAssembly:\u003c\/b\u003e Fully assembled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eSafety Notice\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eProduces extremely high sound levels.\u003cbr\u003eUse responsibly and avoid close-range activation near people or animals.\u003c\/p\u003e","brand":"HONKUP","offers":[{"title":"Black","offer_id":51434898620715,"sku":null,"price":215.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/7363\/8443\/files\/impact-train-air-horn-compatible-with-Hart-batteries-quad.webp?v=1767480392"},{"product_id":"impact-train-air-horn-for-hart-batteries-quad-pro","title":"Train Horn for Hart Batteries - Quad Pro","description":"\u003cp class=\"p1\"\u003e\u003ci\u003eDisclaimer: \u003c\/i\u003e\u003cem\u003e\u003cspan class=\"s1\"\u003eThis product is custom-modified by hand.\u003cbr\u003eThis product is not manufactured, sponsored, or endorsed by Hart.\u003cbr\u003eHart® is a registered trademark used only to indicate compatibility.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eHart 20V Battery Compatible\u003c\/b\u003e – Fully cordless operation with no tanks or hoses\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eFour Extended Metal Trumpets\u003c\/b\u003e – Deeper tone, longer projection, and stronger resonance\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eWireless Remote (up to 160 ft)\u003c\/b\u003e – Activate from a distance or use the onboard handle trigger\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eReady to Use\u003c\/b\u003e – Fully assembled, tested, and pre-tuned\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eBuilt by Makers, Not a Factory\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eHorn starts as a genuine Hart 20V impact drill, carefully re-engineered, hand-assembled, and tested in our California workshop. Built to deliver extreme volume with refined tone balance and dependable performance.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eNo compressors. No tanks. No complicated setup.\u003cbr\u003eJust connect your Hart battery, press the remote (or trigger), and unleash the sound.\u003cb\u003e\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eWhat’s Included\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003eQuad Pro Train Horn Set (assembled with a Hart impact driver)\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003eBuilt-in trigger system\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003eWireless Remote Control\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003eInstruction card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p6\"\u003e\u003cspan class=\"s1\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cb\u003eTechnical Overview\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eBattery:\u003c\/b\u003e Hart 20V\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eOutput:\u003c\/b\u003e High-impact train-style sound\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eWeight:\u003c\/b\u003e 4.5 lbs\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003cb\u003eAssembly:\u003c\/b\u003e Fully assembled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eSafety Notice\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eProduces extremely high sound levels.\u003cbr\u003eUse responsibly and avoid close-range activation near people or animals.\u003c\/p\u003e","brand":"HONKUP","offers":[{"title":"Black","offer_id":51438377402667,"sku":null,"price":365.0,"currency_code":"USD","in_stock":true},{"title":"Chrome","offer_id":51438377435435,"sku":null,"price":365.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":51438377468203,"sku":null,"price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/7363\/8443\/files\/impact-train-air-horn-compatible-with-Hart-batteries-quad-pro-q.webp?v=1767480612"},{"product_id":"train-horn-for-hart-batteries-5-trumpet","title":"Train Horn for Hart Batteries - Penta (5-Trumpet Model)","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e \u003cem\u003eDisclaimer:\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eThis product is custom-modified by hand.\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eThis product is not manufactured, sponsored, or endorsed by Hart.\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eHart® is a registered trademark used only to indicate compatibility.\u003c\/em\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003e\n\u003cb\u003eQuintuple Metal Trumpets\u003c\/b\u003e – Five tuned metal trumpets deliver the most powerful and layered sound profile\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cb\u003eWireless Remote (up to 160 ft)\u003c\/b\u003e – Instant activation with a single click\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cb\u003eTrigger Button Activation\u003c\/b\u003e – Activate the horn directly using the built-in trigger button\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cb\u003eHart 20V Compatible\u003c\/b\u003e – Uses your existing Hart 20V battery system\u003cb\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cb\u003eReady to Use\u003c\/b\u003e – Fully assembled, tested, and pre-tuned\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eBuilt by Makers, Not a Factory\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eHorn starts as a brand-new Hart impact driver, carefully re-engineered, hand-assembled, and tested in our California workshop. Each unit is built for reliability, precision, and real-world performance.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eNo air tanks. No hoses. No complicated setup.\u003cbr\u003eJust plug in your battery, press the remote or trigger, and feel the sound.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhat’s Included\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003e5-Trumpet Train Horn Set (assembled with a Hart impact driver)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eBuilt-in trigger system\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eRemote control\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eInstruction card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eTechnical Overview\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003e\n\u003cb\u003eBattery:\u003c\/b\u003e Hart 20V\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cb\u003eOutput:\u003c\/b\u003e High-impact sound output \u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e ~ 5 lbs\u003c\/li\u003e\n\u003cli class=\"li2\"\u003e\n\u003cb\u003eAssembly:\u003c\/b\u003e Fully assembled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eSafety Notice\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eProduces extremely high sound levels.\u003cbr\u003eUse responsibly and avoid close-range activation near people or animals.\u003c\/p\u003e","brand":"HONKUP","offers":[{"title":"Black","offer_id":51438466040107,"sku":null,"price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/7363\/8443\/files\/impact-train-air-horn-compatible-with-Hart-batteries-5-trumpet.webp?v=1767480892"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/7363\/8443\/collections\/Hart-main-2_605a1757-0c10-4785-98a9-f2bcdf4a177e.webp?v=1770764665","url":"https:\/\/www.honkup.com\/collections\/train-horns-hart-compatible.oembed","provider":"HONKUP","version":"1.0","type":"link"}