{"product_id":"spektrum-spmx-1128-firma-50a-waterproof-marine-esc-3s-4s-brushless-oem-1","title":"Spektrum SPMX-1128 Firma 50A Waterproof Marine ESC 3S-4S Brushless OEM","description":"\u003cp data-start=\"341\" data-end=\"394\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"341\" data-end=\"394\"\u003eSpektrum SPMX-1128 Firma 50A Brushless Marine ESC\u003c\/strong\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"396\" data-end=\"783\"\u003eUpgrade or replace your electronic speed controller with the genuine Spektrum SPMX-1128 Firma 50A Marine ESC. Designed for high-performance RC boats, this waterproof, water-cooled ESC delivers smooth throttle response, reliable power, and programmable performance for 3S–4S LiPo applications. It is the factory ESC used in the Pro Boat Sonicwake 24. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"785\" data-end=\"798\"\u003e\u003cstrong data-start=\"785\" data-end=\"798\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"799\" data-end=\"1318\"\u003e\n\u003cli data-start=\"799\" data-end=\"838\"\u003e\nGenuine Spektrum OEM replacement part\n\u003c\/li\u003e\n\u003cli data-start=\"839\" data-end=\"867\"\u003e\nPart Number: \u003cstrong data-start=\"854\" data-end=\"867\"\u003eSPMX-1128\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"868\" data-end=\"900\"\u003e\nFirma 50A Brushless Marine ESC\n\u003c\/li\u003e\n\u003cli data-start=\"901\" data-end=\"946\"\u003e\nWater-cooled design for maximum performance\n\u003c\/li\u003e\n\u003cli data-start=\"947\" data-end=\"1004\"\u003e\nWaterproof construction (see manufacturer's guidelines)\n\u003c\/li\u003e\n\u003cli data-start=\"1005\" data-end=\"1055\"\u003e\nProgrammable motor timing and low-voltage cutoff\n\u003c\/li\u003e\n\u003cli data-start=\"1056\" data-end=\"1092\"\u003e\nSupports Forward\/Reverse operation\n\u003c\/li\u003e\n\u003cli data-start=\"1093\" data-end=\"1131\"\u003e\nCompatible with 3S–4S LiPo batteries\n\u003c\/li\u003e\n\u003cli data-start=\"1132\" data-end=\"1169\"\u003e\n50A continuous \/ 200A burst current\n\u003c\/li\u003e\n\u003cli data-start=\"1170\" data-end=\"1224\"\u003e\nBuilt-in 6V Switching BEC (5A continuous, 5.5A peak)\n\u003c\/li\u003e\n\u003cli data-start=\"1225\" data-end=\"1318\"\u003e\nIC3 battery connector and 4mm motor bullet connectors \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1320\" data-end=\"1338\"\u003e\u003cstrong data-start=\"1320\" data-end=\"1338\"\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1339\" data-end=\"1567\"\u003e\n\u003cli data-start=\"1339\" data-end=\"1398\"\u003e\nPro Boat Sonicwake 24\" Self-Righting Brushless Deep-V RTR\n\u003c\/li\u003e\n\u003cli data-start=\"1399\" data-end=\"1567\"\u003e\nCompatible with brushless marine applications requiring a 50A ESC and 3S–4S LiPo input (verify compatibility before purchasing). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1569\" data-end=\"1590\"\u003e\u003cstrong data-start=\"1569\" data-end=\"1590\"\u003ePackage Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1591\" data-end=\"1636\"\u003e\n\u003cli data-start=\"1591\" data-end=\"1636\"\u003e\n(1) Spektrum SPMX-1128 Firma 50A Marine ESC\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul data-start=\"1653\" data-end=\"1708\"\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1710\" data-end=\"1965\"\u003eWhether you're replacing a failed ESC or restoring factory performance, the Spektrum SPMX-1128 delivers dependable power, smooth throttle control, and the reliability expected from genuine Spektrum marine electronics. \u003c\/p\u003e","brand":"Spektrum","offers":[{"title":"Default Title","offer_id":52536663998684,"sku":null,"price":46.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/1601\/1740\/files\/24_57_d726f5d3-b174-41a0-8d8b-d4f2f79d24d4.png?v=1789750461","url":"https:\/\/www.bigskyhobby.com\/products\/spektrum-spmx-1128-firma-50a-waterproof-marine-esc-3s-4s-brushless-oem-1","provider":"Big Sky Hobby","version":"1.0","type":"link"}