{"product_id":"diy-dual-relay-7812-upc1237-speaker-protection-board-kit","title":"DIY Dual Relay 7812+UPC1237 Speaker Protection Board Kit","description":"\u003cspan style=\"font-size:14px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e \u003cbr\u003e1. UPC1237 best performance as core devices, with power-on delay and DC protection, power anti-shock function\u003cbr\u003e2. UseOMRIN original high-current relay as the core of the device is not afraid of contact ignition and oxidation\u003cbr\u003e3. Using 7812 as a regulator, wide supply range, up to any range AC12V to AC24V\u003cbr\u003e4. The circuit is simple and reliable. Produced very easily, no need debugging\u003cbr\u003e5. Silver contacts.\u003cbr\u003e6. Precision CNC double-sided circuit board in small size, easy installed\u003cbr\u003e7. Start delay 1S closed, no need to use 3S delay. DC monitoring and protection, real-time protection speaker. Disconnect the speaker off instantly.\u003cbr\u003e8. This version can be controlled 500W amplifier, each channel using a relay control.\u003cbr\u003e9. Power: AC 12-24V\u003cbr\u003e10. PCB size: 6.9cm × 57mm\u003cbr\u003eNote: All the elements, you need to solder by yourself\u003cbr\u003e \u003cbr\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003ePackage included:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e1 x Dual Relay 7812+UPC1237 Speaker Protection Board Kit\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/32\/D7\/94f3e2cf-87e7-4b94-8061-1a4a8f7e7a40.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/6F\/08\/29cc698b-5960-48cc-a673-edc138c11e39.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/AF\/52\/2039c758-42f0-4068-a7f5-6c390520bafa.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/39\/3A\/82c7a1ed-b1e2-4889-8a77-e552a7fb7572.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/50\/8E\/e7587e6c-3b74-451b-9f77-170717bb278f.jpg\"\u003e","brand":"Shopify","offers":[{"title":"Title","offer_id":32129147043930,"sku":"1356003","price":750.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/52fab683-e870-4803-82b0-3c04ef76afad_45c5abd0-9ade-4838-920e-e7e61015f775.jpg?v=1587139278","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/diy-dual-relay-7812-upc1237-speaker-protection-board-kit","provider":"Electronic Pro ","version":"1.0","type":"link"}