{"id":7875,"date":"2026-09-04T10:23:19","date_gmt":"2026-09-04T08:23:19","guid":{"rendered":"https:\/\/ledstripstudio.com\/lss2026\/shop\/?post_type=product&#038;p=7875"},"modified":"2026-09-16T10:13:29","modified_gmt":"2026-09-16T08:13:29","slug":"spi-lamp-spi-signal-splitter","status":"publish","type":"product","link":"https:\/\/www.ledstripstudio.com\/shop\/product\/spi-lamp-spi-signal-splitter\/","title":{"rendered":"SPI LAMP Splitter for Hanging Pixel LED Lamps \u2013 85 Units"},"content":{"rendered":"<p>SPI LAMP is a compact SPI LAMP splitter for hanging lamps, pendants and separate LED strip segments. Each board gives its own object an independent SPI LED output. So a single output on your <a href=\"\/lec-3\/\">LEC 3<\/a> or <a href=\"\/spi-matrix\/\">SPI MATRIX<\/a> controller can feed up to 85 boards.<\/p>\n<h2>Why use an SPI LAMP splitter instead of more controllers?<\/h2>\n<p>A ceiling full of pendant lamps usually leaves you two bad options. First, you can buy extra controllers just for extra physical SPI outputs. Alternatively, you push raw SPI data from lamp to lamp. That signal falls apart after a few metres. Neither option is cheap and neither is reliable.<\/p>\n<p>Instead, put one board in each lamp and the whole run becomes a single daisy chain. Every board takes its slice of the pixel data and drives its own strip. Then it passes the rest along to the next lamp.<\/p>\n<h2>How far apart can the boards sit?<\/h2>\n<h3>Differential signal over Ethernet cable<\/h3>\n<p>Data between boards travels over ordinary Ethernet cable. Because our controllers send it as a differential signal, shielded runs of 30 metres and more are routine. In other words, there is no signal loss to design around. However, those RJ-45 sockets carry our own protocol. Never plug one into a computer network, a switch or a router.<\/p>\n<h3>Passive PoE with a simple modification<\/h3>\n<p>With a small modification you can also power the boards over that same Ethernet cable as <a href=\"https:\/\/en.wikipedia.org\/wiki\/Power_over_Ethernet\" rel=\"noopener\">passive PoE<\/a>. One cable per lamp then carries data and power together. In a lamp cluster under a ceiling, that is the difference between a tidy install and loose wires.<\/p>\n<h2>How do you set up the SPI LAMP splitter on site?<\/h2>\n<p>A DIP switch on each board sets how many diodes that lamp drives. So you need no software, no laptop and no addressing tool at the fixture. You set it with your fingers while the lamp still lies on the bench. Nine pixels is the minimum on one board. A single board handles up to 1024 RGB or 768 RGBW pixels.<\/p>\n<h2>What happens when one strip fails?<\/h2>\n<p>Not the whole run going dark. The data IN and OUT ports are swappable. Because of that, the backup function in <a href=\"\/software\/\">LED Strip Studio software<\/a> can feed the chain from the other end. The remaining segments keep running until you reach the faulty one. That matters when the fixtures hang four metres above a finished floor.<\/p>\n<h2>Which controllers work with the SPI LAMP splitter?<\/h2>\n<h3>Controllers<\/h3>\n<p>SPI LAMP uses our own protocol, so it needs an <a href=\"\/lec-3\/\">LEC 3<\/a> or <a href=\"\/spi-matrix\/\">SPI MATRIX<\/a> controller. Third-party lighting software driving those controllers works fine.<\/p>\n<h3>Strips and pixels<\/h3>\n<p>Any 5&ndash;24 V digital strip running at 800 kHz works here. That includes <a href=\"https:\/\/www.world-semi.com\/\" rel=\"noopener\">WS2811 and WS2812B<\/a>, SK6812 and compatible RGB or RGBW chips. Power each board with the same voltage as the strip connected to it. Otherwise the mismatch damages both, because the strip draws its power through the board.<\/p>\n<p>The bare PCB is designed to go into a standard electrical box. That way installers can seal it against dust and weather in exposed positions. Full wiring and setup detail is in the <a href=\"https:\/\/ledstripstudio.com\/download\/user-manuals\/spi-lamp_manual.pdf\">SPI LAMP user manual<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Building an installation out of hanging lamps? SPI LAMP is a compact SPI LAMP splitter that gives every pendant its own SPI LED output, with up to 85 boards daisy-chained on a single LEC 3 or SPI MATRIX output. Data runs as a differential signal over Ethernet cable, a DIP switch sets the pixel count on site, and a simple modification adds passive PoE.<\/p>\n<p>Compatible with <strong>5-24V digital LED strips<\/strong> and most of industry <strong>IC chips<\/strong>, you get a wide range of options.<\/p>\n<p>User manual <a href=\"https:\/\/ledstripstudio.com\/download\/user-manuals\/spi-lamp_manual.pdf\">here<\/a>.<\/p>\n","protected":false},"featured_media":7876,"template":"","meta":[],"product_brand":[261],"product_cat":[18],"product_tag":[218,219,216,213,212,123,38,215,214,121,211,210,124,217,120],"class_list":["post-7875","product","type-product","status-publish","has-post-thumbnail","product_brand-led-strip-studio","product_cat-infrastructure","product_tag-a-dip-switch-sets-the-pixel-count-on-site","product_tag-and-a-simple-modification-adds-passive-poe","product_tag-building-an-installation-out-of-hanging-lamps-spi-lamp-is-a-compact-spi-lamp-splitter-that-gives-every-pendant-its-own-spi-led-output","product_tag-daisy-chain-spi-splitter","product_tag-hanging-lamp-led-splitter","product_tag-lec-3-accessory","product_tag-led-gadgets-accesories","product_tag-passive-poe-led-splitter","product_tag-pendant-lamp-led-controller","product_tag-sk6812-splitter","product_tag-spi-lamp","product_tag-spi-lamp-splitter","product_tag-spi-matrix-accessory","product_tag-with-up-to-85-boards-daisy-chained-on-a-single-lec-3-or-spi-matrix-output-data-runs-as-a-differential-signal-over-ethernet-cable","product_tag-ws2812b-splitter","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SPI LAMP Splitter \u2013 Hanging Pixel Lamps | LED Strip Studio Shop<\/title>\n<meta name=\"description\" content=\"SPI LAMP splitter for hanging pixel lamps: daisy-chain up to 85 boards on one LEC 3 or SPI MATRIX output. 5\u201324 V, DIP-switch setup, passive PoE.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SPI LAMP Splitter \u2013 Hanging Pixel Lamps | LED Strip Studio Shop\" \/>\n<meta property=\"og:description\" content=\"SPI LAMP splitter for hanging pixel lamps: daisy-chain up to 85 boards on one LEC 3 or SPI MATRIX output. 5\u201324 V, DIP-switch setup, passive PoE.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ledstripstudio.com\/shop\/product\/spi-lamp-spi-signal-splitter\/\" \/>\n<meta property=\"og:site_name\" content=\"LED Strip Studio\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ledstripstudio\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-16T08:13:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ledstripstudio.com\/shop\/wp-content\/uploads\/2026\/09\/spilamp600.png\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/product\\\/spi-lamp-spi-signal-splitter\\\/\",\"url\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/product\\\/spi-lamp-spi-signal-splitter\\\/\",\"name\":\"SPI LAMP Splitter \u2013 Hanging Pixel Lamps | LED Strip Studio Shop\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/product\\\/spi-lamp-spi-signal-splitter\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/product\\\/spi-lamp-spi-signal-splitter\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/spilamp600.png\",\"datePublished\":\"2026-09-04T08:23:19+00:00\",\"dateModified\":\"2026-09-16T08:13:29+00:00\",\"description\":\"SPI LAMP splitter for hanging pixel lamps: daisy-chain up to 85 boards on one LEC 3 or SPI MATRIX output. 5\u201324 V, DIP-switch setup, passive PoE.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/product\\\/spi-lamp-spi-signal-splitter\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/product\\\/spi-lamp-spi-signal-splitter\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/product\\\/spi-lamp-spi-signal-splitter\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/spilamp600.png\",\"contentUrl\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/spilamp600.png\",\"width\":600,\"height\":600,\"caption\":\"SPI LAMP v1.0 splitter board with power terminal block and two RJ45 ports\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/product\\\/spi-lamp-spi-signal-splitter\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Domovsk\u00e1 str\u00e1nka\",\"item\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"SPI LAMP Splitter for Hanging Pixel LED Lamps \u2013 85 Units\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/#website\",\"url\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/\",\"name\":\"Buy Addressable LED Controllers Online | LED Strip Studio\",\"description\":\"Professional pixel LED control systems\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/#organization\",\"name\":\"LED Strip Studio\",\"alternateName\":\"LSS\",\"url\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/ledstripstudio.com\\\/lss2026\\\/shop\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/logo_lss.webp\",\"contentUrl\":\"https:\\\/\\\/ledstripstudio.com\\\/lss2026\\\/shop\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/logo_lss.webp\",\"width\":696,\"height\":696,\"caption\":\"LED Strip Studio\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ledstripstudio.com\\\/shop\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/ledstripstudio\\\/\",\"https:\\\/\\\/www.instagram.com\\\/ledstripworld\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/ledstripstudio\\\/\",\"https:\\\/\\\/www.youtube.com\\\/ledstripstudio\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"SPI LAMP Splitter \u2013 Hanging Pixel Lamps | LED Strip Studio Shop","description":"SPI LAMP splitter for hanging pixel lamps: daisy-chain up to 85 boards on one LEC 3 or SPI MATRIX output. 5\u201324 V, DIP-switch setup, passive PoE.","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_US","og_type":"article","og_title":"SPI LAMP Splitter \u2013 Hanging Pixel Lamps | LED Strip Studio Shop","og_description":"SPI LAMP splitter for hanging pixel lamps: daisy-chain up to 85 boards on one LEC 3 or SPI MATRIX output. 5\u201324 V, DIP-switch setup, passive PoE.","og_url":"https:\/\/www.ledstripstudio.com\/shop\/product\/spi-lamp-spi-signal-splitter\/","og_site_name":"LED Strip Studio","article_publisher":"https:\/\/www.facebook.com\/ledstripstudio\/","article_modified_time":"2026-09-16T08:13:29+00:00","og_image":[{"width":600,"height":600,"url":"https:\/\/www.ledstripstudio.com\/shop\/wp-content\/uploads\/2026\/09\/spilamp600.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.ledstripstudio.com\/shop\/product\/spi-lamp-spi-signal-splitter\/","url":"https:\/\/www.ledstripstudio.com\/shop\/product\/spi-lamp-spi-signal-splitter\/","name":"SPI LAMP Splitter \u2013 Hanging Pixel Lamps | LED Strip Studio Shop","isPartOf":{"@id":"https:\/\/www.ledstripstudio.com\/shop\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.ledstripstudio.com\/shop\/product\/spi-lamp-spi-signal-splitter\/#primaryimage"},"image":{"@id":"https:\/\/www.ledstripstudio.com\/shop\/product\/spi-lamp-spi-signal-splitter\/#primaryimage"},"thumbnailUrl":"https:\/\/www.ledstripstudio.com\/shop\/wp-content\/uploads\/2026\/09\/spilamp600.png","datePublished":"2026-09-04T08:23:19+00:00","dateModified":"2026-09-16T08:13:29+00:00","description":"SPI LAMP splitter for hanging pixel lamps: daisy-chain up to 85 boards on one LEC 3 or SPI MATRIX output. 5\u201324 V, DIP-switch setup, passive PoE.","breadcrumb":{"@id":"https:\/\/www.ledstripstudio.com\/shop\/product\/spi-lamp-spi-signal-splitter\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.ledstripstudio.com\/shop\/product\/spi-lamp-spi-signal-splitter\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.ledstripstudio.com\/shop\/product\/spi-lamp-spi-signal-splitter\/#primaryimage","url":"https:\/\/www.ledstripstudio.com\/shop\/wp-content\/uploads\/2026\/09\/spilamp600.png","contentUrl":"https:\/\/www.ledstripstudio.com\/shop\/wp-content\/uploads\/2026\/09\/spilamp600.png","width":600,"height":600,"caption":"SPI LAMP v1.0 splitter board with power terminal block and two RJ45 ports"},{"@type":"BreadcrumbList","@id":"https:\/\/www.ledstripstudio.com\/shop\/product\/spi-lamp-spi-signal-splitter\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Domovsk\u00e1 str\u00e1nka","item":"https:\/\/www.ledstripstudio.com\/shop\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/www.ledstripstudio.com\/shop\/shop\/"},{"@type":"ListItem","position":3,"name":"SPI LAMP Splitter for Hanging Pixel LED Lamps \u2013 85 Units"}]},{"@type":"WebSite","@id":"https:\/\/www.ledstripstudio.com\/shop\/#website","url":"https:\/\/www.ledstripstudio.com\/shop\/","name":"Buy Addressable LED Controllers Online | LED Strip Studio","description":"Professional pixel LED control systems","publisher":{"@id":"https:\/\/www.ledstripstudio.com\/shop\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.ledstripstudio.com\/shop\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.ledstripstudio.com\/shop\/#organization","name":"LED Strip Studio","alternateName":"LSS","url":"https:\/\/www.ledstripstudio.com\/shop\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.ledstripstudio.com\/shop\/#\/schema\/logo\/image\/","url":"https:\/\/ledstripstudio.com\/lss2026\/shop\/wp-content\/uploads\/2026\/09\/logo_lss.webp","contentUrl":"https:\/\/ledstripstudio.com\/lss2026\/shop\/wp-content\/uploads\/2026\/09\/logo_lss.webp","width":696,"height":696,"caption":"LED Strip Studio"},"image":{"@id":"https:\/\/www.ledstripstudio.com\/shop\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/ledstripstudio\/","https:\/\/www.instagram.com\/ledstripworld\/","https:\/\/www.linkedin.com\/company\/ledstripstudio\/","https:\/\/www.youtube.com\/ledstripstudio"]}]}},"_links":{"self":[{"href":"https:\/\/www.ledstripstudio.com\/shop\/wp-json\/wp\/v2\/product\/7875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ledstripstudio.com\/shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.ledstripstudio.com\/shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ledstripstudio.com\/shop\/wp-json\/wp\/v2\/media\/7876"}],"wp:attachment":[{"href":"https:\/\/www.ledstripstudio.com\/shop\/wp-json\/wp\/v2\/media?parent=7875"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.ledstripstudio.com\/shop\/wp-json\/wp\/v2\/product_brand?post=7875"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.ledstripstudio.com\/shop\/wp-json\/wp\/v2\/product_cat?post=7875"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.ledstripstudio.com\/shop\/wp-json\/wp\/v2\/product_tag?post=7875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}