{"id":151731,"date":"2026-01-25T16:29:20","date_gmt":"2026-01-25T22:29:20","guid":{"rendered":"https:\/\/www.synthtopia.com\/?p=151731"},"modified":"2026-01-25T16:29:20","modified_gmt":"2026-01-25T22:29:20","slug":"romagnetics-fs-404-a-companion-for-the-roland-sp-404-mk2-gets-major-firmware-update","status":"publish","type":"post","link":"https:\/\/www.synthtopia.com\/content\/2026\/01\/25\/romagnetics-fs-404-a-companion-for-the-roland-sp-404-mk2-gets-major-firmware-update\/","title":{"rendered":"Romagnetics FS-404, A Companion For The Roland SP-404 MK2, Gets Major Firmware Update"},"content":{"rendered":"<p><a href=\"https:\/\/www.synthtopia.com\/wp-content\/uploads\/2026\/01\/romagnetics.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-151980\" src=\"https:\/\/www.synthtopia.com\/wp-content\/uploads\/2026\/01\/romagnetics-728x455.jpg\" alt=\"\" width=\"728\" height=\"455\" srcset=\"https:\/\/www.synthtopia.com\/wp-content\/uploads\/2026\/01\/romagnetics-728x455.jpg 728w, https:\/\/www.synthtopia.com\/wp-content\/uploads\/2026\/01\/romagnetics-320x200.jpg 320w, https:\/\/www.synthtopia.com\/wp-content\/uploads\/2026\/01\/romagnetics-768x480.jpg 768w, https:\/\/www.synthtopia.com\/wp-content\/uploads\/2026\/01\/romagnetics-480x300.jpg 480w, https:\/\/www.synthtopia.com\/wp-content\/uploads\/2026\/01\/romagnetics-1200x750.jpg 1200w, https:\/\/www.synthtopia.com\/wp-content\/uploads\/2026\/01\/romagnetics.jpg 1500w\" sizes=\"auto, (max-width: 728px) 100vw, 728px\" \/><\/a><\/p>\n<p>Developer <strong>Romain Dereu<\/strong> from <strong>Romagnetics<\/strong> contacted us to let us know that he&#8217;s released a major update for the <strong>Romagnetics FS-404<\/strong>, a MIDI companion to the <strong>Roland SP-404 MK2<\/strong> that adds new capabilities and performance options.<\/p>\n<p>Here&#8217;s what&#8217;s new in the <strong>Romagnetics FS-404 v2.0<\/strong>:<\/p>\n<ul>\n<li>Toggle mode: Based on the value of the last note sent (or the base note), toggle between Previous, Next, Repeat, Reset, and Kill Switch in either MIDI Mode A or B with or without looping.<\/li>\n<li>Base note: Adding a base note so you can assign all three commands as toggles.<\/li>\n<\/ul>\n<p><!--more--><\/p>\n<p><strong>Romagnetics FS-404 v2.0 Video Demo:<\/strong><\/p>\n<p>Here&#8217;s a video overview of the FS-404 and the new firmware:<\/p>\n<div class=\"jetpack-video-wrapper\"><iframe loading=\"lazy\" title=\"The MIDI Pedal for the SP-404 MK2\" width=\"900\" height=\"506\" src=\"https:\/\/www.youtube.com\/embed\/ipp4sC_kNhc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p><strong>Pricing and Availability:<\/strong><\/p>\n<p>The <strong>Romagnetics FS-404<\/strong> is <a href=\"https:\/\/www.romagnetics.com\/product\/romagnetics-fs-404\/\">available<\/a> now for <span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">$<\/span>150 USD. Version 2.0 is a free update.\u00a0<\/span><\/p>\n<p><strong>Dereu<\/strong> notes that all his projects are also open source hardware and firmware. The source for the <strong> FS-404<\/strong> is <a href=\"https:\/\/github.com\/RomainDereu\/Romagnetics_FS-404\">available<\/a> in Github.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Romagnetics FS-404, a MIDI companion to the Roland SP-404 MK2, has been updated with new capabilities and performance options.&hellip; <a class=\"more-link\" href=\"https:\/\/www.synthtopia.com\/content\/2026\/01\/25\/romagnetics-fs-404-a-companion-for-the-roland-sp-404-mk2-gets-major-firmware-update\/\">Read More <span class=\"screen-reader-text\">Romagnetics FS-404, A Companion For The Roland SP-404 MK2, Gets Major Firmware Update<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":151980,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[34,1,36,27],"tags":[277,34137,36123,36124],"class_list":["post-151731","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electronic-instruments","category-music-news","category-samplers","category-workstations","tag-roland","tag-roland-sp-404-mkii","tag-romagnetics","tag-romagnetics-fs-404"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/www.synthtopia.com\/wp-content\/uploads\/2026\/01\/romagnetics.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.synthtopia.com\/wp-json\/wp\/v2\/posts\/151731","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.synthtopia.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.synthtopia.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.synthtopia.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.synthtopia.com\/wp-json\/wp\/v2\/comments?post=151731"}],"version-history":[{"count":3,"href":"https:\/\/www.synthtopia.com\/wp-json\/wp\/v2\/posts\/151731\/revisions"}],"predecessor-version":[{"id":151981,"href":"https:\/\/www.synthtopia.com\/wp-json\/wp\/v2\/posts\/151731\/revisions\/151981"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.synthtopia.com\/wp-json\/wp\/v2\/media\/151980"}],"wp:attachment":[{"href":"https:\/\/www.synthtopia.com\/wp-json\/wp\/v2\/media?parent=151731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.synthtopia.com\/wp-json\/wp\/v2\/categories?post=151731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.synthtopia.com\/wp-json\/wp\/v2\/tags?post=151731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}