{"id":133808,"date":"2025-11-20T10:14:21","date_gmt":"2025-11-20T15:14:21","guid":{"rendered":"https:\/\/add-tronique.com\/boutique\/uncategorized\/klipsch-reference-r-121sw-12-inch-subwoofer\/"},"modified":"2025-11-20T15:28:07","modified_gmt":"2025-11-20T20:28:07","slug":"klipsch-reference-r-121sw-12-inch-subwoofer","status":"publish","type":"product","link":"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/","title":{"rendered":"Klipsch Reference R-121SW &#8211; 12-inch Subwoofer"},"content":{"rendered":"<h3 data-start=\"125\" data-end=\"188\"><strong data-start=\"129\" data-end=\"188\">Klipsch Reference R-121SW &#8211; 12-inch Subwoofer<\/strong><\/h3>\n<p data-start=\"190\" data-end=\"579\">The <strong data-start=\"193\" data-end=\"212\">Klipsch R-121SW<\/strong> is a powerful subwoofer designed to deliver deep, punchy and accurate bass, ideal for home theater systems and high-performance audio installations. Thanks to its <strong data-start=\"427\" data-end=\"440\">12&#8243;<\/strong> driver and high-efficiency digital amplifier, it delivers massive, controlled bass that completely transforms the listening experience. <\/p>\n<p data-start=\"581\" data-end=\"827\">With an extended frequency response and high dynamic capability, the R-121SW reproduces every blast, impact or bass line with realism and intensity, while retaining the clarity and precision that define the Klipsch signature.<\/p>\n<p data-start=\"829\" data-end=\"865\"><strong data-start=\"829\" data-end=\"863\">Main features :<\/strong><\/p>\n<ul data-start=\"866\" data-end=\"1306\">\n<li data-start=\"866\" data-end=\"910\">\n<p data-start=\"868\" data-end=\"910\"><strong data-start=\"895\" data-end=\"908\">12-inch<\/strong> active subwoofer<\/p>\n<\/li>\n<li data-start=\"911\" data-end=\"959\">\n<p data-start=\"913\" data-end=\"959\">Powerful, efficient digital amplifier<\/p>\n<\/li>\n<li data-start=\"960\" data-end=\"1004\">\n<p data-start=\"962\" data-end=\"1004\">Deep, clean, punchy bass<\/p>\n<\/li>\n<li data-start=\"1005\" data-end=\"1050\">\n<p data-start=\"1007\" data-end=\"1050\">Frequency response: <strong data-start=\"1030\" data-end=\"1048\">28 Hz &#8211; 120 Hz<\/strong><\/p>\n<\/li>\n<li data-start=\"1051\" data-end=\"1105\">\n<p data-start=\"1053\" data-end=\"1105\">Rear port for more natural, extended bass<\/p>\n<\/li>\n<li data-start=\"1106\" data-end=\"1157\">\n<p data-start=\"1108\" data-end=\"1157\">Controls: level, phase, cut-off frequency<\/p>\n<\/li>\n<li data-start=\"1158\" data-end=\"1234\">\n<p data-start=\"1160\" data-end=\"1234\">Compatible with all amplifiers, AV receivers and audio systems<\/p>\n<\/li>\n<li data-start=\"1235\" data-end=\"1306\">\n<p data-start=\"1237\" data-end=\"1306\">Robust case with finish matching the Klipsch Reference range<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1308\" data-end=\"1508\">The <strong data-start=\"1311\" data-end=\"1330\">Klipsch R-121SW<\/strong> is perfect for those who want powerful, immersive bass, capable of filling a large room and bringing striking realism to movies, music and games.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Klipsch Reference R-121SW &#8211; 12-inch Subwoofer The Klipsch R-121SW is a powerful subwoofer designed to deliver deep, punchy and accurate bass, ideal for home theater systems and high-performance audio installations. Thanks to its 12&#8243; driver and high-efficiency digital amplifier, it delivers massive, controlled bass that completely transforms the listening experience. With an extended frequency response [&hellip;]<\/p>\n","protected":false},"featured_media":133801,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[11533,13836],"product_tag":[18554,14520,16309,11728,12136,18441],"class_list":{"0":"post-133808","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-klipsch-brands","7":"product_cat-subwoofer-en","8":"product_tag-bass-speaker","9":"product_tag-hi-fi-en","10":"product_tag-high-fidelity","11":"product_tag-speaker-en","12":"product_tag-subwoofer-en-2","13":"product_tag-subwoofer-en-8","15":"first","16":"instock","17":"sold-individually","18":"taxable","19":"shipping-taxable","20":"product-type-bundle"},"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":1,"bundle_virtual":false,"bundle_layout":"default","bundle_add_to_cart_form_location":"default","bundle_editable_in_cart":false,"bundle_sold_individually_context":"product","bundle_item_grouping":"parent","bundle_min_size":"","bundle_max_size":"","bundle_price":{"price":{"min":{"incl_tax":"918.65","excl_tax":"799"},"max":{"incl_tax":"918.65","excl_tax":"799"}},"regular_price":{"min":{"incl_tax":"918.65","excl_tax":"799"},"max":{"incl_tax":"918.65","excl_tax":"799"}}},"bundled_items":[],"bundle_sell_ids":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Klipsch Reference R-121SW - 12-inch Subwoofer - Add-Tronique<\/title>\n<meta name=\"description\" content=\"Klipsch R-121SW 12-inch subwoofer, deep, punchy bass, ideal for home theater and high-performance audio systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Klipsch Reference R-121SW - 12-inch Subwoofer - Add-Tronique\" \/>\n<meta property=\"og:description\" content=\"Klipsch R-121SW 12-inch subwoofer, deep, punchy bass, ideal for home theater and high-performance audio systems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/\" \/>\n<meta property=\"og:site_name\" content=\"Add-Tronique\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-20T20:28:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/add-tronique.com\/wp-content\/uploads\/2024\/07\/r121sw-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"862\" \/>\n\t<meta property=\"og:image:height\" content=\"772\" \/>\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=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/\",\"url\":\"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/\",\"name\":\"Klipsch Reference R-121SW - 12-inch Subwoofer - Add-Tronique\",\"isPartOf\":{\"@id\":\"https:\/\/add-tronique.com\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/add-tronique.com\/wp-content\/uploads\/2024\/07\/r121sw-1.png\",\"datePublished\":\"2025-11-20T15:14:21+00:00\",\"dateModified\":\"2025-11-20T20:28:07+00:00\",\"description\":\"Klipsch R-121SW 12-inch subwoofer, deep, punchy bass, ideal for home theater and high-performance audio systems.\",\"breadcrumb\":{\"@id\":\"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/#primaryimage\",\"url\":\"https:\/\/add-tronique.com\/wp-content\/uploads\/2024\/07\/r121sw-1.png\",\"contentUrl\":\"https:\/\/add-tronique.com\/wp-content\/uploads\/2024\/07\/r121sw-1.png\",\"width\":862,\"height\":772,\"caption\":\"Klipsch Reference R-121SW\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Shop\",\"item\":\"https:\/\/add-tronique.com\/en\/shop\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Klipsch Reference R-121SW &#8211; 12-inch Subwoofer\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/add-tronique.com\/en\/#website\",\"url\":\"https:\/\/add-tronique.com\/en\/\",\"name\":\"Add-Tronique\",\"description\":\"Un site utilisant WordPress\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/add-tronique.com\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Klipsch Reference R-121SW - 12-inch Subwoofer - Add-Tronique","description":"Klipsch R-121SW 12-inch subwoofer, deep, punchy bass, ideal for home theater and high-performance audio systems.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/","og_locale":"en_US","og_type":"article","og_title":"Klipsch Reference R-121SW - 12-inch Subwoofer - Add-Tronique","og_description":"Klipsch R-121SW 12-inch subwoofer, deep, punchy bass, ideal for home theater and high-performance audio systems.","og_url":"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/","og_site_name":"Add-Tronique","article_modified_time":"2025-11-20T20:28:07+00:00","og_image":[{"width":862,"height":772,"url":"https:\/\/add-tronique.com\/wp-content\/uploads\/2024\/07\/r121sw-1.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/","url":"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/","name":"Klipsch Reference R-121SW - 12-inch Subwoofer - Add-Tronique","isPartOf":{"@id":"https:\/\/add-tronique.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/#primaryimage"},"image":{"@id":"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/#primaryimage"},"thumbnailUrl":"https:\/\/add-tronique.com\/wp-content\/uploads\/2024\/07\/r121sw-1.png","datePublished":"2025-11-20T15:14:21+00:00","dateModified":"2025-11-20T20:28:07+00:00","description":"Klipsch R-121SW 12-inch subwoofer, deep, punchy bass, ideal for home theater and high-performance audio systems.","breadcrumb":{"@id":"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/#primaryimage","url":"https:\/\/add-tronique.com\/wp-content\/uploads\/2024\/07\/r121sw-1.png","contentUrl":"https:\/\/add-tronique.com\/wp-content\/uploads\/2024\/07\/r121sw-1.png","width":862,"height":772,"caption":"Klipsch Reference R-121SW"},{"@type":"BreadcrumbList","@id":"https:\/\/add-tronique.com\/en\/boutique\/brands-en\/klipsch-brands\/klipsch-reference-r-121sw-12-inch-subwoofer\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Shop","item":"https:\/\/add-tronique.com\/en\/shop\/"},{"@type":"ListItem","position":2,"name":"Klipsch Reference R-121SW &#8211; 12-inch Subwoofer"}]},{"@type":"WebSite","@id":"https:\/\/add-tronique.com\/en\/#website","url":"https:\/\/add-tronique.com\/en\/","name":"Add-Tronique","description":"Un site utilisant WordPress","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/add-tronique.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/add-tronique.com\/en\/wp-json\/wp\/v2\/product\/133808","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/add-tronique.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/add-tronique.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/add-tronique.com\/en\/wp-json\/wp\/v2\/comments?post=133808"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/add-tronique.com\/en\/wp-json\/wp\/v2\/media\/133801"}],"wp:attachment":[{"href":"https:\/\/add-tronique.com\/en\/wp-json\/wp\/v2\/media?parent=133808"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/add-tronique.com\/en\/wp-json\/wp\/v2\/product_brand?post=133808"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/add-tronique.com\/en\/wp-json\/wp\/v2\/product_cat?post=133808"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/add-tronique.com\/en\/wp-json\/wp\/v2\/product_tag?post=133808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}