{"id":12365,"date":"2026-01-25T00:55:07","date_gmt":"2026-01-25T05:55:07","guid":{"rendered":"https:\/\/feurpro.com\/?page_id=12365"},"modified":"2026-03-29T01:58:26","modified_gmt":"2026-03-29T05:58:26","slug":"amplificador-de-potencia-clase-d-profesional-a4k","status":"publish","type":"page","link":"https:\/\/feurpro.com\/es\/fu-a4k-professional-class-d-power-amplifier\/","title":{"rendered":"Amplificador de potencia profesional Clase D FU-A4K \u2013 4000W por canal"},"content":{"rendered":"<h1 class=\"wp-block-heading\"><strong><code>Amplificador de potencia profesional Clase D FU-A4K \u2013 Descripci\u00f3n general<\/code><\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">El amplificador FEUR FU-A4K representa la entrada perfecta a nuestra serie K de amplificaci\u00f3n profesional Clase D. Con 4,000 vatios RMS por canal a 4\u03a9 (6,000 W a 2\u03a9), este amplificador de dos canales combina una eficiencia energ\u00e9tica superior al 90% con una calidad de sonido excepcional para sistemas de audio profesionales de tama\u00f1o mediano.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dise\u00f1ado espec\u00edficamente para monitores de escenario, sistemas de PA corporativos y recintos peque\u00f1os, el FU-A4K utiliza tecnolog\u00eda de modulaci\u00f3n PWM de vanguardia con una frecuencia de conmutaci\u00f3n superior a los 100 kHz. Su arquitectura de fuente de alimentaci\u00f3n de modo conmutado con PFC activo garantiza un funcionamiento estable en cualquier red el\u00e9ctrica global, mientras que m\u00faltiples sistemas de protecci\u00f3n (cortocircuito, desplazamiento de CC, t\u00e9rmica) aseguran la m\u00e1xima fiabilidad.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-attachment-id=\"12368\" data-permalink=\"https:\/\/feurpro.com\/es\/fu-a4k-professional-class-d-power-amplifier\/fu-a4k-3-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?fit=1024%2C1024&amp;ssl=1\" data-orig-size=\"1024,1024\" data-comments-opened=\"1\" data-image-title=\"FU-A4K-3\" data-image-description=\"&lt;p&gt;FU-A4K professional Class D power amplifier&lt;\/p&gt;\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?fit=1024%2C1024&amp;ssl=1\" data-id=\"12368\" src=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?resize=1024%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-12368\" srcset=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?resize=800%2C800&amp;ssl=1 800w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?resize=400%2C400&amp;ssl=1 400w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?resize=200%2C200&amp;ssl=1 200w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?resize=520%2C520&amp;ssl=1 520w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?resize=980%2C980&amp;ssl=1 980w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-3-1.webp?resize=240%2C240&amp;ssl=1 240w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-attachment-id=\"12369\" data-permalink=\"https:\/\/feurpro.com\/es\/fu-a4k-professional-class-d-power-amplifier\/fu-a4k-professional-power-amplifier-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?fit=1024%2C1024&amp;ssl=1\" data-orig-size=\"1024,1024\" data-comments-opened=\"1\" data-image-title=\"FU-A4K-professional-power-amplifier\" data-image-description=\"&lt;p&gt;FU-A4K professional Class D power amplifier \u2013 4000W per channel&lt;\/p&gt;\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?fit=1024%2C1024&amp;ssl=1\" data-id=\"12369\" src=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?resize=1024%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-12369\" srcset=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?resize=800%2C800&amp;ssl=1 800w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?resize=400%2C400&amp;ssl=1 400w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?resize=200%2C200&amp;ssl=1 200w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?resize=520%2C520&amp;ssl=1 520w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?resize=980%2C980&amp;ssl=1 980w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A4K-professional-power-amplifier-1.webp?resize=240%2C240&amp;ssl=1 240w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-attachment-id=\"12370\" data-permalink=\"https:\/\/feurpro.com\/es\/fu-a4k-professional-class-d-power-amplifier\/professional-power-amplifierfu-a4k-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?fit=1024%2C1024&amp;ssl=1\" data-orig-size=\"1024,1024\" data-comments-opened=\"1\" data-image-title=\"professional- power- amplifierFU-A4K-\" data-image-description=\"&lt;p&gt;FU-A4K professional Class D power amplifier&lt;\/p&gt;\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?fit=1024%2C1024&amp;ssl=1\" data-id=\"12370\" src=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?resize=1024%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-12370\" srcset=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?resize=800%2C800&amp;ssl=1 800w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?resize=400%2C400&amp;ssl=1 400w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?resize=200%2C200&amp;ssl=1 200w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?resize=520%2C520&amp;ssl=1 520w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?resize=980%2C980&amp;ssl=1 980w, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/professional-power-amplifierFU-A4K-1-1.webp?resize=240%2C240&amp;ssl=1 240w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">FU-A4K | 4,000W RMS por canal a 4\u03a9 | Amplificador de 2 canales de alta eficiencia para monitores, PA y subwoofers<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El amplificador de potencia profesional FU-A4K ofrece 4,000 vatios por canal a 4\u03a9 en un dise\u00f1o compacto y de alta eficiencia Clase D, adaptado para sistemas profesionales de tama\u00f1o mediano. Su arquitectura de 2 canales con 6,000W disponibles a 2\u03a9 y hasta 4,000W en modo puente le brinda una entrega de potencia flexible para monitores de escenario, sistemas de PA corporativos, teatros peque\u00f1os e instalaciones en iglesias. Con m\u00e1s de 90% de eficiencia energ\u00e9tica, proporciona una salida seria al tiempo que mantiene el calor y el consumo de energ\u00eda bajo control.<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La modulaci\u00f3n PWM avanzada con una frecuencia de conmutaci\u00f3n superior a 100 kHz y una fuente de alimentaci\u00f3n conmutada con PFC activo garantizan un rendimiento estable en redes el\u00e9ctricas globales, desde racks de tour hasta instalaciones permanentes. M\u00faltiples capas de protecci\u00f3n \u2014cortocircuito, CC, t\u00e9rmica\u2014 protegen tu inversi\u00f3n y mantienen los espect\u00e1culos en marcha incluso en condiciones exigentes. Ya sea alimentando monitores de 2\u00d715\u2033, arreglos compactos de m\u00f3dulos de 8\u2033 o subwoofers dobles de 15\u2033\/simples de 18\u2033, la FU-A4K mantiene la claridad y la potencia a cualquier nivel.<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para las empresas de alquiler, integradores y recintos, el FU-A4K es un punto de entrada inteligente al ecosistema de la Serie K. Ofrece suficiente potencia para audiencias de 150 a 250 personas en eventos corporativos y espacios comunitarios, al tiempo que se mantiene lo suficientemente ligero y eficiente para el uso diario. Si necesita un amplificador fiable de clase profesional que sirva de puente entre el rendimiento de nivel touring y la practicidad de instalaci\u00f3n, el FU-A4K est\u00e1 dise\u00f1ado para ser su caballo de batalla de referencia.<\/p>\n\n\n\n<h3 id=\"external-resources-and-technical-information\" class=\"wp-block-heading\"><strong>Recursos externos e informaci\u00f3n t\u00e9cnica:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.prosoundweb.com\/line-array-basics\/\" target=\"_blank\" rel=\"noreferrer noopener\">Principios de Dise\u00f1o de L\u00ednea de Arreglos de Audio Profesional<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/plasa.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Normas de seguridad para el montaje de altavoces<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/acousticalsociety.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Sociedad Ac\u00fastica de Am\u00e9rica \u2013 Recursos de Refuerzo Sonoro<\/a><\/li>\n<\/ul>\n\n\n\n<h2 id=\"professional-applications\" class=\"wp-block-heading\"><strong>Aplicaciones Profesionales<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Monitores de escenario: potencia hasta 2\u00d715\u2033 tipo cu\u00f1a con headroom limpio para mezclas de voz e instrumentos.<\/li>\n\n\n\n<li>Sistemas de megafon\u00eda corporativa: Ideales para eventos de 150 a 250 personas en hoteles, salas de conferencias y auditorios.<\/li>\n\n\n\n<li>Templos y Centros Comunitarios: Amplificaci\u00f3n principal o de monitor confiable para espacios de iglesia y comunitarios.<\/li>\n\n\n\n<li>Refuerzo de teatro peque\u00f1o: Potenciar arreglos principales o altavoces de relleno en recintos de espect\u00e1culos \u00edntimos.<\/li>\n\n\n\n<li>Potencia para Subwoofer: Adecuado para subwoofers duales de 15\u2033 o sencillos de 18\u2033 y arreglos compactos de 8\u2033 (4\u20136 m\u00f3dulos).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">FEUR construye el FU-A4K como una plataforma profesional Clase D que equilibra potencia, eficiencia y confiabilidad para las necesidades de giras e instalaciones en el mundo real. La arquitectura de alta eficiencia mantiene bajos los costos operativos y la temperatura del rack, mientras que la protecci\u00f3n robusta asegura un rendimiento constante evento tras evento. Para contratistas y empresas de alquiler, esto significa menos fallas, log\u00edstica m\u00e1s sencilla y una base confiable para sistemas de tama\u00f1o mediano.<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00bfPor qu\u00e9 elegir FEUR para tu FU-A4K?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><code>Amplificador de potencia profesional Clase D FU-A4K para sistemas de tama\u00f1o mediano<\/code><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Dentro del ecosistema de FEUR, el FU-A4K se empareja de forma natural con monitores de escenario, arreglos compactos y subwoofers, simplificando el dise\u00f1o y la implementaci\u00f3n. Los integradores obtienen un amplificador flexible que puede servir como fuente de alimentaci\u00f3n principal, de monitor o de subwoofer sin necesidad de cambiar familias de hardware, agilizando el inventario y el servicio. Elegir FEUR para tu FU-A4K significa asociarte con una marca enfocada en soluciones de amplificaci\u00f3n pr\u00e1cticas y probadas en el campo.<br><\/p>\n\n\n\n<div class=\"wp-block-uagb-image aligncenter uagb-block-06e94300 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-center\"><figure class=\"wp-block-uagb-image__figure\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/Serie-K.webp?resize=750%2C423&#038;ssl=1\" alt=\"Amplificador de potencia profesional FU-A10K\" class=\"uag-image-12325\" width=\"750\" height=\"423\" title=\"Serie K\" loading=\"lazy\" role=\"img\" \/><\/figure><\/div>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Dentro del ecosistema de FEUR, el FU-A4K se empareja de forma natural con monitores de escenario, arreglos compactos y subwoofers, simplificando el dise\u00f1o y la implementaci\u00f3n. Los integradores obtienen un amplificador flexible que puede servir como fuente de alimentaci\u00f3n principal, de monitor o de subwoofer sin necesidad de cambiar familias de hardware, agilizando el inventario y el servicio. Elegir FEUR para tu FU-A4K significa asociarte con una marca enfocada en soluciones de amplificaci\u00f3n pr\u00e1cticas y probadas en el campo.<\/p>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-2&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading has-black-color has-text-color has-background has-link-color has-medium-font-size wp-elements-1\" style=\"border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px;background-color:#ffffff\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-2-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-2\" type=\"button\" class=\"wp-block-accordion-heading__toggle\" style=\"padding-top:var(--wp--preset--spacing--40);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--40);padding-left:var(--wp--preset--spacing--30)\"><span class=\"wp-block-accordion-heading__toggle-title\">Especificaciones t\u00e9cnicas<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div aria-labelledby=\"accordion-item-2\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-2-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Especificaci\u00f3n<\/td><td>FU-A4K<\/td><\/tr><tr><td>Descripci\u00f3n<\/td><td>Grado de gira 2 canales<\/td><\/tr><tr><td>Respuesta de frecuencia<\/td><td>20 Hz \u2013 20 kHz<\/td><\/tr><tr><td>Se\u00f1al a Ruido<\/td><td>93dB<\/td><\/tr><tr><td>Sensibilidad de entrada<\/td><td>0.7V<\/td><\/tr><tr><td>THD a 1 kHz<\/td><td>&lt; 0.5%<\/td><\/tr><tr><td>Impedancia de entrada<\/td><td>20k Ohms<\/td><\/tr><tr><td>Conectores de entrada<\/td><td>XLR de 3 pines<\/td><\/tr><tr><td>Conectores de salida<\/td><td>Speakon de 2 pines<\/td><\/tr><tr><td>Consumo de energ\u00eda<\/td><td>500W \/ 25A Pico<\/td><\/tr><tr><td>Calificaci\u00f3n: 4 \u03a9 est\u00e9reo<\/td><td>2000W \/ 63V<\/td><\/tr><tr><td>Clasificaci\u00f3n: Est\u00e9reo de 8 \u03a9<\/td><td>1700W \/ 75V<\/td><\/tr><tr><td>Calificaci\u00f3n: Puente de 4 \u03a9<\/td><td>4000W \/ 100V<\/td><\/tr><tr><td>Calificaci\u00f3n: Puente de 8 \u03a9<\/td><td>2500W \/ 123V<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-3&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading has-black-color has-text-color has-background has-link-color has-medium-font-size wp-elements-2\" style=\"border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px;background-color:#ffffff\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-3-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-3\" type=\"button\" class=\"wp-block-accordion-heading__toggle\" style=\"padding-top:var(--wp--preset--spacing--40);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--40);padding-left:var(--wp--preset--spacing--30)\"><span class=\"wp-block-accordion-heading__toggle-title\">Certificaciones, Premios y Reconocimientos de la Industria<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div aria-labelledby=\"accordion-item-3\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-3-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Miembro de NAMM \u2014 Miembro orgulloso de la National Association of Music Merchants, la asociaci\u00f3n comercial global para la industria de productos musicales.<\/li>\n\n\n\n<li>Verificado en EE. UU. \u2014 Productos fabricados y controlados bajo rigurosos est\u00e1ndares de verificaci\u00f3n de EE. UU.<\/li>\n\n\n\n<li>Marcado CE \u2014 Cumplimiento total de las directivas de la Uni\u00f3n Europea sobre seguridad, salud y protecci\u00f3n del medio ambiente.<\/li>\n\n\n\n<li>Cumple con RoHS \u2014 Los productos est\u00e1n libres de sustancias peligrosas restringidas de acuerdo con la directiva RoHS.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-4&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading has-black-color has-text-color has-background has-link-color has-medium-font-size wp-elements-3\" style=\"border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px;background-color:#ffffff\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-4-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-4\" type=\"button\" class=\"wp-block-accordion-heading__toggle\" style=\"padding-top:var(--wp--preset--spacing--40);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--40);padding-left:var(--wp--preset--spacing--30)\"><span class=\"wp-block-accordion-heading__toggle-title\">\u00bfQU\u00c9 EST\u00c1 INCLUIDO EN LA CAJA?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div aria-labelledby=\"accordion-item-4\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-4-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>1x Amplificador de potencia serie K (modelo seg\u00fan pedido)<\/li>\n\n\n\n<li>Cable de alimentaci\u00f3n IEC<\/li>\n\n\n\n<li>Hardware de montaje en rack<\/li>\n\n\n\n<li>Manual de usuario<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Nota: El contenido del paquete puede variar seg\u00fan la regi\u00f3n y el canal de distribuci\u00f3n. P\u00f3ngase en contacto con su distribuidor autorizado FEUR PRO para conocer las configuraciones espec\u00edficas.<\/em><\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-5&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading has-black-color has-text-color has-background has-link-color has-medium-font-size wp-elements-4\" style=\"border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px;background-color:#ffffff\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-5-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" id=\"accordion-item-5\" type=\"button\" class=\"wp-block-accordion-heading__toggle\" style=\"padding-top:var(--wp--preset--spacing--40);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--40);padding-left:var(--wp--preset--spacing--30)\"><span class=\"wp-block-accordion-heading__toggle-title\">Casos de uso profesional y preguntas frecuentes<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div aria-labelledby=\"accordion-item-5\" data-wp-bind--hidden=\"state.isHidden\" data-wp-on--beforematch=\"actions.handleBeforeMatch\" id=\"accordion-item-5-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u00bfEn qu\u00e9 se diferencia la Serie K de la Serie TRA?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La Serie K utiliza una fuente de alimentaci\u00f3n conmutada optimizada para portabilidad de calidad profesional y entrega de alta potencia pico instant\u00e1nea. La Serie TRA utiliza un transformador toroidal, ofreciendo una estabilidad superior en instalaciones permanentes y regiones con voltaje de red fluctuante.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u00bfEs el FU-A10K adecuado para aplicaciones multizona o biamplificaci\u00f3n?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00ed. Como amplificador de 4 canales, el FU-A10K es ideal para sistemas de audio distribuidos, bi-amplificaci\u00f3n de arreglos de altavoces activos o para alimentar m\u00faltiples zonas de altavoces desde una sola unidad de rack.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u00bfQu\u00e9 sistemas de altavoces se benefician m\u00e1s del FU-A14K?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El FU-A14K es ideal para amplificar grandes arreglos de subwoofers pasivos y arrays principales de PA de alta potencia en conciertos y producciones de festivales importantes.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-uagb-call-to-action uagb-block-326547ee wp-block-button\"><div class=\"uagb-cta__wrap\"><h3 class=\"uagb-cta__title\"><strong>\u00bfListo para ver todas las especificaciones?<\/strong><\/h3><p class=\"uagb-cta__desc\">Explora todos los detalles t\u00e9cnicos de este modelo en su hoja de datos oficial. Obt\u00e9n la informaci\u00f3n que necesitas para integrarlo en tu sistema con total confianza. El bot\u00f3n para abrir la <strong><strong><strong>FU-A4K<\/strong><\/strong><\/strong> PDF t\u00e9cnico.<br><\/p><\/div><div class=\"uagb-cta__buttons\"><a href=\"https:\/\/feurpro.com\/wp-content\/uploads\/2024\/09\/FU-A4K.pdf\" class=\"uagb-cta__button-link-wrapper wp-block-button__link\" target=\"_blank\" rel=\"noopener noreferrer\">FU-A4K<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M504.3 273.6l-112.1 104c-6.992 6.484-17.18 8.218-25.94 4.406c-8.758-3.812-14.42-12.45-14.42-21.1L351.9 288H32C14.33 288 .0002 273.7 .0002 255.1S14.33 224 32 224h319.9l0-72c0-9.547 5.66-18.19 14.42-22c8.754-3.809 18.95-2.075 25.94 4.41l112.1 104C514.6 247.9 514.6 264.1 504.3 273.6z\"><\/path><\/svg><\/a><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>FU-A4K professional Class D power amplifier \u2013 Overview The FEUR FU-A4K amplifier represents the perfect entry into our K Series of professional Class D amplification. With 4,000 watts RMS per channel into 4\u03a9 (6,000W into 2\u03a9), this two-channel amplifier combines energy efficiency exceeding 90% with exceptional sound quality for mid-sized professional audio systems. Specifically designed [&hellip;]<\/p>\n","protected":false},"author":254008830,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":"","_uag_custom_page_level_css":"","_wpcom_ai_launchpad_about_page":false,"_wpcom_ai_launchpad_gallery_page":false,"_wpcom_ai_launchpad_contact_page":false,"_wpcom_ai_launchpad_events_page":false,"_wpcom_ai_launchpad_video_page":false,"_wpcom_ai_launchpad_portfolio_piece":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"footnotes":""},"class_list":["post-12365","page","type-page","status-publish","hentry"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false,"newspack-article-block-landscape-large":false,"newspack-article-block-portrait-large":false,"newspack-article-block-square-large":false,"newspack-article-block-landscape-medium":false,"newspack-article-block-portrait-medium":false,"newspack-article-block-square-medium":false,"newspack-article-block-landscape-intermediate":false,"newspack-article-block-portrait-intermediate":false,"newspack-article-block-square-intermediate":false,"newspack-article-block-landscape-small":false,"newspack-article-block-portrait-small":false,"newspack-article-block-square-small":false,"newspack-article-block-landscape-tiny":false,"newspack-article-block-portrait-tiny":false,"newspack-article-block-square-tiny":false,"newspack-article-block-uncropped":false,"post-thumbnail":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false},"uagb_author_info":{"display_name":"alioth","author_link":"https:\/\/feurpro.com\/es\/author\/aliothms\/"},"uagb_comment_info":0,"uagb_excerpt":"FU-A4K professional Class D power amplifier \u2013 Overview The FEUR FU-A4K amplifier represents the perfect entry into our K Series of professional Class D amplification. With 4,000 watts RMS per channel into 4\u03a9 (6,000W into 2\u03a9), this two-channel amplifier combines energy efficiency exceeding 90% with exceptional sound quality for mid-sized professional audio systems. Specifically designed&hellip;","jetpack_likes_enabled":false,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/PfX8uF-3dr","jetpack-related-posts":[{"id":1945,"url":"https:\/\/feurpro.com\/es\/power-amplifiers\/","url_meta":{"origin":12365,"position":0},"title":"AMPLIFICADORES DE POTENCIA PROFESIONALES","author":"Admin","date":"agosto 9, 2024","format":false,"excerpt":"Amplificadores de potencia profesionales: series Clase D y Clase H para audio profesional. Los amplificadores de potencia profesionales FEUR est\u00e1n dise\u00f1ados para refuerzo de sonido, eventos en vivo e instalaciones fijas. La gama incluye la serie K de Clase D de alta eficiencia (eficiencia &gt;90%) y la serie TRA de Clase H de doble rail, que ofrecen potencias de salida RMS robustas. FEUR\u2026","rel":"","context":"Entrada similar ","block_context":{"text":"Entrada similar ","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2024\/08\/banner_power_1800_395_v1.png?fit=1200%2C263&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2024\/08\/banner_power_1800_395_v1.png?fit=1200%2C263&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2024\/08\/banner_power_1800_395_v1.png?fit=1200%2C263&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2024\/08\/banner_power_1800_395_v1.png?fit=1200%2C263&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2024\/08\/banner_power_1800_395_v1.png?fit=1200%2C263&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":9115,"url":"https:\/\/feurpro.com\/es\/amplificadores-de-potencia\/","url_meta":{"origin":12365,"position":1},"title":"AMPLIFICADORES DE POTENCIA","author":"alioth","date":"noviembre 15, 2025","format":false,"excerpt":"SERIE K AMPLIFICADORES CLASE D PROFESIONALES FU-A4KFU-A6KFU-A10KFU-A14KFU-A12000-4 SERIE TRA AMPLIFICADORES CLASE H PROFESIONALES FU-TRA3000FU-TRA5000U-TRA7000FU-TRA9000FU-TRA11000","rel":"","context":"Entrada similar ","block_context":{"text":"Entrada similar ","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2024\/08\/banner_power_1800_395_v1.png?fit=1200%2C263&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2024\/08\/banner_power_1800_395_v1.png?fit=1200%2C263&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2024\/08\/banner_power_1800_395_v1.png?fit=1200%2C263&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2024\/08\/banner_power_1800_395_v1.png?fit=1200%2C263&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2024\/08\/banner_power_1800_395_v1.png?fit=1200%2C263&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":12396,"url":"https:\/\/feurpro.com\/es\/fu-a14k-14000w-power-amplifier\/","url_meta":{"origin":12365,"position":2},"title":"Amplificador de Potencia FU-A14K de 14000W \u2013 Clase D Profesional de Alta Potencia","author":"alioth","date":"enero 25, 2026","format":false,"excerpt":"Amplificador de potencia FU-A14K de 14000 W: La soluci\u00f3n definitiva de alta potencia. Este amplificador avanzado combina una alta eficiencia energ\u00e9tica con un rendimiento excepcional, lo que lo hace ideal para aplicaciones de audio exigentes. Con un convertidor CC-CC de seguimiento y un elegante panel frontal de aluminio, garantiza tanto durabilidad como confiabilidad. La impresionante potencia de salida del FU-A14K, de 14000 W, ofrece un rendimiento robusto...","rel":"","context":"Entrada similar ","block_context":{"text":"Entrada similar ","link":""},"img":{"alt_text":"FU-A14K 14000W power amplifier","src":"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A14K-14000W-power-amplifier-03.webp?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A14K-14000W-power-amplifier-03.webp?resize=350%2C200 1x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A14K-14000W-power-amplifier-03.webp?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A14K-14000W-power-amplifier-03.webp?resize=700%2C400 2x"},"classes":[]},{"id":12296,"url":"https:\/\/feurpro.com\/es\/fu-a10k-professional-power-amplifier\/","url_meta":{"origin":12365,"position":3},"title":"Amplificador de potencia profesional FU-A10K \u2013 Serie K de Clase D de 10 canales","author":"alioth","date":"enero 24, 2026","format":false,"excerpt":"Amplificador de potencia profesional FU-A10K \u2013 Serie K Clase D de 10 canales El FU-A10K es un amplificador profesional Clase D de 10 canales dise\u00f1ado para lograr la m\u00e1xima densidad de canales sin sacrificar potencia, eficiencia o confiabilidad. Dise\u00f1ado para instalaciones modernas y sistemas de giras, reemplaza m\u00faltiples amplificadores con una sola soluci\u00f3n de alta densidad. FU-A10K | 10 x\u2026","rel":"","context":"Entrada similar ","block_context":{"text":"Entrada similar ","link":""},"img":{"alt_text":"FU-A10K professional power amplifier","src":"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2025\/12\/FU-A10K-2.webp?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2025\/12\/FU-A10K-2.webp?resize=350%2C200 1x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2025\/12\/FU-A10K-2.webp?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2025\/12\/FU-A10K-2.webp?resize=700%2C400 2x"},"classes":[]},{"id":12333,"url":"https:\/\/feurpro.com\/es\/fu-a6k-6000w-power-amplifier\/","url_meta":{"origin":12365,"position":4},"title":"FU-A6K Amplificador de potencia de 6000W | Potente amplificador de 2 canales para sistemas exigentes","author":"alioth","date":"enero 24, 2026","format":false,"excerpt":"Amplificador de potencia FU-A6K de 6000 W | Amplificador PA de alta potencia de 2 canales Descubre la potencia sin igual del amplificador de 2 canales FU-A6K, dise\u00f1ado para llevar tu sonido al siguiente nivel. La versatilidad del amplificador de potencia FU-A6K de 6000 W se adapta a varias configuraciones de impedancia, lo que garantiza un sonido claro y potente en cualquier evento. Potencia tu sistema de sonido con...","rel":"","context":"Entrada similar ","block_context":{"text":"Entrada similar ","link":""},"img":{"alt_text":"FU-A6K 6000W power amplifier","src":"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A6K-.webp?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A6K-.webp?resize=350%2C200 1x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A6K-.webp?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/01\/FU-A6K-.webp?resize=700%2C400 2x"},"classes":[]},{"id":12695,"url":"https:\/\/feurpro.com\/es\/fu-tra11000-11000w-power-amplifier\/","url_meta":{"origin":12365,"position":5},"title":"Amplificador de Potencia FU-TRA11000 de 11000W | Potente Rendimiento Clase H","author":"alioth","date":"febrero 6, 2026","format":false,"excerpt":"Amplificador de potencia FU-TRA11000 de 11000 W El amplificador de potencia FU-TRA11000 de 11000 W es la soluci\u00f3n definitiva para eventos profesionales, ya que ofrece una potencia inmensa y una claridad de audio impecable. Su circuiter\u00eda avanzada de Clase H garantiza un rendimiento confiable y de alta fidelidad con un control excepcional de los altavoces. Este amplificador proporciona la confianza y la capacidad inquebrantables necesarias para el sonido m\u00e1s exigente\u2026","rel":"","context":"Entrada similar ","block_context":{"text":"Entrada similar ","link":""},"img":{"alt_text":"FU-TRA11000 11000W power amplifier","src":"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/02\/FU-TRA11000-2-1.webp?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/02\/FU-TRA11000-2-1.webp?resize=350%2C200 1x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/02\/FU-TRA11000-2-1.webp?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/feurpro.com\/wp-content\/uploads\/2026\/02\/FU-TRA11000-2-1.webp?resize=700%2C400 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/feurpro.com\/es\/wp-json\/wp\/v2\/pages\/12365","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feurpro.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/feurpro.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/feurpro.com\/es\/wp-json\/wp\/v2\/users\/254008830"}],"replies":[{"embeddable":true,"href":"https:\/\/feurpro.com\/es\/wp-json\/wp\/v2\/comments?post=12365"}],"version-history":[{"count":25,"href":"https:\/\/feurpro.com\/es\/wp-json\/wp\/v2\/pages\/12365\/revisions"}],"predecessor-version":[{"id":13988,"href":"https:\/\/feurpro.com\/es\/wp-json\/wp\/v2\/pages\/12365\/revisions\/13988"}],"wp:attachment":[{"href":"https:\/\/feurpro.com\/es\/wp-json\/wp\/v2\/media?parent=12365"}],"curies":[{"name":"\u00a1Bien jugado!","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}