{"id":9531,"date":"2026-10-17T10:24:08","date_gmt":"2026-10-17T10:24:08","guid":{"rendered":"https:\/\/yh-audio.com\/?post_type=product&#038;p=9531"},"modified":"2026-10-17T10:24:08","modified_gmt":"2026-10-17T10:24:08","slug":"da-250-digital-power-amplifier","status":"publish","type":"product","link":"https:\/\/yh-audio.com\/pt\/product\/da-250-digital-power-amplifier\/","title":{"rendered":"DA 250 Digital Power Amplifier"},"content":{"rendered":"<h2>YH-DA-250 Product Overview<\/h2>\n<p>YH-DA-250 is prepared for professional audio distributors, retailers, rental companies, installers and project buyers sourcing from Enping, China.<\/p>\n<h2>Compras por atacado<\/h2>\n<ul>\n<li>Avalia\u00e7\u00e3o de pequenos lotes e de ordem experimental sujeita \u00e0s condi\u00e7\u00f5es atuais da f\u00e1brica.<\/li>\n<li>A compra de modelos mistos pode ser coordenada sempre que poss\u00edvel.<\/li>\n<li>O logotipo do OEM e as op\u00e7\u00f5es de embalagem dependem da configura\u00e7\u00e3o e da quantidade.<\/li>\n<li>Faixa de frequ\u00eancia, tens\u00e3o, plugue, acess\u00f3rios e requisitos de certifica\u00e7\u00e3o devem ser reconfirmados antes da cota\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>Especifica\u00e7\u00f5es do produto dispon\u00edveis<\/h2>\n<table style=\"width:100%;border-collapse:collapse\">\n<tbody>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Modelo<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">DA-250<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Channels<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">2<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">8 \u03a9 output<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">2\u00d7250 W<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">4 \u03a9 output<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">2\u00d7450 W<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Frequency response<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">20 Hz\u201320 kHz, \u00b10.5 dB at 1 W \/ 8 \u03a9<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">THD<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">0.02 at 1 kHz \/ 8 \u03a9 (percent sign not stated; confirm unit)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Rela\u00e7\u00e3o sinal-ru\u00eddo<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">\u2265105 dB, A-weighted<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Damping factor<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">\u2265250<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Input sensitivity<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">0.775 V \/ 1.0 V<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Slew rate<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">17 V\/\u00b5s<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Input impedance<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">20 k\u03a9 balanced \/ 10 k\u03a9 unbalanced<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Crosstalk<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">75 dB<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Protection<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">DC, short circuit, over-temperature and power-switch transient<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Indicators<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">Signal, power, distortion and protection LEDs<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Cooling<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">Two-level forced tunnel airflow toward rear panel<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Connection terminal<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">\u201cCanon\u201d stated; confirm exact XLR\/connector configuration<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">AC versions<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">110\u2013120 V or 220\u2013240 V, 50\/60 Hz; internal jumper stated<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Operating temperature<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">0\u201350\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Dimensions<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">480 \u00d7 340 \u00d7 48 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">Net weight<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">5 kg<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:10px;font-weight:bold;width:38%\">SKU<\/td>\n<td style=\"border:1px solid #ddd;padding:10px\">Q00012<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>As especifica\u00e7\u00f5es s\u00e3o baseadas nas informa\u00e7\u00f5es atuais de f\u00e1brica\/fonte e devem ser reconfirmadas antes do pedido em massa.<\/em><\/p>\n<h2>Solicite uma cota\u00e7\u00e3o<\/h2>\n<p>Envie YH Audio seu mercado-alvo, quantidade, aplica\u00e7\u00e3o e configura\u00e7\u00e3o necess\u00e1ria. Confirmaremos a vers\u00e3o atual, MOQ, disponibilidade da amostra, lead time e op\u00e7\u00f5es de OEM.<\/p>","protected":false},"excerpt":{"rendered":"<p>YH-DA-250 is a professional audio model supplied by YH Audio for distributors, retailers, rental companies, installers and other B2B buyers, with flexible small-batch and mixed-model sourcing options.<\/p>","protected":false},"featured_media":9532,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[39],"product_tag":[],"class_list":["post-9531","product","type-product","status-publish","has-post-thumbnail","product_cat-amplifier","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/yh-audio.com\/pt\/wp-json\/wp\/v2\/product\/9531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yh-audio.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/yh-audio.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/yh-audio.com\/pt\/wp-json\/wp\/v2\/product\/9531\/revisions"}],"predecessor-version":[{"id":10700,"href":"https:\/\/yh-audio.com\/pt\/wp-json\/wp\/v2\/product\/9531\/revisions\/10700"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yh-audio.com\/pt\/wp-json\/wp\/v2\/media\/9532"}],"wp:attachment":[{"href":"https:\/\/yh-audio.com\/pt\/wp-json\/wp\/v2\/media?parent=9531"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/yh-audio.com\/pt\/wp-json\/wp\/v2\/product_brand?post=9531"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/yh-audio.com\/pt\/wp-json\/wp\/v2\/product_cat?post=9531"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/yh-audio.com\/pt\/wp-json\/wp\/v2\/product_tag?post=9531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}