{"id":7276,"date":"2026-05-30T03:35:32","date_gmt":"2026-05-30T01:35:32","guid":{"rendered":"https:\/\/commercialaudio.proel.com\/prodotti\/uncategorized\/pa-aup4250s-250w-four-channels-power-amplifier\/"},"modified":"2026-05-30T04:03:44","modified_gmt":"2026-05-30T02:03:44","slug":"pa-aup4250s-250w-four-channels-power-amplifier","status":"publish","type":"product","link":"https:\/\/commercialaudio.proel.com\/en\/prodotto\/pa-aup4250s-250w-four-channels-power-amplifier\/","title":{"rendered":"250W FOUR CHANNELS POWER AMPLIFIER"},"content":{"rendered":"<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"465\" style=\"background-color: rgb(255, 255, 255); width: 349pt;\">\n<colgroup>\n<col width=\"186\" style=\"width: 140pt;\">\n<col width=\"279\" style=\"width: 209pt;\"><\/colgroup>\n<tbody>\n<tr height=\"19\" style=\"height: 14.4pt;\">\n<td height=\"19\" class=\"xl66\" width=\"186\" style=\"height: 14.4pt; width: 140pt;\">Model\u00a0<\/td>\n<td class=\"xl66\" width=\"279\" style=\"width: 209pt;\">AUP4125S<\/td>\n<\/tr>\n<tr height=\"19\" style=\"height: 14.4pt;\">\n<td height=\"19\" class=\"xl66\" style=\"height: 14.4pt;\">Output power RMS<\/td>\n<td class=\"xl66\">4 x 250W<\/td>\n<\/tr>\n<tr height=\"38\" style=\"height: 28.8pt;\">\n<td height=\"38\" class=\"xl66\" style=\"height: 28.8pt;\">Inputs<\/td>\n<td class=\"xl65\" width=\"279\" style=\"width: 209pt;\">4 X balanced line<br \/>4 X Priority unbalanced line<\/td>\n<\/tr>\n<tr height=\"38\" style=\"height: 28.8pt;\">\n<td height=\"38\" class=\"xl66\" style=\"height: 28.8pt;\">Input Sensitivity<\/td>\n<td class=\"xl65\" width=\"279\" style=\"width: 209pt;\">Line: 1V\/47k\u03a9<br \/>variable gain 600\u03a9<\/td>\n<\/tr>\n<tr height=\"58\" style=\"height: 43.2pt;\">\n<td height=\"58\" class=\"xl66\" style=\"height: 43.2pt;\">Controls<\/td>\n<td class=\"xl65\" width=\"279\" style=\"width: 209pt;\">4 Master volume controls<br \/>4 treble tone controls<br \/>4 bass tone controls<\/td>\n<\/tr>\n<tr height=\"19\" style=\"height: 14.4pt;\">\n<td height=\"19\" class=\"xl66\" style=\"height: 14.4pt;\">Loudspeakers outputs<\/td>\n<td class=\"xl66\">100\/70V\/4\u03a9<\/td>\n<\/tr>\n<tr height=\"19\" style=\"height: 14.4pt;\">\n<td height=\"19\" class=\"xl66\" style=\"height: 14.4pt;\">Frequency response<\/td>\n<td class=\"xl66\">20Hz -20khz (-3dB)<\/td>\n<\/tr>\n<tr height=\"19\" style=\"height: 14.4pt;\">\n<td height=\"19\" class=\"xl66\" style=\"height: 14.4pt;\">Distortion (THD)<\/td>\n<td class=\"xl66\">< 0.5% (@ Pnom 1KHz)<\/td>\n<\/tr>\n<tr height=\"19\" style=\"height: 14.4pt;\">\n<td height=\"19\" class=\"xl66\" style=\"height: 14.4pt;\">S\/N Ratio<\/td>\n<td class=\"xl66\">\u226590dB<\/td>\n<\/tr>\n<tr height=\"19\" style=\"height: 14.4pt;\">\n<td height=\"19\" class=\"xl66\" style=\"height: 14.4pt;\">Power Supply<\/td>\n<td class=\"xl66\">230\/117Vac 50\/60Hz<\/td>\n<\/tr>\n<tr height=\"19\" style=\"height: 14.4pt;\">\n<td height=\"19\" class=\"xl66\" style=\"height: 14.4pt;\">Operating temperature<\/td>\n<td class=\"xl66\">0 -40\u00b0C<\/td>\n<\/tr>\n<tr height=\"19\" style=\"height: 14.4pt;\">\n<td height=\"19\" class=\"xl66\" style=\"height: 14.4pt;\">Input\/Output Connectors<\/td>\n<td class=\"xl66\">screw terminals\/terminal block<\/td>\n<\/tr>\n<tr height=\"19\" style=\"height: 14.4pt;\">\n<td height=\"19\" class=\"xl66\" style=\"height: 14.4pt;\">Power Consumption<\/td>\n<td class=\"xl66\">200VA<\/td>\n<\/tr>\n<tr height=\"19\" style=\"height: 14.4pt;\">\n<td height=\"19\" class=\"xl66\" style=\"height: 14.4pt;\">Dimensions (LxHxP)\u00a0 (mm)<\/td>\n<td class=\"xl66\">434&#215;88.5&#215;425 \u2013 2 rack units 19\u201d<\/td>\n<\/tr>\n<tr height=\"19\" style=\"height: 14.4pt;\">\n<td height=\"19\" class=\"xl66\" style=\"height: 14.4pt;\">Weight (Kg)<\/td>\n<td class=\"xl66\">10.35Kg (22.82lb)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p >This Proel boosters series has been engineered to satisfy as far as possible and in a flexible and professional way the market demand. Such range of booster applies to an operating precise criterion to ensure to the user high performance and reliability. This AUP Proel series allows to have 4 boosters in one sole cabinet reducing volume size of the installation configuration. Very important for big PA applications.<\/p>\n<p ><strong>Main features:<\/strong><\/p>\n<ul >\n<li> 4-8 ohm constant impedance output and 25\/70\/100 constant voltage<\/li>\n<li>Independent line signal Input\/output for 4 channels<\/li>\n<li>Main master control for each channel and in an independent way<\/li>\n<li>PA &#8211; HF filter rear insertion<\/li>\n<li>Ground lift rear selector<\/li>\n<li>Power supply rear selector 230V\/117Vca 50\/60Hz<\/li>\n<li>Low and high tone control<\/li>\n<li>Telephone input<\/li>\n<\/ul>\n","protected":false},"featured_media":18587,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[71,74,72],"product_tag":[],"class_list":["post-7276","product","type-product","status-publish","has-post-thumbnail","product_cat-amplifiers-en","product_cat-commercial-audio-en","product_cat-power-amplifiers-en","first","instock","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>250W FOUR CHANNELS POWER AMPLIFIER - Proel Commercial Audio<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/commercialaudio.proel.com\/en\/prodotto\/pa-aup4250s-250w-four-channels-power-amplifier\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"250W FOUR CHANNELS POWER AMPLIFIER - Proel Commercial Audio\" \/>\n<meta property=\"og:description\" content=\"This Proel boosters series has been engineered to satisfy as far as possible and in a flexible and professional way the market demand. Such range of booster applies to an operating precise criterion to ensure to the user high performance and reliability. This AUP Proel series allows to have 4 boosters in one sole cabinet reducing volume size of the installation configuration. Very important for big PA applications.Main features: 4-8 ohm constant impedance output and 25\/70\/100 constant voltage Independent line signal Input\/output for 4 channels Main master control for each channel and in an independent way PA - HF filter rear insertion Ground lift rear selector Power supply rear selector 230V\/117Vca 50\/60Hz Low and high tone control Telephone input\" \/>\n<meta property=\"og:url\" content=\"https:\/\/commercialaudio.proel.com\/en\/prodotto\/pa-aup4250s-250w-four-channels-power-amplifier\/\" \/>\n<meta property=\"og:site_name\" content=\"Proel Commercial Audio\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-30T02:03:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/commercialaudio.proel.com\/wp-content\/uploads\/2026\/02\/tmp_safe_99d5db2da3861c8b7b7e3ff370bd8a7a.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/commercialaudio.proel.com\\\/en\\\/prodotto\\\/pa-aup4250s-250w-four-channels-power-amplifier\\\/\",\"url\":\"https:\\\/\\\/commercialaudio.proel.com\\\/en\\\/prodotto\\\/pa-aup4250s-250w-four-channels-power-amplifier\\\/\",\"name\":\"250W FOUR CHANNELS POWER AMPLIFIER - 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