{"version":"1.0","provider_name":"Proel Commercial Audio","provider_url":"https:\/\/commercialaudio.proel.com\/en\/","author_name":"Proel Commercial Audio","author_url":"https:\/\/commercialaudio.proel.com\/en\/","title":"250W FOUR CHANNELS POWER AMPLIFIER - Proel Commercial Audio","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"vg1hmXEb0u\"><a href=\"https:\/\/commercialaudio.proel.com\/en\/prodotto\/pa-aup4250s-250w-four-channels-power-amplifier\/\">250W FOUR CHANNELS POWER AMPLIFIER<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/commercialaudio.proel.com\/en\/prodotto\/pa-aup4250s-250w-four-channels-power-amplifier\/embed\/#?secret=vg1hmXEb0u\" width=\"600\" height=\"338\" title=\"&#8220;250W FOUR CHANNELS POWER AMPLIFIER&#8221; &#8212; Proel Commercial Audio\" data-secret=\"vg1hmXEb0u\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/commercialaudio.proel.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/commercialaudio.proel.com\/wp-content\/uploads\/2026\/02\/tmp_safe_99d5db2da3861c8b7b7e3ff370bd8a7a.jpg","thumbnail_width":1200,"thumbnail_height":1200,"description":"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"}