{"version":"1.0","provider_name":"Sound System PROEL","provider_url":"https:\/\/soundsystems.proel.com\/en\/","author_name":"Sound System PROEL","author_url":"https:\/\/soundsystems.proel.com\/en\/","title":"Vented passive sub-woofer - Sound System PROEL","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"dfO5GcMGcF\"><a href=\"https:\/\/soundsystems.proel.com\/en\/prodotto\/sw118p-vented-passive-sub-woofer\/\">Vented passive sub-woofer<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/soundsystems.proel.com\/en\/prodotto\/sw118p-vented-passive-sub-woofer\/embed\/#?secret=dfO5GcMGcF\" width=\"600\" height=\"338\" title=\"&#8220;Vented passive sub-woofer&#8221; &#8212; Sound System PROEL\" data-secret=\"dfO5GcMGcF\" 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:\/\/soundsystems.proel.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/soundsystems.proel.com\/wp-content\/uploads\/2026\/02\/tmp_safe_26bbf16414a2531193f202b0eac01e84.jpg","thumbnail_width":1200,"thumbnail_height":1200,"description":"The SW Series is a range of sub-woofers designed to complement PROEL full-range passive or active speakers. The variety of size, power and SPL offered by the five SW models provides the perfect low extension solution for any speaker model available in the PROEL range. All the SW models feature large VC woofers and band-pass or vented design, which provide very \u2018punchy\u2019, dynamic lows together with an extended low frequency response. The cabinets are built with 15\/18mm plywood and feature 2 or 3 metal handles and sturdy 75mm wheels for an easy transport. 18\u201d woofer with 3\u201d VC for a deep and extended response 500 W AES power handling SPL 1w\/1m 98 dB Frequency response 36 Hz - 140 Hz (not filtered) Plywood cabinet with two metal handles and four 75mm wheels"}