{"version":"1.0","provider_name":"ETAC Service &amp; Supply Inc.","provider_url":"https:\/\/etac.ca\/es","title":"PC218 Phase Polarity Tester Checker Detector Speaker Microphone Sound Testing - ETAC Service &amp; Supply Inc.","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"EDJUeMs7EB\"><a href=\"https:\/\/etac.ca\/es\/item\/pc218-phase-polarity-tester-checker-dete-2\/\">PC218 Phase Polarity Tester Checker Detector Speaker Microphone Sound Testing<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/etac.ca\/es\/item\/pc218-phase-polarity-tester-checker-dete-2\/embed\/#?secret=EDJUeMs7EB\" width=\"600\" height=\"338\" title=\"\u00abPC218 Phase Polarity Tester Checker Detector Speaker Microphone Sound Testing\u00bb \u2014 ETAC Service &amp; Supply Inc.\" data-secret=\"EDJUeMs7EB\" 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:\/\/etac.ca\/wp-includes\/js\/wp-embed.min.js\n<\/script>","description":"Which is the necessary testing tools of sound engineering installation and commissioning. and can be used for the phase accuracy test of any Sound System. The system consists of two hand-held units, PC218-A pulse can produce their own sound signal and then output the sound signal of 1Hz 1 second through XLR for PC218-B to testing."}