1.0Fisher Audio Visualhttp://siteproofs.net/projects/nrth/fisheraudiovisualadminhttp://siteproofs.net/projects/nrth/fisheraudiovisual/author/admin/rich600338<blockquote class="wp-embedded-content"><a href="http://siteproofs.net/projects/nrth/fisheraudiovisual/equipment/telephone-balance-unit/">Telephone Balance Unit</a></blockquote> <script type='text/javascript'> <!--//--><![CDATA[//><!-- /*! This file is auto-generated */ !function(d,l){"use strict";var e=!1,n=!1;if(l.querySelector)if(d.addEventListener)e=!0;if(d.wp=d.wp||{},!d.wp.receiveEmbedMessage)if(d.wp.receiveEmbedMessage=function(e){var t=e.data;if(t)if(t.secret||t.message||t.value)if(!/[^a-zA-Z0-9]/.test(t.secret)){for(var r,i,a,s=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),c=0;c<n.length;c++)n[c].style.display="none";for(c=0;c<s.length;c++)if(r=s[c],e.source===r.contentWindow){if(r.removeAttribute("style"),"height"===t.message){if(1e3<(a=parseInt(t.value,10)))a=1e3;else if(~~a<200)a=200;r.height=a}if("link"===t.message)if(i=l.createElement("a"),a=l.createElement("a"),i.href=r.getAttribute("src"),a.href=t.value,o.test(a.protocol))if(a.host===i.host)if(l.activeElement===r)d.top.location.href=t.value}}},e)d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",t,!1),d.addEventListener("load",t,!1);function t(){if(!n){n=!0;for(var e,t,r=-1!==navigator.appVersion.indexOf("MSIE 10"),i=!!navigator.userAgent.match(/Trident.*rv:11\./),a=l.querySelectorAll("iframe.wp-embedded-content"),s=0;s<a.length;s++){if(!(e=a[s]).getAttribute("data-secret"))t=Math.random().toString(36).substr(2,10),e.src+="#?secret="+t,e.setAttribute("data-secret",t);if(r||i)(t=e.cloneNode(!0)).removeAttribute("security"),e.parentNode.replaceChild(t,e)}}}}(window,document); //--><!]]> </script><iframe sandbox="allow-scripts" security="restricted" src="http://siteproofs.net/projects/nrth/fisheraudiovisual/equipment/telephone-balance-unit/embed/" width="600" height="338" title="“Telephone Balance Unit” — Fisher Audio Visual" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe>http://siteproofs.net/projects/nrth/fisheraudiovisual/wp-content/uploads/2018/04/Sonifex-TBU-front.jpg20002000A telephone balance unit or telephone hybrid allows a PA system to be connected to a caller on a phone line. The person on the phone will be heard through the PA speakers, with them hearing the sound from the microphones, and anything else that goes through the PA system, without feedback. The unit will cancel out unwanted noise, facilitating a clear two-way conversation. Downloads (PDF) Telephone Balance Unit Sonifex HY03 User Manual Call 0800 0180 515 today or Click Here to learn more