1.0Sound System PROELhttps://soundsystems.proel.com/en/Sound System PROELhttps://soundsystems.proel.com/en/rich600338<blockquote class="wp-embedded-content" data-secret="6D26bvQ5rX"><a href="https://soundsystems.proel.com/en/prodotto/session1free-portable-battery-powered-column-system/">PORTABLE BATTERY POWERED COLUMN SYSTEM</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://soundsystems.proel.com/en/prodotto/session1free-portable-battery-powered-column-system/embed/#?secret=6D26bvQ5rX" width="600" height="338" title="“PORTABLE BATTERY POWERED COLUMN SYSTEM” — Sound System PROEL" data-secret="6D26bvQ5rX" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://soundsystems.proel.com/wp-includes/js/wp-embed.min.js </script> https://soundsystems.proel.com/wp-content/uploads/2026/02/tmp_safe_1b9e1866abc0b89f7abf80ceb763380c.jpg12001200SESSION1FREE is a portable column system featuring multiple inputs and a versatile MP3 player with BLUETOOTH connectivity. Hosted in lightweight yet ultra-durable polypropylene cabinets, it is composed by a column with four high-definition 2.5” full-range speakers and a powerful 8” sub-woofer. The state-of-the-art electronics includes a sophisticated pre-amp section with active filtering and dual CLIP LIMITERS, and a powerful 2-channel 400W Class D power amplifier. The built-in Li-ion battery provides up to 8 hours of mains-free continuous operation, for the maximum freedom of use.The built-in MEDIA PLAYER is able to play songs from an SD card or a USB MEMORY STICK, but also from your smartphone or your tablet thru a BLUETOOTH connection, without the need of any cable. The built-in 3-channel mixer allows to connect two microphone or line sources and a stereo player, each one with independent level controls. A digital EFFECT is also available for microphone inputs. With a simple knob is possible to optimize the sound for speech, music or low boost applications, adapting the system to any situation.SESSION1FREE can be used in a variety of applications, ranging from speech diffusion and music playback to live music and DJ sets.Active portable column systemColumn with four high-definition 2.5” full-range speakers8” long-excursion subwooferFast-linking system and integrated power connections to adjust the column to the desired height2-channel 400 W peak Class D power amplifier with SMPSSophisticated pre-amp section with active filtering and dual CLIP LIMITERSBuilt-in 3-channel mixer with MIC/LINE inputs and digital EFFECTSub level control (SPEECH/MUSIC/BOOST)USB/SD MEDIA PLAYER with BLUETOOTH audio interface with STEREO LINK functionBuilt-in Li-ion battery with up to 8 hours of of mains-free continuous operationSPL MAX: 108 dBFrequency response: 50 Hz - 18 kHzLightweight, compact and ultra-durable PP cabinetPadded bag for the 3-pcs column included