Lockable 4 pole speakON adapterLinks two NL2/4F*s together for cable extension. Changes gender to male when permanently locked on the cable. Features SpecificationsContents Features permanent secure connection on a speakON cable connector using 2nd lock Can be permanently attached to NL2/4F Integrated Design Authentic Neutrik Part PRODUCT Connector Type Speakon Gender male ELECTRICAL Contact resistance = = 3 mO (after lifetime) Dielectric strength 4 kVdc (peak) Insulation resistance > 1 GO (after dampheat) Rated current per contact 20 A Rated voltage 250 V (Insulation) MECHANICAL Lifetime > 5000 mating cycles Locking device Quick Lock MATERIAL Contact plating 4 µm Ag Contacts Bronze (CuSn6) Insert Polyamide (PA 6 30 % GR) Shell Polyamide (PA 6 30 % GR) ENVIRONMENTAL Flammability UL 94 V-0 Solderability Complies with IEC 68-2-20 Temperature range -30 °C to +80 °C (1) Neutrik NL4MMX Pole Lockable Coupler function openCity(evt, cityName){var i, tabcontent, tablinks;tabcontent=document.getElementsByClassName("tabcontent");for (i=0; i < tabcontent.length; i++){tabcontent[i].style.display="none";}tablinks=document.getElementsByClassName("tablinks");for (i=0; i < tablinks.length; i++){tablinks[i].className=tablinks[i].className.replace(" active", "");}document.getElementById(cityName).style.display="block";evt.currentTarget.className +=" active";}document.getElementById("defaultOpen").click();