Neutrik Np2x-au-silent 2 Pole Guitar Jack (no Pops Or Crackles On Live Insertion),Neutrik" /> 2 pole 1/4in professional jack plug, gold plated contacts, red rubber overlay, and silent switch Automatically mutes (shorts) a guitar cable to avoid annoying pops and squeals when hot swapping guitars The integrated silent switch is based on the REED technology and guarantees a lifetime beyond 10,000 mating cycles