Neutrik NP2X-AU-SILENT-2 pole 1/4" professional phone plug, gold plated contacts, red rubber overlay, silent switch The silentPLUG automatically mutes (shorts) an instrument (guitar) cable to avoid pops and squeals when changing the instrument (guitar) under load. The integrated silent switch is based on REED-technology and guarantees a lifetime beyond 10 '000 mating cycles. The new PX silentPLUG features a rugged metal shell enhanced with a rubber cushion overlay for improved shock protection.Features & BenefitsAvoid pops and squealsHermetically sealed switching contactsLifetime beyond 10'000 mating cyclesSlim plug with industry proven and reliable chuck type cable strain reliefSleek attractive design for convenient handling and connectionsRubber overlay on straight housing for best shock-protection and reliabilityL-D versions available which accommodates cable O.D. up to 8 mmATTENTION!For use with instrument (guitar) applications only. Damage may occur if connected to amplifier output.Please note that the signal isn't muted with some types of active electric guitars which are equipped with tip-ring-sleeve jacks that tap to activate the guitar power supply.