(2) Two Genuine NEUTRIK NP2RX-AU-SILENT Right Angle 1/4" Plug. Gold Contacts & Red Shell The Silent PLUG 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 Silent PLUG features a rugged metal shell enhanced with a rubber cushion overlay for improved shock protection. Features & Benefits: Avoid pops and squeals Lifetime beyond 10'000 mating cycles Sleek attractive design for convenient handling and connections L-D versions available which accommodates cable O.D. up to 8 mm Hermetically sealed switching contacts Slim plug with industry proven and reliable chuck type cable strain relief Rubber overlay on straight housing for best shock-protection and reliability