Check the listing for details. (2) Genuine NEUTRIK NP2X-AU-SILENT 1/4" Phone Plug Gold Contacts & Red Shell. Condition: New. Listed at 29.99 USD. (2) Two Genuine NEUTRIK NP2X-AU-SILENT 1/4" Phono Plug. Gold Contacts & Red ShellThe 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 squealsLifetime beyond 10'000 mating cyclesSleek attractive design for convenient handling and connectionsL-D versions available which accommodates cable O.D. up to 8 mmHermetically sealed switching contactsSlim plug with industry proven and reliable chuck type cable strain reliefRubber overlay on straight housing for best shock-protection and reliability FREE SHIPPING ONLY In the Lower 48 StatesMost Orders Placed Before 3PM and Paid thru' PayPal Are Shipped The Same Day; Monday to Friday