New cables from TecNec Neutrik's Silent Phone Plug which automatically mutes (shorts) an instrument (guitar) under load. The integrated silent switch is based on REED-Technology and guarantess a lifetime beyond 10,000 mating cycles. Gold plated contacts. Designed with quad star mic cable with Silent plug on one end and black and gold NP2C-B on the other end. Black Cable Jacket. ATTENTION! Use only for instrument (guitar) applications. Connecting an amplifier output may blow your amp.