Jack Fitting Coupling: 3.5mm BKL Electronic
- BKL 72314, A 3.5mm mono jack socket with a normally-closed switch that opens when a jack plug is inserted. This type of socket is commonly used for headphones & power packs, etc., so that the action of plugging in the headphone or power pack disconnects the equipment's internal speaker or batteries. BKL 72314 Panel Mounting 3.5mm Mono Jack Socket with Switch