NJ3FP6C is a unified D-size version of the inline locking jack receptacle, NJ3FC6C. Wire it either as a standard (unbalanced) guitar / keyboard jack, or run it as a stereo headphone socket (or TRS balanced mono, should your signal chain require). It can be front or rear mounted, for the exact look you’re chasing in either a studio or live sound rack. NJ3FP6C works equally well in on of our custom PL series wall plates to suit standard GPO sized mounting blocks. Locking 1/4″ phone jack, D-size shell, nickel metal housing and silver contacts The 3 pole phone jack panel mount version provides stable and secure connections where accidental disconnect or shock and vibration may occur. It latches with standard A-gauge mono or stereo plugs. Plug locks-in automatically when mating and unlocks only by pressing red release tab. Standard D size front panel appearance.