Panel-mount version of 3-pole phone jack that provides stable and secure connections where accidental disconnection 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. The jack has a standard D size front panel appearance and offers selectable grounding options (standard isolated, to get a sleeve/panel connection red isolator on lateral screw must be removed). Dimensionally, the jack is compatible with Neutrik D Series (31 x 26 mm).