This connector fully complies with the IEC 62368-1 device standard, due to its component certification according to IEC 61984. 4-pole chassis connector, size D flange in black color, holes for self-tapping screws (type A screw), mounting horizontal PCB. speakON panel mount connectors are the standard chassis connectors for speaker/amplifier interconnections. They feature a unique metal locking system, establishing contact only when completely locked. speakON receptacles are robust, versatile and easy to terminate.