The Lucky Knuckle Adaptor Lead connects to the headphone socket on the SDC 2300, and features a short lead and standard ¼”/6.5m socket – allowing you to connect standard ¼” headphones or external boosters, to get the most performance from the SDC 2300. This lead features quality over-moulded connectors, and has been pre-fitted and tested for the Minelab SDC 2300.