These model EP-4 connectors are female gendered connectors featuring metal construction and locking tabs for security. Used industry wide as speaker cable connectors. Featured on systems from Meyer Sound, Showco, EAW, Clair Brothers, Electro-voice, JBL, McCauley and many others. These all-metal EP-4 connectors are locking 4 pole units. These used connectors are cut offs and will need to have internal wire ends and solder cleaned. Sold in lots of 4.