Features4-pole Neutrik Speakon connectorIdeal for repair or construction of your own speaker leads4 terminals for bi-wired and dual cabinet systems1-piece strain relief, chuck for 7 to 14.5mm cable outside diameterThis 4-pole connector (NL4FX) mates with 4-pole male connector (NL4MP)Positive keying and latchingThe industry-standard for loudspeaker connections offer extremely reliable and robust cable connectors with a reliable locking system. The ProSound Speakon Connector 4 Pin Copper Contacts Fast Lock features solid contacts with screw-type terminals including stranded wire protection which offer also solder termination.