Neutrik speakon 2 pole loudspeaker connectors plugsocket neutrik nl2fx nl2fx 2 pole speakon cable connector chuck type strain relief from neutrik features solid contacts with screw type terminals including a stranded wire protection plus solder termination other features 250v voltage rating 40a rms continuous rated current 2 poles female gender 6 10mm cable diameter brass contact silver plating pbtp insert and shell material 5000 mating cycles long lasting and reliable easy