The Neutrik 'Speakon' loudspeaker/amplifier connectors are robust, versatile, easy to assemble, and are used extensively by amplifier and loudspeaker NL2FX is 2 pole ideal use on 2 core speaker cable
 
2 Pin cable connector, chuck type strain relief
The industry-standard for loudspeaker connections offer extremely reliable and robust cable connectors with a reliable locking system. They feature solid contacts with screw-type terminals including a stranded wire protection which offer also solder termination.
Current rating 40 A continuous, 50 A audio signal with 50% duty cycle
Only 3 parts, easy to assemble
High impact materials – long-lasting and reliable
Easy and extremely precise locking system "Quick Lock"
1 piece strain relief, chuck for 6 to 10 mm cable O.D.
Improved grip on latch
Mates with 4-pole chassis connector as well and makes contact with +1/-1