4 pole speakON connector screw terminal assembly chuck type strain relief for cable diameters 6 to 12mm. Neutrik speakON connectors are the industry-standard for loudspeaker connections. This product series offers extremely reliable and robust cable connectors with a proven twist lock system. speakON cable connectors feature solid contacts with screw-type terminals including a stranded wire protection. Manufacturers part code: NL4FXX-W-S Mates with 4-Pole chassis connectors Ergonomic design with slip-proof two-component moulded housing Up to 37A rms current rating Unique Neutrik locking bushing and strain relief for cable diameters 6mm to 12mm IEC 61984 certified thus accepted as a component of equipment acc. to IEC 62368-1 Superior NEUTRIK quality standard extremely robust and reliable Easy and reliable twist lock system Easy to assemble because the strain relief locks with the insert mechanically and aligns with the housing Improved kink protection by two-component bushing