Neutrik NL4FXX-W-S (NL4FX) - Speakon Plug 4-pole

Neutrik NL4Fx
4-pole 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.

Electrical    
Contact resistance     ≤ 3 mΩ (after lifetime)
Dielectric strength     4 kVdc (peak)
Insulation resistance     > 1 GΩ (after dampheat)
Rated current per contact     30 A rms continuous
Rated current per contact     40 A audiosignal, duty cycle 50 %
Rated voltage     250 V ac
Attention     speakON is NOT to be used as an AC mains or power supply connector!
Mechanical    
Cable O.D.     6 - 12 mm
Cable retention     ≥ 220 N (subject to cable O.D. and material)
Lifetime     > 5000 mating cycles
Wiresize     4 mm²
Wiresize     11 AWG / 4 mm2
Wiring     screw type terminals or soldering
Locking device     Quick Lock (latch)
Material    
Contact plating     4 µm Ag
Contacts     Brass (CuZn39Pb3)
Insert     PBTP 20 % GR
Locking element     Zinc diecast (ZnAl4Cu1)
Shell     Polyamide (PA 6 30 % GR)
Strain relief     Polyacetal (POM)