Heavy duty Neutrik Speakon NL4FX speaker connector, as used on many professional amplifiers and speaker boxes. Handles up to 30A current and the inline plug can accept up to 8mm cable diameter. Genuine Speak-On connector manufactured by Neutrik.
Attention: speakON is NOT to be used as an AC mains or power supply connector!
Electrical
Contact resistance: < 2 mΩ (inner) (after lifetime)
Dielectric strength: 4 kVdc (peak)
Insulation resistance: > 1 GΩ (after dampheat)
Rated current per contact: 40A rms continuous
Rated current per contact: 50A audio signal, duty cycle 50 %
Rated voltage: 250 V (Insulation)
Mechanical
Cable O.D.: 7 - 14.5 mm
Cable retention: ≥ 220 N (subject to cable O.D. and material)
Lifetime: > 5000 mating cycles
Wire size: 4 mm²
Wire size: 12 AWG
Wiring: screw type terminals
Locking device: Quick Lock (latch)
Material
Contact plating: 4 µm Ag
Contacts: Brass (CuZn39Pb3)
Insert: PBTP 20 % GR
Locking element: Zinc diecast (ZnAl4Cu1)
Shell: PBTP 20 % GR
Strain relief: Polyacetal (POM)
Environmental
Flammability: UL 94 HB
Solderability: Complies with IEC 68-2-20
Temperature range: -30 °C to +80 °C