Overview

The all-new Neutrik NL4FXX-W-S 4-pole speakon connector replaces the NL4FX. The Neutrik NL4FXX-W-S 4-pole speakON cable connector has a screw terminal assembly and chuck type strain relief for cable diameters 6 to 12 mm.

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

Attention: speakON is NOT to be used as an AC mains or power supply connector!

Features

• Up to 37 A rms current rating
• Unique Neutrik locking bushing and strain relief for cable diameters 6 mm to 12 mm
• IEC 61984 certified, thus accepted as a component of equipment acc. to IEC 62368-1
• Superior NEUTRIK quality standard, extremely robust and reliable
• Easy to assemble because the strain relief locks with the insert mechanically and aligns with the housing
• Easy and reliable twist lock system
• Ergonomic design with slip-proof two-component molded housing
• Improved kink protection by two-component bushing

4 Pin Speakon^® Wiring Details


SpeakOn^® or Lockable Speaker Connectors can be wired up in a variety of ways for different applications. Two positive and two negative pins are provided allowing two channels of audio to be passed via a single connector. In single channel applications only +1 and -1 will be connected.

Specifications

Electrical

• Contact resistance ? 2 m?
• Dielectric strength 2.8 kVac
• Insulation resistance > 10 G? (initially)
• Number of electrical contacts 4
• Rating Europe IEC 61984: 37 A 250 V AC
• Rating USA UL1977: 35 A 250 V AC
• Rating Canada CSA C22.2 No.182.3: 24 A 250 V AC

Mechanical

• Cable O.D. 6 – 12 mm
• Lifetime typically 5000 mating cycles
• Wiresize (mm²) 1.5 – 4 mm²
• Wiresize (AWG) 17 – 11 AWG
• Locking device Twist lock
• Termination screw type terminals

Material

• Contact plating Ag
• Contacts Copper Alloy
• Insert Polyamide (PA6.6)
• Locking element Zinc diecast
• Shell Polyamide (PA6) / TPE
• Strain relief Polyketone
• Bushing Polypropylene / TPE

Environmental

• Temperature range -33 °C to +80 °C
• Protection class IP20
• Flammability acc. to UL94 V-0