Neutrik NLT4FX 4 Pole Female Cable Connector


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SKU: NEUNLT4FX Categories: ,

Neutrik NLT4FX 4 pole female cable connector, nickel housing, chuck type strain relief

The new STX Series is the next generation of 4 pole Speakon connectors especially designed for amplifier-loudspeaker applications in harsh and demanding environments such as professional touring. The extremely rugged and durable STX Series feature an all metal housing and a built-in gasket providing weatherproof protection to IP54. The 4 pole version is now available as 4 gender system including male cable and female chassis connector.

Features & Benefits:

Current rating 40 Amp continuous, 50 Amp audio with 50% duty cycle

Robust and durable all metal housing

Sealing ring provides weatherproof IP54 rating

Reinforced metal quick lock system for ease and precise locking

Extra large solder contacts for up to 6mm(2) (AWG10) wires

Mate with all available Speakon products



Connector Type: Speakon

Gender: female


Contact resistance: 10 GΩ (after dampheat)

Rated current per contact: 40 A rms continuous

Rated current per contact: 50 A audiosignal, duty cycle 50 %

Rated voltage: 250 V (Insulation)


Cable O.D.: 9 – 16 mm

Cable retention force: ≥ 220 N (subject to cable O.D. and material)

Lifetime: > 5000 mating cycles

Wire size: 6 mm(2)

Wire size: 10 AWG

Wiring: Solder Contacts

Locking device: Quick Lock (latch)


Bushing: Polyamide (PA 6 15% GR)

Contact plating: 4 m Ag

Contacts: Brass (CuZn39Pb3)

Insert: Polyamide (PA 6 30 % GR)

Locking element: Zinc diecast (ZnAl4Cu1)

Shell: Zinc diecast (ZnAl4Cu1)

Strain relief: Polyacetal (POM)


Approvals: UL,cUL

Flammability: UL 94 HB

Protection class: IP 54 (mated condition)

Solderability: Complies with IEC 68-2-20

Temperature range: -30 C to +80 C



Additional information

Weight .3 lbs
Dimensions 3 × 1 × 1 in

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