Neutrik NLT4MX Speakon STX 4 Pole Male Cable Connector Metal Housing

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    Neutrik NLT4MX Speakon STX 4 Pole Male Cable Connector Metal Housing

    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.

    Neutrik NLT4MX Features:

    • 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 6 mm² (AWG10) wires
    • Mate with all available Speakon products.

    Neutrik NLT4MX Specifications:

    • Connector Type: Speakon
    • Gender: Male


    • Contact resistance:
    • Dielectric strength: 4 kVdc (peak)
    • Insulation resistance: >10 GΩ (after dampheat)
    • Rated current per contact: 40A RMS continuous
    • Rated current per contact: 50A audiosignal, duty cycle 50%
    • Rated voltage: 250V (Insulation)
    • Attention: SpeakON is NOT to be used as an AC mains connector


    • Cable O.D.: 9-16 mm
    • Cable retention force: ≥220 N (subject to cable O.D. and material)
    • Lifetime: >5,000 mating cycles
    • Wire size: 6 mm²
    • Wire size: 10 AWG
    • Wiring: Solder contacts
    • Locking device: Quick lock (latch)


    • Bushing: Polyamide (PA 6 15% GR)
    • Contact plating: 4 µm Ag
    • Contacts: Spring copper (CuSn0.2)
    • 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.



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