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Sound Tools - NL4 Sniffer/Sender Tester
Sound Tools - NL4 Sniffer/Sender Tester
Sound Tools - NL4 Sniffer/Sender Tester
Sound Tools - NL4 Sniffer/Sender Tester
Sound Tools - NL4 Sniffer/Sender Tester
Sound Tools - NL4 Sniffer/Sender Tester

Sound Tools - NL4 Sniffer/Sender Tester

by RAT Sound
Test Cables Anywhere
Fast, Clear Results
Built to Last
£183.00 - £183.00
£183.00
£183.00 - £183.00
£183.00

Next-day delivery available

Fast dispatch from our UK warehouse. Next working day delivery available on orders placed before 1pm Monday–Friday.

Trusted quality

Trusted brands used by professionals across the industry.

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The Sound Tools NL4 Sniffer/Sender Tester is a professional-grade, all-analog cable testing solution designed to quickly identify faults in NL4 (SpeakON) speaker cables, without needing both ends together. Built for live sound engineers and technicians, this two-piece system uses a sender and sniffer unit to diagnose up to 16 different cable issues via a simple 4-LED display. Housed in rugged anodised aluminium, it’s built for long-term reliability in demanding environments.

  • Remote-End Testing – Test cables in place without bringing both ends together
  • 4-LED Diagnostic Display – Instantly identify faults with clear visual feedback
  • Tests 16 Cable Conditions – Detects a wide range of wiring and connection issues
  • NL4 SpeakON Compatibility – Designed for standard Neutrik NL4 speaker connections
  • Durable Aluminium Build – Anodised housing with no moving parts for maximum durability
  • Battery Powered Sender Unit – Long-lasting power for reliable field use
  • Connection Type: NL4 (SpeakON compatible)
  • Testing Capability: Up to 16 fault conditions
  • Display: 4 x LED indicators (green = good connection)
  • Power Source: Battery-powered sender unit (car alarm battery type)
  • Construction: Anodised aluminium housing
  • Operation: All-analog (no digital components)
  • 1 × NL4 Sender Unit
  • 1 × NL4 Sniffer Unit
  • 1 × LED Reference Sticker (for interpreting light combinations)