NL4 Cable Tester with LED Readout

The NL-4 Sniffer/Sender field unit is an all-analog remote end cable tester specifically designed to test speaker cables for proper connections and 16 different issues. The sender unit is powered by a long-lasting car alarm battery and features four LED lights on the sniffer unit for instant results. A green light on all four LEDs indicates a good line. Our NL-4 Sniffer/Sender is built with high-quality materials and is covered by our lifetime Happy Human Warranty, ensuring its durability and reliability. The all-analog testing units are protected by a durable anodized aluminum tube, making them some of the most indestructible testers on the market. This two-piece set of analog cable testers is designed for identifying and testing faulty speaker cables, compatible with NL-4 SpeakOn connections. The 4-LED display provides instant diagnostics for 16 different issues, and comes with an LED color code sticker sheet for easy reference. The NL-4 Sniffer/Sender is compact and durable, machined from aluminum tubing with a matte finish. The sender unit is powered by a car alarm battery with a long-lasting life. Under our Happy Human Warranty, the NL4 Sniffer/Senders are backed by a lifetime warranty. We will replace your unit anytime, anywhere for any reason for life. If you’re not satisfied within the first year, you can return it for a full refund.

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