The Audio Cable Tester is designed to diagnose signal failures and verify connections across a wide range of cable types used in music, audio, data, and networking applications. Compatible with XLR, phone, phono, speakON®, DIN, Ethernet, 75-ohm BNC, and USB Type A to Type B cables, it helps users test and troubleshoot cable assemblies commonly found in recording studios, live sound systems, rehearsal spaces, and technical environments. The tester includes continuity testing with LED and audible feedback, supports multiple connector formats, and comes with removable test leads and a 9-volt battery for cable verification and maintenance tasks.