Enables quick and convenient continuity cable testing for all types of audio cables. Features continuity test function (buzzer and LED indication). Suited for the following connectors and their combinations: 6.3mm jack, 3.5mm jack, XLR 3P (M/F), XLR 5P (M/F), phono / RCA, banana plug, Speakon 8P, Speakon 4P, DIN 3P / 5P / 7P / 8P, 5-pin mini DIN. LEDs confirm each conductor connection. 9-way switch for selecting connections to be tested. Battery check function. Rugged, compact, metal construction for ultimate roadworthiness, long life and reliability.