Cable tester 1.Connector types:XLR-3Pin,MID,RJ-45,S-Video, ... ,TACK 3.5mm,RCA,Speakon-8P&4P,1/4"JACK, 2.Colour:black Cable tester could be easily check the most common ... common cause of failure in live studio situations. The cable tester set a multi plug-in device. Convenient for user operation ... to use3. Test adapter cables and test "Y" cables Cable tester used by Musicians and sound engineers.