MX Cable tester Supports the most common cable types in the sound recording industry. Affordable, Easy Way to Ensure Your Cables Are Working Properly The MX 3863 gives you a simple and easy way to make sure your audio cables are working properly. The unit supports some of the most used cable types used in the sound recording industry, providing you with an all-in-one solution to help identify cable continuity issues in your audio set-up, that way you can resolve any problems before important events. LED Indicator Shows You Which Pins Are Working With just a turn of the dial you can test if each pin on your cable is working properly. The LED panel features 6 indicators that let you know if your cable has full continuity and which pins are functioning or broken. That way you can repair any broken pins or purchase a new cable while you still have time. Rugged and Durable Design Built in a strong, compact metal casing, the tester is made to last, and is a great long-term solution to help keep your audio set-up running smoothly. Front panel includes test dial and LED indicators. Powered by 9 volt battery (not included). With support for the most common cable types in the sound recording industry, the tester is your go-to for making sure your next performance goes off without a hitch. Cables that can be tested is 3.5mm TRS Jack 1/4” TRS Jacks 3 Pin XLR Male 3 Pin XLR Female RCA Jack 4 Pin Speakon Banana Plugs, Powercon Cables, RJ-45 Cables (Cat-5 Cables), USB Cables (A-B), Micro USB Cables, 1/8? Aux Cables (TS/TRS), Banana Cables.