Professional 6-in-1 cable tester Make sure every cable in your arsenal is in good working order with the invaluable Cable Tester CT100. This incredibly portable audio solution is a must-have for sound engineers and musicians alike. The intelligent, CPU-controlled CT100 accepts virtually any connector type: XLR, mono and TRS phone ( 1 /4 ", 1 /8 ", TT), RCA and MIDI. It shows which input pin is connected to which output pin. Separate LED’s indicate proper shield connection and phantom power presence. The CT100 also offers an installed cable test mode and a continuity check plus a test tone generator. Key Features: Microprocessor-controlled cable tester featuring 3 modes: cable and installed cable test plus test tone mode Accepts all standard connectors: XLR, TRS (1/4", 1/8", TT), RCA and MIDI Super-easy operation with intuitive LED display Continuity check and intermittent contact detection Phantom-power and ground-shield check Test-tone generator: 1 kHz or 440 Hz at +4 dBu, -10 dBV or -50 dBV Belt clip included Operates with 2 AA size batteries (not included)