Behringer CT200, DSP-controlled 8-in-1 cable tester, 3 Modes: Cable Tester, Installed Cable Tester and Test Sound Mode, Equipped with inputs and outputs for XLR, SpeakerTwist, 6.3 mm and 3.5 mm stereo jack, RCA, RJ45, MIDI and USB, LED display, Continuity testing and intermittent contact detection, Phantom power and ground test, Test tone generator: 1 kHz or 440 Hz at +4 dBu, -10 dBV or -50 dBV, Operation with 2 batteries AA (not included)