Behringer CT100 Professional 6-in-1 Instrument Cable Tester & Compact Mini Hum Eliminator Box - 2 Channel Passive Ground Loop Isolator, Noise Filter, AC Buzz Destroyer, Hum Killer w/ 1/4" TRS Phone

Product 1: Microprocessor-controlled cable tester featuring 3 modes: cable and installed cable test plus test tone mode Product 1: Accepts all standard connectors: XLR, TRS (1/4", 1/8", TT), RCA and MIDI Product 1: Super-easy operation with intuitive LED display Product 1: Continuity check and intermittent contact detection Product 2: Removes AC noise: The Pyle hum eliminator removes 60Hz AC hum caused by ground loops that act like Radio antennae (loop antenna). breaks the ground loop safely making it impossible for the signal lines to pick up the AC noise in the first place Product 2: Passive device: The noise isolator is a passive device which does not require power to operate. Equipped w/ ¼” TRS phone and XLR inputs and outputs on 2 channels. Automatically converts unbalanced to balanced signal without any signal loss Product 2: Compact design: This noise filter device features a high performance Ultra compact and portable design allowing you to easily bring it anywhere. It has high quality components and rugged construction while maintaining the highest sonic quality Product 2: 1:1 ISOLATION TRANSFORMERS: The 1:1 isolation transformer is responsible for breaking the ground loop or the loop antenna that prevents buzz for a clear sound. Also responsible for balancing audio lines. Device accepts mono or stereo connections