What is that hum?! Eliminate that annoying hum produced by sound systems by adding the Electro Harmonix Hum Debugger hum eliminator pedal to your pedal board. A switch changes the settings from normal to strong, and the simple tap controls let you engage the hum eliminator while you're in the middle of a performance. Features True bypass Absolutely eliminates hum from any audio source Tough, compact die-cast chassis 7.5 AC-400 power supply included Video: https://youtu.be/OTxDMgwer2MProduct Specs Item Number: 19026 Make: Electro Harmonix Model: Hum Debugger Condition: Brand New Finish: Green Categories: effects-and-pedals ⇒ noise-and-reduction-gates ⇒ pedal Function: Utility Made In: United States MPN: 690/HUMDBG UPC: 683274010625 Modular Grid: Pedals ⓘ + Dimensions*: 102 mm wide 121 mm high Power*: ? mA / ? V AC/DC * User contributed details