Pyle Hum Noise  Filter Eliminator Destroyer Stop Hum Noise with TRS Inputs and Outputs 2-Channel  For Guitar Pedals , Speakers Ac Adapter No More Hum  (PHE300) Removes AC Hum Noise - (2) 1/4-Inch TRS Inputs and Outputs for 2-Mono or 1 Stereo Signal Breaks Ground Loops Safely - Automatically Converts Unbalanced to Balanced Signal Without Any Signal Loss Maintains Highest Sonic Quality - High-Performance Ultra-Compact Design - High-Quality Components and Exceptionally Rugged Construction Please Note: Kindly refer the Instructional Video before use which is highly essential.