Roland Electronic Drum Accessory (NE-1) Highly effective sound isolation for V-Drums V-Kick pads and hi-hat stands used with various V-Hi-Hat models Use an NE-1 under each leg of a kick pad and hi-hat stand in a V-Drums set; for maximum effectiveness, use along with companion NE-10 Noise Eater units (sold separately) placed under kick and hi-hat pedals Reduces playing noise and vibration transfer through the floor to rooms below by approximately 75 percent, based on Roland test data Lets users enjoy playing V-Drums without disturbing family members and neighbors Ideal for drummers that live in multi-level homes, apartments, and condos; also great for multi-level lesson studios and music classrooms