Boss NS-2 Noise Suppressor PedalEliminate unwanted noise and hum from your guitar or bass rig without altering your tone with the NS 2 Noise Suppressor Pedal from BOSS. Use the Threshold and Decay knobs to shape the suppression envelope to fit your playing style. It's an ideal piece for noisy pedalboards that are packed with effects, or for players that love using high gain guitar sounds, but hate the noise that comes with them. Features Compact noise suppression pedal for