Sunset has an optional, variable-threshold noise reduction feature to tame hum, buzz, and system noise when you’re not playing. To use the noise reduction:
NOTE: The Noise Reduction setting can be saved independently for the Favorite preset and manual settings on Sunset. To do this, set the Noise Reduction level before saving your Favorite preset. Once your Favorite preset has been saved, change the Noise Reduction setting to work with your manual setting.