Rocktron HUSH 2X Guitar Noise Reduction Pedal The same great HUSH signal cleanup is provided with up to 65dB of effective noise reduction for eliminating hiss, unwanted feedback and noise from pickups and stage lighting Two completely separate channels of HUSH noise reduction in a single small unit Total HUSH control both in front, and in the effects loop, of your amp Use one HUSH circuit before, and another after, a single pedal or with two different pedal chains on your pedal board/rack drawer Selector switches allow you to turn each HUSH circuit on or off