Behringer UO300 3-Mode Octaver Effects Pedal � Create a monster sound by adding 2 additional tones using your guitar-1 and 2 octaves below the original tone � This product has been designed to compete head to head with leading products on the market � Dedicated volume controls for all 3 tones for awesome sound shaping � Flexible 3-mode Range switch allows ultimate bass performance � Blue status LED for effect on/off and battery check � Runs on 9 V battery or the PSU-SB DC power supply (not included) � First-class electronic On/Off switch for highest signal integrity in bypass mode � High-quality components and exceptionally rugged construction ensure long life � Conceived and designed by Germany