Turn your guitar into a great sounding organ with the Electro Harmonix B9 organ machine pedal. Fast and flawless tracking, 9 presets of the most popular and classic electric organ tones including: Fat and Full, Jazz, Gospel, Classic Rock, Bottom End, Octaves, Cathedral, Continental and Bell Organ. Controls include organ and dry volume, modulation speed and click (percussive attack) level. The B9 pedal also sounds great for a keyboard needing a great organ tone. Rugged and easy to use. Includes 9.6 DC power supply.