Transform your guitar into a classic organ from the ‘60s and beyond with the Electro Harmonix B9 Organ Machine Effects Pedal. With 9 presets that were finely tuned to emulate the most legendary organs from the ‘60s and beyond, the EHX B9 Organ Machine will transform your guitar or keyboard. Control the instrument’s signature percussive click and sweet modulation. Blend your dry signal to create lush layers. It has enough tonewheel and combo organ inspiration to light your fire and cook up some green onions. Transform the tone of a guitar or keyboard into that of a convincing full body, electric organ. It allows control over percussive attack level, modulation speed, organ and dry volume. The pedal is rugged and easy to use and comes with a power adapter. DRY VOLUME knob controls the output of the untreated level at the ORGAN OUTPUT Jack. ORGAN VOLUME knob controls the overall volume of the ORGAN preset. MOD knob controls the speed of modulation. The types of modulation available are vibrato, tremolo, and chorus. CLICK knob controls the percussive click level. It was designed to simulate the harmonic percussion effect on classic B3 and C3 organs. PRESET knobs lets you select a preset sound by turning the knob. ORGAN OUTPUT JACK organ outputs the mixed set by DRY and ORGAN control. DRY OUTPUT JACK outputs the signal present at the INPUT jack. The dry signal is outputted regardless if the signal is in EFFECT or BYPASS mode. INPUT JACK is the musical instrument input for plugging your instrument. The BYPASS footswitch lets you toggle the B9 between buffered BYPASS and EFFECT mode. The Status LED lights up when in effect mode.