BEAAAM! is a guitar synth pedal that makes your guitar tone into an old game like sound.
Same octave note as you played and one octave down note sounds alternately.
It has 3 controls:
Gate (Left pot): tone control
Rate (Center pot): speed control of switching two octaves
Vol (Right pot): volume control
– 8 bit sound
A standard 9 volt DC power supply with a negative center 2.1mm barrel, no battery option