The specially modified circuitry that adds an octave overtone to the fundamental fuzz effect. This gives the unique edge heard on many of Jimi's solos.

Features:

• • Two external control knobs; one controls volume, while the other controls tone.
  • The red LED indicates when the unit is on.
  • Powered by the Dunlop ECB-003 and/or 9 volt battery.
  • 4-1/4" x 2-1/4" x 1-1/4"
  • 1.0 lbs.
  • Black