This verstile envelop filter will give you unbelievably funky autowah effects.

The Electro-Harmonix XO Q-Tron is an envelope filter guitar effects pedal that has a switchable boost. The Q-Tron pedal's filter modes deliver an unlimited supply of n... read more

CHECK PRICE ON
Amazon logo
Reverb logo
Ebay logo
Electro-Harmonix Q-Tron
Amazon logo
Reverb logo
Ebay logo
Electro-Harmonix Q-Tron
CHECK PRICE ON
Amazon logo
Reverb logo
Ebay logo