This is a Vintage Electro-Harmonix Q Tron Envelope Filter pedal.
It is Fully Functional.
Whether you're looking for your Jerry Garcia...or Stevie Wonder, this Envelope Filter brings it.
GAIN-controls Input volume.
PEAK-controls the Primary Frequency.
RANGE-controls whether the Envelope Opens or Closes.
Mode-selects Low Pass - High Pass - Mix.
You can run Direct Out...Effect Out...or both.
(2) Toggle switches select:
Drive High or Low
Normal or Boost
Power Supply is Included
It sounds Awesome !!
