FEATURES

Controls: Mode, Response, Range, Peak, Gain, Boost.
Sweep Switch.
1/4" input and output, 1/4" effect loop
DC power input for battery replacement.
LED indicates whether effect is engaged or bypassed.
Second LED indicates signal overload.
24DC-100 power supply included

Electro-Harmonix XO Q-Tron Plus Envelope Filter

Electro-Harmonix' Q-Tron+ Envelope Filter pedal is the classic envelope follower with effects loop. Place your favorite effects between the preamp and filter section without changing the envelope drive. Be creative with the effects you plug into the FX loop and invent totally new sounds.

Super clean condition, works and sounds great.
$119.99 ON HOLD