Electro Harmonix Q-Tron Plus B-Stock

B-Stock with Full Warranty
Return that may have slight traces of use.

Effect Pedal for Electric Guitar and Electric Bass

Envelope Filter
Like the Q-Tron, but with an effects loop and attack response switch
Selectable low-pass, band-pass and high-pass filters
Resonant Peak controls the quality of the filter
Switchable high- and low-frequency sweep ranges
Sweep direction switch for up or down filter sweeps
Controls: Peak, Gain
Rotary switch: Filter Mode LP/BP/HP/Mix
Response Fast/Slow
Boost On/Off
Switch: Sweep Up/Down
LED: Effect on
Footswitch: Effect bypass
Connectors: Input (6.3 mm jack), output (6.3 mm jack), FX send & return (2x 6.3 mm jack)
Power supply connection: Barrel connector, 5.5 x 2.1 mm, centre negative
Power consumption: 35 mA
Power supply with a 24 V DC mains adapter (included)
True bypass
Dimensions: (W x D x H): 146 x 121 x 64 mm

Note: Battery operation is not supported.