
Price updated 25 Apr 2026, 11:00
Electro Harmonix Q-Tron Plus Envelope Filter
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£149.00
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Product Description
- Electro Harmonix Q-Tron Plus Envelope Filter
- 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.























