Electro-Harmonix Q-Tron+ — Envelope Controlled Filter

Made in the USA

The Q-Tron+ is EHX's flagship envelope filter, delivering funky, auto-wah style sweeps that respond dynamically to your playing. Beyond the classic LP/BP/HP filter modes, the Q-Tron+ adds an external effects loop with a Response switch, letting you place drive or fuzz pedals inside the envelope loop for wild, synth-like textures. With independent Range, Peak, and Gain controls plus a built-in Boost, this is one of the deepest and most flexible funk/filter pedals EHX has ever made. This example includes the original box, power supply, and manual.

• Brand: Electro-Harmonix
• Model: Q-Tron+ (Envelope Controlled Filter)
• Controls: Mode, Response, Range, Peak, Gain, Boost
• Switch: Sweep direction (up/down)
• Features: FX Send/Return loop, Overload LED
• Power: 24V DC power supply included
• Condition: Excellent, includes original box, power supply, and manual

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