Electro-Harmonix Q-Tron Envelope Filter Pedal

Electro-Harmonix Q-Tron Envelope Filter Pedal

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Time to Get Funky!

Add filter effects to your guitar or bass rig that can only be described as "funky", with the Electro-Harmonix Q-Tron envelope filter! Just choose from highpass, band-pass, and lowpass filters, dial in the sweep direction, range, and filter resonance to taste, and get ready for some seriously groovin' auto-wah effects. Q-Tron's wide-ranging controls give you access to everything from subtle filter modulations to synthesizer-like sweeps. So add the Electro-Harmonix Q-Tron envelope filter pedal to your rig for a new way to groove!

Suited for guitar or bass
The envelope filter effect has just as much vibe when used on rhythm guitar as it does on bass. Thankfully, Electro-Harmonix made the Q-Tron for both! It's perfect for funky bass grooves, wild rhythm guitar effects, or even for adding extra impact to a solo without having to work a wah pedal. No matter what instrument you choose, the Q-Tron's flexible control set makes it easy to dial in a great sound.

Flexible range switch
The Q-Tron's range switch lets you focus the effect on either high or low frequencies. On low frequencies, the Q-Tron emphasizes vowel-like sounds close to the fundamental notes you're playing. On high frequencies, Q-Tron focuses on the overtones of your signal, for a bright sound that cuts through the mix.

Dependable ehx quality
Over the years, Electro-Harmonix has created some of the most beloved - and longest lasting - effects pedals for guitar and bass. The Q-Tron's all-metal construction can take the abuse of any long road tour. And no matter how brutal you are on your pedals, the Q-Tron's robust switches and knobs make sure you always get dependable performance from the Q-Tron.


  • Envelope filter effects pedal for guitar and bass
  • Switchable boost control adds gain to your signal before it hits the filter stage for a bigger sound
  • Selectable up/down filter sweep direction gives you access to two distinct effects
  • Four filter modes including lowpass, bandpass, highpass, and mix (bandpass blended with your dry signal)
  • Very touch responsive - the intensity of the effect is determined by how hard you play
  • Power supply included

Add some groovy style to your sound with the Electro-Harmonix Q-Tron envelope filter pedal!


  • Pedal Type: Filter
  • Inputs: 1 x Instrument
  • Outputs: 1 x 1/4"
  • Power Supply Included: Yes
  • Dimensions in inches: 4.75 (w) x 5.75 (l) x 2.5 (h)

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