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Electro-Harmonix Q-Tron Envelope Filter Pedal

Use this pedal for it's awesome auto-wah effects or take your playing into George Clinton territory. It also features a switchable Boost and Filter Mix mode. (14) Read 1 review for this product | Rate and review this product
Ships to: Can ship to United States
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Electro-Harmonix Q-Tron Plus Envelope Filter Pedal

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EHX Q-Tron Envelope Filter Pedal

The Electro-Harmonix Q-Tron - the phattest, funkiest envelope filter ever made! Features like switchable Boost and Filter Mix mode allow for an unlimited supply of auto-wah effects that drip with attitude. Increased frequency response and improved signal-to-noise ratio make the Q-Tron perfect for use with any instrument. Bootsy Collins and George Clinton already have theirs. How about you?

Check out the Micro Q-Tron in this video demo from Electro-Harmonix:


zZounds is an authorized dealer of Electro-Harmonix products.
- True bypass

- Selectable low pass, band pass and high pass filters

- Resonant peak control to adjust the filter's Q from subtle to dramatic

- Hi and lo frequency response modes

- Adjustable gain knob and boost switch

- Sweep direction switch for up or down filter sweeps

- Tough and compact die-cast chassis

- 24DC-100 power supply included
If you have additional warranty questions, please contact the manufacturer at 718-937-8300
Customer Reviews
5 out of 5 (14 ratings) Rate and Review This Product
zZounds has verified that this customer bought this product from us. "Liquid-Gooey-Q-Tron with funky warts on the side"
Sound: Sounds Very Funky! However it took a while to find the "Right Sound" as this pedal is very sensitive. Patience will be rewarded. At the moment it is the only effect that I am using. Keep in mind that no two envelope filters are created alike. For instance, the sound I get out of the QTron is worlds away from what I get out of my Mutron III+, another excellent effect. Feature: 4 knobs and 2 switches to toggle to your heart's content. For those of us with active electronics this is a must as the Qtron is very sensitive to our electronics. Ease of Use: ...Again, patience. You're not going to take it out of the box, plug in, and sound immediately like Bootsy. Take your time. Quality: Well, it is somewhat rigid, however I would want to drop it either. It's certainly not built like an MXR pedal which is what I would assign a 10. Value: I bought mine used for a fraction of the cost. It could/should be a bit cheaper... Manufacturer Support: Nope. Not yet at least. The Wow Factor: Not the best filter on the market - but close. I like it and I don't anticipate selling it and shelving it.
Style of Music: Exclusively FUNK
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Available on
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Need it now but short of cash? All we need is the first payment up front and the rest in easy monthly payments!

Fast approval.
We approve everyone, with very few exceptions, as long as we can verify your identity.
No interest. Ever.
It's just as if you paid the whole amount up front!
No paperwork. Nothing to track.
No application to mail or fax, no bills to pay. We automatically charge the payments to your credit card.

We'll wait on your money so you don't have to wait for your gear!

When you checkout, just click the Play as you Pay checkbox to indicate which installment plan you wish to use.

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no minimum

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Why fight traffic and pushy salesmen when we'll bring your gear straight to your home, free of charge?

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No hidden charges or hassles on returns.
Fast, reliable delivery
We have warehouses on both coasts, so most shipments arrive in 3 days or less.
We don't collect sales tax. Bonus!
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