A compact version of the classic Q-Tron Envelope Filter
https://www.ehx.com/products/nano-q-tron/#more Module Detail PageThis offer was fetched from reverb.com. You cannot contact the seller via ModularGrid. You have to visit their site.
Look up onLike new Electro-Harmonix Nano Q-Tron Envelope Filter Guitar Effects Pedal. Works perfectly.Purchased a couple of weeks ago but decided to go with a multi-effects unit that has a similar effect. Includes Original box, and manual.Will ship USPS Priority Mail. Will only ship to the 48 contiguous states.A compact version of the classic Micro Q-Tron Envelope Controlled Filter known for its organic, analog sound and expressivity.Vol (Volume) knob which controls the pedal’s output volumeDrive Control adjusts its filter sweep sensitivity and how the pedal responds to the user’s playing dynamicsQ Control sets the peak bandwidth of the filter and determines how subtle or dramatic the effect will beLP BP HP Mode Switch controls what frequency range the filter will pass. LP (low pass) emphasizes the lows, BP (band pass) the midrange and HP (high pass) the highsPedalboard friendly, compact, rugged enclosureTrue Bypass switching

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