Pricing and availability
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Price
Average Price: $103
Standard/Professional
$70
$251+
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Budget
Standard
High-end
Price History
Based on price data from 6 merchants for "Electro-Harmonix Nano Q-Tron". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Introducing the Electro-Harmonix Nano Q-Tron, a compact powerhouse bringing the iconic envelope filter effect to your pedalboard. This versatile pedal is the offspring of Electro-Harmonix's deep-rooted heritage in envelope-controlled filter pedals, dating back to the 1970s. Just as comfortable on guitar, bass, keys, or horns, the Nano Q-Tron is not just your ordinary filter pedal.
The Nano Q-Tron responds to your playing dynamics, creating unique tone-altering effects that range from subtle auto-wahs to ultra-funky sweeps. Whether you're looking to add a touch of quirkiness to your solos or experiment with new soundscapes, this pedal is a sonic playground for the adventurous musician.
Key Features:
- Envelope filter effect for a broad range of instruments
- 3 switchable modes: low-pass, band-pass, and high-pass
- Controls: Drive, Vol, Mode, Q
- Q-control determines the peak bandwidth of the filter
- Drive control adjusts filter sweep sensitivity
- LED for effect on/off indication
- True bypass footswitch
- Input/Output: Standard 6.3 mm jack
- Power supply: 9V battery or 9V DC mains adapter (not included)
- Compact, rugged enclosure for pedalboard-friendly setup
- Interactive play style response for dynamic sound shaping
- Heritage from the 1970s line of Electro-Harmonix envelope filters for authentic sound
Owner's manual
Electro-Harmonix Nano Q-Tron User ManualProduct specs
| Pedal Type | Envelope Controlled Filter |
| Analog/Digital | Analog |
| Inputs | 1 x 1/4" (instrument) |
| Outputs | 1 x 1/4" |
| Switches | Filter Mode Rotary Switch (LP/BP/HP) |
| Controls | Drive |
| Adjustable Q | Yes |
| True Bypass | Yes |
| Power Source | 9V DC power supply (sold separately) |
| Power Usage | 10mA |
| Batteries | 1 x 9V (included) |
| Height | 2.1" |
| Width | 2.75" |
| Depth | 4.5" |
FAQs
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What type of power supply does the Electro-Harmonix Nano Q-Tron require?
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The Electro-Harmonix Nano Q-Tron requires a 9V DC power supply with a center-negative plug. It consumes 10mA of power.
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Does the Electro-Harmonix Nano Q-Tron work well with bass guitars?
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Yes, the Electro-Harmonix Nano Q-Tron is suitable for bass guitars, offering dynamic envelope filter effects that enhance bass tones.
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What are the filter modes available on the Electro-Harmonix Nano Q-Tron?
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The Electro-Harmonix Nano Q-Tron features three filter modes: Low Pass, Band Pass, and High Pass, allowing for diverse sound shaping options.
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Is the Electro-Harmonix Nano Q-Tron true bypass?
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Yes, the Electro-Harmonix Nano Q-Tron is equipped with true bypass, ensuring your guitar's tone remains unaffected when the pedal is not engaged.
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What does the adjustable Q control do on the Electro-Harmonix Nano Q-Tron?
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The adjustable Q control on the Electro-Harmonix Nano Q-Tron allows you to modify the bandwidth of the filter, affecting the intensity and character of the effect.
Videos
EHX
Electro-Harmonix Nano Q-Tron Envelope Filter Pedal (EHX Demo by TOM BURDA)
Electro-Harmonix Nano Q-Tron Envelope Filter Pedal (EHX Demo by TOM BURDA)
EHX
EHX Nano Q-Tron VS Nano Bassballs | Bass Guitar
Obrad Lacarac
Tone Tailors-Electro Harmonix Nano Q-Tron
Tone Tailors Guitar Shop
The Nano Q-Tron Envelope Controlled Filter by Electro-Harmonix - The Shakedown Sound Series
PJ and the Beard
7 USEFUL Tips for the EHX Nano Q-Tron
Andrew Siemon
Test EHX Nano Q-Tron Filter
TooNyTooN
How to Use the EHX Nano Q-Tron Envelope Filter
Andrew Siemon
Reviews
PROS
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Easy to dial in, user-friendly design
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Compatible with both acoustic and electric guitars
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Emulates Jerry Garcia tone closely
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Compact size fits well on pedalboards
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Volume control addresses previous models' volume boost issue
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Versatile across multiple instruments, including keyboards and bass
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Offers unique filter effects: high-pass, mid-pass, and low-pass
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Controls for tone shaping (Q and Drive) are effective
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Provides distinct, organic effect
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Can produce a wide range of sounds from tone shaping to major quacks
CONS
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BP and HP modes described as practically unusable for bass
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Some users find it difficult to tame
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Described by one as a bit of a one-trick pony
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Comparative review indicates it might be replaced by higher-end models
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Harmonix Nano Q-Tron.
Setup and maintenance
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Using a compressor after the Nano Q-Tron smooths volume peaks, especially when highs become too piercing or lows too quiet.
Source
Comparisons
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Owners find the Nano Q-Tron easier to use than the Q-Tron Plus, though the latter is noted to sound better.
Source -
The Nano Q-Tron is intended as a smaller version of the Micro Q-Tron, not the Q-Tron Plus, lacking some features like the up/down switch found in the Plus.
Source -
Users highlight a distinction between the Nano Q-Tron and the DOD 440, noting the former offers a rounder and milder envelope compared to the sharper, faster response of the 440.
Source -
The EQD Spatial Delivery offers a Random Sample/Hold feature and a Down trigger on the envelope, unlike the Nano Q-Tron.
Source -
EHX Nano Q-Tron has dedicated HP/BP/LP filter options, while EQD provides a full sweep Filter pot for all options.
Source -
The Keeley Neutrino was mentioned as a middle ground between the Nano Q-Tron and EQD in terms of price and features.
Source
Use cases and applications
Features and functionality
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Running the pedal before a compressor retains touch sensitivity, while placing it after reduces the sweep, useful for controlling vowel-like sounds.
Source -
The Nano Q-Tron includes a volume pot, which is a new addition compared to previous models and beneficial for better control in smaller enclosures.
Source -
Nano Q-Tron is noted for its distinct "round/rubber" sound, appealing to those seeking that specific tonal quality.
Source
User experience
Critic Reviews
4.5 out of 5
Based on 4 Reviews and 6 Ratings
7007
A Step Up from EH's Micro Q-Tron
Yes! It truly is.
The reason is the additional "Volume" control knob. This single difference helps remove the "ice pick" in your ears that the Micro Q-Tron can produce. Every other control is the same.
If you're looking for classic funk or Jerry Garcia tones, this is the pedal that you absolutely MUST have.
It's built here in the U.S.A. and is solid. It works great with both guitars and basses.
7007
A Step Up from EH's Micro Q-Tron
Yes! It truly is.
The reason is the additional "Volume" control knob. This single difference helps remove the "ice pick" in your ears that the Micro Q-Tron can produce. Every other control is the same.
If you're looking for classic funk or Jerry Garcia tones, this is the pedal that you absolutely MUST have.
It's built here in the U.S.A. and is solid. It works great with both guitars and basses.
193
Veeeeeeeeeery good
Love that sound. It jobs better with humbucking in the bridge, and it is sharper in solos than rhytmic
20021
Artist usage
Add artist
In the Premier Guitar Rig Rundown video titled "Jack White Rig Rundown Guitar Gear Tour at Third Man Records Nashville," Jack White confirms that he uses the Electro-Harmonix Nano Q-Tron filter pedal as part of his pedalboard setup. The pedal is painted black, as per the aesthetic of the setup. This detail is corroborated during a comprehensive tour of White's gear by Premier Guitar's John Bohlinger, with insights provided by White's technician and collaborator, Dan Mancini.
Electro-Harmonix Nano Q-Tron is in his pedalboard in this post (Live at Wembley in 2025)
In the video "The Used’s Jepha - GEAR MASTERS Ep. 573" by Digital Tour Bus, Jeph Howard, bassist of The Used, showcases his pedalboard, which includes the Electro-Harmonix Nano Q-Tron pedal, describing its use for "funky stuff."
Michael Lee Firkins includes the Electro-Harmonix Nano Q-Tron in his pedalboard setup, as shown in a photo shared on his Instagram account.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Electro-Harmonix Nano Q-Tron, it is most commonly used with the following gear.
Community setups
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