Pricing and availability
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Price
Average Price: $155
High-end/Boutique
$75
$151+
Price Tier
Budget
Standard
High-end
Price History
Based on price data from 6 merchants for "Electro-Harmonix Hum Debugger". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Introducing the Electro-Harmonix Hum Debugger, a life-saver for every guitarist tired of the dreadful humming sound ruining their perfect melody. Unlike common noise gates that simply suppress, this little marvel eradicates hum completely, maintaining the integrity of your audio source. This isn't just a suppressor or gate, it's an absolute silence-enhancer that's designed to keep your audience engaged with your music, not distracted by unwanted noise.
Compact and stage-ready, this pedal can easily fit into your gear without taking up valuable space. It features a green LED light to indicate when it's engaged, so you'll always know when it's hard at work. More than just a simple noise eliminator, the Hum Debugger is a true game-changer in the music industry. Say goodbye to the frustration of incessant guitar noise, bad power, single-coil pickup humming, or even cell phone interference.
Key Features:
- Completely eliminates hum from any audio source, preserving the original sound.
- Compact and stage-ready, fits easily into your gear set.
- Green LED light indicates when the device is engaged.
- Functions better than a noise gate or suppressor, offering absolute silence.
- Easy to use with 1/4" I/O, ideal for guitar and bass.
- Comes with a 7.5AC-400 power supply.
- Features a durable, die-cast chassis that is ready for any stage or studio conditions.
- True bypass allows your signal to pass through unhindered when the effect is disengaged.
Owner's manual
Electro-Harmonix Hum Debugger User ManualProduct specs
| Pedal Type | Hum Eliminator |
| Inputs | 1 x Instrument |
| Outputs | 1 x 1/4" |
| Power Source | 7V AC power supply (included) |
| Height | 2.05" |
| Width | 3.64" |
| Depth | 4.66" |
| Weight | 0.55 lbs. |
FAQs
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How does the Electro-Harmonix Hum Debugger eliminate hum?
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The Electro-Harmonix Hum Debugger uses two modes, NORMAL and STRONG, to remove hum from your signal. NORMAL mode eliminates odd harmonics, while STRONG mode removes both odd and even harmonics, resulting in a cleaner sound.
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Is the Electro-Harmonix Hum Debugger a noise gate?
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No, the Electro-Harmonix Hum Debugger is not a noise gate. It is specifically designed to extract hum from your signal, leaving the rest of your tone intact without gating or suppressing other noise.
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Where should I place the Hum Debugger in my pedal chain?
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It is recommended to place the Hum Debugger at the beginning of your effects chain to effectively eliminate hum before it passes through other pedals.
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What power supply does the Electro-Harmonix Hum Debugger require?
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The Electro-Harmonix Hum Debugger requires a 7V AC power supply, which is included with the pedal.
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Can the Hum Debugger be used with bass guitars?
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Yes, the Electro-Harmonix Hum Debugger can be used with bass guitars to effectively eliminate hum from your signal.
Videos
EHX
Electro-Harmonix Hum Debugger Hum Eliminator Pedal (Demo by Dave Weiner)
Electro-Harmonix Hum Debugger Hum Eliminator Pedal (Demo by Dave Weiner)
EHX
Electro-Harmonix Hum Debugger Hum Eliminator Pedal (Demo by Bill Ruppert)
EHX
Electro-Harmonix Hum Debugger demo
Ketil Strand
Electro-Harmonix Hum Debugger Demo - Guitar Hum Eliminator Pedal for Noisy Single Coil Pickups
Chris Holland Guitar
HumDebugger by Electro Harmonix.
greatvanzini (GVTV)
Electro-Harmonix Hum Debugger
JeezyMcNuggles
Reviews
PROS
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Eliminates hum without affecting natural tone or sustain
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Transparent sound quality, doesn’t color tone
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Effective on single coil pickups and high drive settings
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Offers immediate silence with a single kick
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Works in environments with poor wiring or electrical interference
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Does not require pedal daisy-chaining, ensuring dedicated power
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Suitable for both live and studio settings
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Enhances playability of guitars seldom used due to noise
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Simple to use with no fine-tuning required
CONS
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Requires its own power supply, cannot be daisy-chained
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Some users report a slight nasal effect or loss of top-end
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May add a subtle reverb or metallic texture when used with certain effects
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Exterior design considered cheap-looking for its price
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Can subtly impact the sound, noticeable in quiet or studio settings
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Harmonix Hum Debugger.
Features and functionality
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The Hum Debugger effectively removes 99% of unwanted hum without altering the guitar's tone.
Source -
The Hum Debugger is most effective when placed as the first pedal in the signal chain to address hum from wiring issues.
Source -
The TC Electronic Sentry's built-in loop allows it to clean up amp noise effectively when used in an effects loop setup.
Source -
Some users have experienced a quirk where the Hum Debugger needs its DC cable unplugged and replugged to function properly after powering on.
Source
User experience
Comparisons
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Alternatives like Ilitch noise cancelling systems and active pickups such as Fishman and EMG offer noiseless solutions without tone alteration.
Source -
The ISP Decimator II G String is highly praised for not affecting tone, though it's considered expensive compared to other noise suppressors.
Source -
The TC Electronic Sentry offers extensive customization options, including a 3-band gate and TonePrint app for downloading pro presets.
Source
Setup and maintenance
Value and pricing
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Users suggest considering power supply upgrades to isolated models like Voodoo Labs for better noise management.
Source
Use cases and applications
Critic Reviews
4.5 out of 5
Based on 4 Reviews and 15 Ratings
125
Perfect noise reduction pedal for 60 cycle hum
This pedal is one of the greatest investments that I have ever made. This pedal gets rid of the 60hz hum perfectly. I use this while I play my tele and my strat, and I have zero problems with any hum coming FROM THE GUITAR. That is what this pedal is made for. This not meant to reduce noise coming from the gain off the amp. This is meant to get rid of hum from the guitar, and it does the job perfectly. I would recommend this pedal to anyone who is looking to reduce noise in their rig.
462
Essential for single coil
I really recommend it for single coil. In an environment with some electronic equipments / screens / electric issues, it's welcome to have this kind of filter that remove background noise. Change a little bit the sound of my fuzz, placed after (add some little bright metallic texture). So I use the Hum Debugger only when necessary.
111
Buzz-be-gone.
I play at many venues with terrible electrical grounding, so it's gotten to the point where Iv'e Velcro'd this to the back of my amp. Sucks a bit of tone, but it sucks ALL the hum.
Can't live without it
You love single coils, you hate hum, you want to preserve your sound: Always on pedal by default.
Artist usage
Add artist
In this photo of Alex Turner's pedalboard, his Electro-Harmonix XO Hum Debugger Hum Eliminator Guitar Effects Pedal can be seen on the right side.
The Electro-Harmonix Hum Debugger can be confirmed as part of Thom Yorke's pedalboard setup, as it is clearly visible in the provided image.
St. Vincent's Hum Debugger can be seen at the end of her signal chain in this set of live rig photos from 2012.
at 0:20 , at the beginning of the video, you can see the Hum Debugger
At 10:49: In the middle of the picture at the left end of the pedals there's the EHX Hum Debugger.
On the 2023 CBS Sunday Morning feature, they include a clear shot of Chris Stapleton’s pedalboard at 0:44, which includes the Electro-Harmonix Hum Debugger.
Seen in this video at 2:44. Steve doesn't talk about it, but you can clearly see it.
In this Premier Guitar article of the Rig Rundown this pedal is discussed and visible in the picture of the pedal board.
In this photograph of Alec O'Haley's pedalboard, taken at the Alvvays concert in Paris on 2 July 2024, we can see an Electro-Harmonix Hum Debugger pedal.
In the Reverb article "Illustrated and Explained: Angel Olsen's Pedal," Angel Olsen is noted for using the Electro-Harmonix Hum Debugger among her guitar effects.
"That all runs through an Electro-Harmonix Hum Debugger, but I've come to notice recently that it delays the signal by like a millisecond and creates this really weird slap-back effect..."
On Mattson's rig rundown, EHX Hum Debugger can be seen in the upper right corner of pedalboard.
Album Usage
The Electro-Harmonix Hum Debugger has been featured on the following albums:
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 Hum Debugger, it is most commonly used with the following gear.
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