Electro-Harmonix Hum Debugger Hum Eliminator Pedal

Hum-eliminating Stompbox-style Pedal
4/5 39 Write review Item ID: HumDebugger
Electro-Harmonix Hum Debugger Hum Eliminator Pedal image 1
Electro-Harmonix Hum Debugger Hum Eliminator Pedal image 1
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Electro-Harmonix Hum Debugger Hum Eliminator Pedal
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This Noise Eliminator Won't Affect Your Tone!

Nothing spoils a show the way an incessantly noisy guitar does. Bad power, single-coil pickups, too many people in the club suffering from cell phone addictions — it all adds up, and the result can ruin your sound. Not anymore! Now, there's a way to fight unbearable noise and zap hum right out of your signal chain, with the incredible Hum Debugger from Electro-Harmonix. Better than noise gates that still let noise through with the rest of your signal, and far more accurate than mere noise suppressors that put a nasty dent in your high end, the Electro-Harmonix Hum Debugger obliterates hums and buzzes while leaving your tone intact!

Electro-Harmonix Hum Debugger Noise-eliminating Pedal Features at a Glance:

  • Eliminates hum from any audio source without corrupting your sound
  • 1/4" I/O ideal for guitar and bass
  • Compact, tough, stage-ready die-cast chassis
  • True bypass
  • 7.5AC-400 power supply included
The Electro-Harmonix Hum Debugger destroys noise before it ruins your show!

Additional Media

Single-coil Pickup Noise

Tech Specs

Pedal Type Hum Eliminator
Inputs 1 x Instrument
Outputs 1 x 1/4"
Height 2.05"
Width 3.64"
Depth 4.66"
Weight 0.55 lbs.
Power Supply Included Yes
Manufacturer Part Number HUMDEBUGGER

Customer Reviews

Based on 39 reviews
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Lifesaver For P90's

I recently purchased a Les Paul with P90 pickups, and as much as I love the guitar, the hum from the pickups was unbearable. I needed a solution. I did a lot of research before I bought this pedal - I watched every video and read every review that I could find, and needless to say, this pedal gets mixed reviews. I took a chance on the Hum Debugger because I saw that people using it for P90's posted positive reviews, and if it didn't work for me, I knew I could send it back no problem. I'm very happy to say that for my setup, - Les Paul with P90's, into an amp with clean sounds to mild overdrive, using the Normal setting - this pedal works flawlessly! And I am using it in a studio setting with NO perceptible difference in tone, except for the fact that all the horrible hum is GONE! Believe me, as a recording engineer, I am very critical when it comes to tone and audio in general and I would have sent this pedal back in a heartbeat. As stated by others, if you are using a dry, high gain sound with the pedal in Strong mode, you are going to get some artifacts, especially noticeable if you are doing a lot of palm muting metal chugging techniques. Those players may want to look at other solutions. Hope this is helpful.
Music background: Songwriter, Producer, Musician

must have pedal

Does exactly what it says, one click, no dials and no nonsense.
Music background: live sound

A Must-Have for the Working Guitarist

Guitarists put this box in your tool box. One of the most useful tools next to the stompbox tuner. Here's my experience with this box:I play at Buddy Guy's Legends in Chicago regularly and the building, including the stage, is encircled by a strong magnetic field, caused by a large transformer in the basement of an adjoining office building. This causes big problems for guitarists with single coil guitars, including Buddy, as he favors singlecoil guitars these days. So when the Hum Debugger came out, Legends bought a few - one for Buddy to use and also a few more for the booked bands to use. In fact, it is now required at Legends if you have non-hum cancelling single coil pickups on your guitar. I was skeptical at first but the Hum Debugger silenced my Airline Tuxedo beautifully, without any noticable tone/response change. Don't walk - Run and get one of these especially if you have a noisy single coil guitar
Music background: Pro guitarist

Amazing Noise Reduction

As the title of the review indicates, this pedal is amazing. I am always impressed by the quality of electro-harmonix pedals. To my ear, they seem to do what they are supposed to, and nothing else (in the best possible way). By this I mean that they provide the desired effect, but they do not alter or strip your guitar of tone. I was skeptical of this pedal would perform. My experience with noise reduction in the past has been that they have a tendency to deaden or muffle the tone when they are successfully removing noise, and when they do not mess with your tone, they are also not removing the unwanted hum. I play a single coil equipped strat through various tube amps. I generally like a sparkly, somewhat clean tone, and this tone is easy to lose when you put pedals in the signal chain. My practice room, the room in the house available for guitar related activities, also unfortunately has some sort of funky electrical issue which causes serious hum and noise when I play through single coils. It is bad. With this pedal, the single coil hum was totally gone, without any loss of tone or sparkle. I was blown away. If you play single coils, and value your tone, but hate extra noise, this is the pedal for you. It works, with no nasty side effects.
Music background: hobbyist


First a little background info so this will be s bit long. I'm a church musician so 90% of what I play is clean. I own really great gear. I own over a dozen guitars but my main setup is a Carvin CT6M guitar and an Egnater Renegade. I am constantly getting a loud hum from my amp. It's so bad,at times, my clean notes sound fizzy. Believe me,nothing ruins a pretty clean part like annoying buzzing mixed in with your notes. This happens with my other guitars too. I tried everything. High end cables, putting my effect into the input and not the loop, checking my effects one by one,using no pedals at all,I even changed pickups. Finally I took the amp home and checked the tubes in my tube tester. Changed some and plugged it in. Total silence. GOT IT BACK TO CHURCH AND LOUD HUM. So I went on a quest to find something to battle hum and I bought a few things, none of which worked. Of course my noise gate kills the hum when I'm not playing but it does nothing when I am. Then I came across the Hum Debugger. Did a load of research and I got one. I hooked it up fired the gear up and as usual a loud hum. put the debugger on normal stepped on it and the hum is gone. Just that simple. This thing works great. I've read a lot how it affects your tone. For all practical purposes, I hear no change in my clean tone other than no hum- no more. Can't wait to see how it does on my single coils. If you got hum, get one and you won't any more.
Music background: Church Musician and Home Recording

Sweetwater Advice

Charlie Davis

I've always loved single-coil guitars and use a fairly large pedal collection, which has always resulted in a good amount of buzz coming out of my amp. I used the electro-harmonix Hum Debugger last weekend at a gig, and it fixed everything! No hum, buzz, or tone alterations. Even with a fuzz pedal and the soapbars on my Jazzmaster, it was completely silent. If you play single-coil guitars, buy this pedal!
See also: EQ Pedals, Electro-Harmonix, Electro-Harmonix Compressors and EQ