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Behringer MicroHD HD400 Hum Eliminator

Item #69646
(2 Reviews)
List Price: $37.99
You Save: USD$13.00 (34% Off)
Only 2 Left in Stock

Behringer MicroHD HD400 Hum Eliminator

The HD400 is the ultra-affordable way to quickly and easily clean up your act! Whether you’re recording or performing, it’s important to keep AC hum out of the mix. No matter the quality of the venue’s wiring, the MICROHD HD400 Hum Destroyer eliminates AC hum quickly and reliably.

Mighty Hum Hunter

The HD400 features two channels allowing you to eliminate hum in two mono signals or one stereo signal. Placing the HD400 in-line between your stereo mixer and power amps for a squeaky-clean sound free of AC hum. It breaks ground loops safely while maintaining the highest sound quality. It can even convert your unbalanced signals into balanced without any signal degradation.

Hum Killer of a Deal

The incredibly-handy MICROHD HD400 is small enough to ride to the gig in your pocket, but really big when it comes to cleaning up your sound.


  • Removes AC hum and noise - fast, easy and reliable
  • Breaks ground loops safely, while keeping highest sonic quality
  • Automatically converts unbalanced to balanced signals without any signal loss
  • Two 1/4' TRS inputs and outputs for 2 mono or 1 stereo signal
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany

Return Policy – Click for details

Product Videos
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Browse 3 questions Browse 3 questions and 4 answers
Buzz/hum when using laptop for DJ. When power is unplugged from laptop, buzz/ hum goes away but battery does not last that long. Which eliminator would would work best.
Dj Man on Sep 4, 2011
BEST ANSWER: That seems to be a laptop tech problems.
Would this work between an Akai Amx Mixer and 2 active speakers? So mixer into this box and box out to active powered speakers...
Matt T on Feb 21, 2016
BEST ANSWER: From an audio standpoint, all the inputs and outputs would work, but you would have to convert your output from RCA to 1/4" (inputs on the MicroHD HD400 Hum Eliminator are 1/4"). However, I would want to point out that if you are currently experiencing hum, it may be because of the unbalanced outputs (RCA). Meaning, it is difficult to say if this would solve the problem without knowing more about your particular set up.
Where in your system would this be put? Before amp or after amp before speakers?
null on Feb 7, 2011
Behringer HD400 Reviews
3.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Works Perfectly
Pros: Excellent Sound,Easy To Use

We use these whenever connecting Notebooks to our mixers. There remove any ground loop noise and are very easy to use.
June 2, 2015
1 year ago
Didn't Work In my Application
Pros: Easy To Use
Cons: Poor Quality Sound

I tried this product between our mixer and drive rack to eliminate a slight hum. This product caused a greater hum in our system.
June 15, 2015
1 year ago
Behringer HD400 Product Manual
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