Behringer MicroHD HD400 Hum Eliminator

Behringer MicroHD HD400 - 2 Channel Hum Eliminator in Compact Form

Behringer MicroHD HD400 - 2 Channel Hum Eliminator in Compact Form

B&H # BEHD400 MFR # HD400
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Behringer MicroHD HD400 overview

  • 1Description

The MicroHD HD400 from Behringer is an ultra-compact two-channel hum eliminator that removes AC hum and noise quickly, easily and reliably.

Ground loops can be safely broken while the unit automatically converts unbalanced signals into balanced ones without any signal loss.

The HD400 can function as either a discrete two channel device or for stereo audio. The unit is a passive device and does not require an external power supply.

Eliminates AC hum
Allows for breaking ground loops in a safe manner
Converts back and forth between unbalanced and balanced signals
UPC: 736211577047
In the Box
Behringer MicroHD HD400 - 2 Channel Hum Eliminator in Compact Form
  • Limited 10-Year Warranty
  • Table of Contents
    • 1Description

    Behringer MicroHD HD400 specs

    Function 2-channel noise reduction and ground loop eliminator
    Inputs 2 x 1/4" TRS phone
    Outputs 2 x 1/4" TRS phone
    Frequency Response Not specified by manufacturer
    Distortion Not specified by manufacturer
    Crosstalk Not specified by manufacturer
    Dimensions (WxDxH) 4 1/16" x 2 1/4" x 1 1/4" (103.6 x 57.2 x 32 mm)
    Weight 0.36 lbs (180 g)
    Specialties Small visual profile
    Packaging Info
    Package Weight 0.5 lb
    Box Dimensions (LxWxH) 4.9 x 4.0 x 1.8"

    Behringer MicroHD HD400 reviews

    MicroHD HD400 Hum Eliminator is rated 4.9 out of 5 by 14.
    Rated 5 out of 5 by from Definitely Works I own a big production studio with many synthesizers even vintage ones which mostly given me the hum problems. The best thing about this is, you just plug it in and it knocks the hum out right away without losing sound quality from my synths. Nothing technical. Just make sure you have TRS cables for the ins & outs in order for this to really work. If your on a budget or not, this thing works regarless.
    Date published: 2011-12-01
    Rated 5 out of 5 by from Worked very well for our needs ! We needed a bad hum elimanted that was being caused between the audio out from video deck to the main audio system---no amount of ground lifts worked but this little box did the trick. We are buying 2 more for other areas where we have virtually unsolveable ground differences that are causing audio hums. Price / performance is unbeatable. One of the good pieces of gear from Behringer!
    Date published: 2008-02-12
    Rated 5 out of 5 by from Destroyed the HUM! I used this simple box in line between my roland UA-25EX USB interface and my monitors. I had bad line hum and the ground lift switch on the roland made no difference. The HD400 kills the hum...nuf said!
    Date published: 2011-04-07
    Rated 5 out of 5 by from pro-sound gear that works , truly a valu We are using this item because we find that playing in our band in poorly wired venues. There are ground noise in the facility. We now carry and use this device all the time. It corrects signaling and delivers the correct sound that we are truly looking for. Its compact size allows it to be placed in all of our configurations, giving us cutting edge quality. B&H HAS THE BEST PRICING ON THIS ITEM .... This savings allows us to spend our hard cash in other places....
    Date published: 2011-02-06
    Rated 5 out of 5 by from A clean low cost way to isolate A basic product with simple proven technology.
    Date published: 2009-12-01
    Rated 5 out of 5 by from Got the job done Hum's gone. Replaced by a clean signal. Even after passing it through a DI box, the signal being pulled from the chopped Hammond L100 pre-amp was giving off an annoying hum. No batteries required. Removing it from the blister pack was the most challenging part. After that, just plug it into your loop and you're good to go. In some applications, hum is inevitable. Especially when you're teaching old stuff to do new tricks. This works.
    Date published: 2015-05-15
    Rated 3 out of 5 by from Didn't really work for me This item did not clear up any hum in my lines at all. I have a bad ac hum, that I believe is caused by electrical dimmer light switches that run not to far from the shielded speaker cables I am using. With the eliminator in the line, I notice no difference. Perhaps this is not the right application for this device?
    Date published: 2012-02-15
    Rated 5 out of 5 by from Really Works I've always had trouble with humming in buzzing in my home studio. The combination of an older house and close proximity to a big radio tower probably had a lot to do with it. This simple little device has really done the trick to significantly reduce hum & buzz for both instruments (electric guitar/bass) and microphones. Great product.
    Date published: 2009-06-02
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