Behringer HD400

690

2-Channel hum suppressor

Don't be fooled by the compact dimensions of this 2-channel hum suppressor, because as a powerful problem solver it should not be missing in any rack! This handy device quickly and reliably removes hum and noise. The HD400 automatically converts unbalanced signals into balanced signals. The unit has two 6.3mm stereo jack inputs and outputs for two mono signals or one stereo signal.

  • Simple, fast and reliable removal of mains hum and noise.
  • Safe and effective interruption of humming loops
  • Automatic conversion of unbalanced into balanced signals
  • Inputs: 2 Stereo jack sockets 6.3 mm
  • Outputs: 2 Jack sockets 6.3 mm (2x mono or 1x stereo)
  • Dimensions: 32 x 57.2 x 103.6 mm
  • Weight: 180 g
available since February 2006
Item number 188508
sales unit 1 piece(s)
Multi-Channel Unit Yes
Channels 2
Active / Passive Passive
19" No
Pad switchable No
Gnd/Lift switchable No
Powered by battery No
Speaker Simulation No
28 €
Including VAT; Excluding 19,90 € shipping
In stock
In stock

This item is in stock and can be dispatched immediately.

Standard Delivery Times
Delivery approx. between Thursday, 6.10. and Friday, 7.10.
1
l
Works like a charm
lerxtdude 26.05.2020
In my home recording setup I am using a laptop, connected via USB to an external sound card, which in turn is connected to a set of nearfield speakers. After upgrading my laptop I started experiencing disturbing noisy/crackling sounds on the speakers (but not on the headphones), even without audio playing.

As it turns out, this was caused by a ground loop, from both the laptop power supply and the nearfield speakers having grounded power cords.

After doing some online research I came across the Behringer HD400. It is now installed in-between the soundcard output and the nearfield speakers, and with this, the ground loop problem is completely eliminated. I am very pleased with this result.

The Behringer HD400 is compact, relatively cheap, and does exactly what it advertises: eliminate hum and break ground loops. The housing looks solid.

As always, the Thomann service was great, with prompt shipment and very fast delivery to the Netherlands.
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A studio saver!
tomatoKetchup 24.11.2017
Weirdly enough, there doesn't seem to be any other similar devices around. As always when I buy Behringer I am skeptical until I plug the thing in and see what comes out... I have to say for this little black box I couldn't be more delighted!

It just does what it says on the tin: my Moog Minitaur/Roland JU-06/JP-08, all usb-ed on my computer do not make any ground loop noise anymore. And, contrary to what I read on other reviews, I cannot hear any volume drop and the sound is absolutely not affected at all! On top of that the chassis is made of sturdy metal, and after dropping one a few times, there wasn't a scratch on it.

At that price it's just unbeatable... maybe that's why other companies don't even bother making their own versions!
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Eliminates GPU coil whine in speakers
robertiagar 02.04.2021
I bought this because I had massive coil whine in my PC Speaker caused by the GPU. After I introduced this between my PC DAC and my Speakers the coil whine went away. Solid 10/10, does the job and it's a pretty affordable solution.
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Beseitigt Brummen, aber auch jeglichen Bass
G3CD  23.01.2022
In meiner Verzweiflung, Ground Loops aus meinem System zu entfernen, hatte ich mir drei Stück vom HD400 gekauft - nach einem Dreivierteljahr aber in den Ruhestand geschickt, weil sie Bässe entweder komplett entfernten oder verzerrten. Ich verwende jetzt den Palmer PLI-05, der auch über einen Ground Lift verfügt (hat der HD400 nicht) sowie einen Furman PL-8 und ein Voodoo Lab Pedal Power 3 für eine saubere Stromversorgung.
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