Behringer MicroHD HD400 2-channel Hum Destroyer

2-channel Hum Eliminator and Direct Box
Behringer MicroHD HD400 2-channel Hum Destroyer image 1
Behringer MicroHD HD400 2-channel Hum Destroyer image 1
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Behringer MicroHD HD400 2-channel Hum Destroyer
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Remove Noise from Your Signal

Say goodbye to noisy AC hum and ground loops, with the Behringer HD400 Hum Destroyer. This two-channel solution lets you clean up two mono signals or one stereo signal, and even convert between unbalanced and balanced signals too. Live sound engineers at Sweetwater have managed countless live shows, and we know that you can never have too many problem solvers in your toolbox. When you find yourself with a noisy audio signal due to AC noise or ground loops, you'll be glad you have the Behringer HD400 Hum Destroyer.

Behringer HD400 Hum Destroyer Features at a Glance:
  • 2-channel hum eliminator and direct box
  • Removes hum caused by AC power or ground loops
  • Converts between unbalanced and balanced signals, with 1/4" TRS connections
  • Completely passive design requires no power supply
  • Perfect for using unbalanced equipment with a balanced audio system
No more hum with the Behringer HD400 Hum Destroyer!

Tech Specs

Type DI/Hum eliminator
Channels 2
Inputs 2 x TRS
Outputs 2 x TRS
Height 1.25"
Depth 2.25"
Width 4.06"
Weight 0.4 lbs.
Manufacturer Part Number HD400

Customer Reviews

Based on 3 reviews
Write your review

Works Great

We had a bad AC hum when plugging up a laptop to our projector and sound system. We put the HD400 in line and instantly the hum went away. Quick, easy, and cheap fix to our ground loop problem.

It works

I had buzzing from acoustic guitar pedal to PA and it cleaned it up perfectly. Easy as it gets.

It works, but.....

This unit is made of very light gauge metal and the connectors are of very low quality. If you plug/unplug cables into this frequently you will eventually end up with intermittent connections. It does eliminate hum at times but other times it actually boosts it (?) I have Behringer processing gear that has served me very well for many years through many gigs without issues but this is absolutely NOT a good buy. Save up and buy the Ebtech model.
Music background: Active, gigging, Bassist- Live Sound Engineer
See also: Direct Input Boxes, Behringer, Behringer Direct Boxes