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Based on price data from 3 merchants for "Behringer HD400 Micro Hum Destroyer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
In the world of live music and recording, unwanted noise can be a true showstopper. Enter the Behringer HD400 Micro Hum Destroyer, your ultimate ally against AC hum and ground loops. This compact, two-channel wonder effortlessly tackles noise from two separate sources, ensuring your audio remains as pristine as your performance. Whether you're switching between a guitar and a keyboard on stage or managing multiple inputs in the studio, the HD400 delivers a seamless and noise-free experience.
Thanks to its passive design, the HD400 requires no additional power supply, making it an ideal travel companion for musicians on the go. The unit's ability to convert unbalanced signals into balanced ones ensures compatibility across various audio systems, elevating your sound without any additional circuitry getting in the way.
The HD400's strength lies in its simplicity and effectiveness. It not only breaks ground loops but also eliminates the hum that often creeps in from AC systems. With its 1/4" TRS connections, you can rest easy knowing your audio is safe from buzz and interference, allowing your true sound to shine through unadulterated.
Key Features:
- Two-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
Product specs
| Brand | Behringer |
| Model | MicroHD HD400 2-Channel Hum Destroyer |
| Finish | Standard |
| Year | 2007 - 2025 |
| Made In | China |
| Categories | DI Boxes |
FAQs
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How does the Behringer HD400 Micro Hum Destroyer eliminate hum?
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The Behringer HD400 uses isolation transformers to break ground loops, effectively eliminating hum and buzz from audio signals caused by AC sources.
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Can the Behringer HD400 be used with both balanced and unbalanced connections?
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Yes, the Behringer HD400 is designed to work with both balanced and unbalanced 1/4" TRS connections, making it versatile for various audio setups.
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Does the Behringer HD400 require a power supply to operate?
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No, the Behringer HD400 does not require a power supply as it operates passively, which adds to its convenience and ease of use.
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Is the Behringer HD400 suitable for live performances?
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Yes, the compact design and effective hum elimination make the Behringer HD400 suitable for live performances, ensuring a clean audio signal on stage.
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How many channels does the Behringer HD400 support?
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The Behringer HD400 supports two channels, allowing you to eliminate hum from two separate audio sources simultaneously.
Videos
Mike Russell
Eliminate Hiss & Hum: Behringer MicroHD HD400 Hum Destroyer
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Behringer HD400 Micro Hum Destroyer.
Features and functionality
Setup and maintenance
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Users recommend using balanced cables from the HD400 to other devices for optimal noise reduction, while unbalanced cables can be used for input without major issues.
Source -
Integrating a hardware volume knob like a "studio monitor controller" can help manage volume and reduce noise when used between a PC and speakers.
Source
Use cases and applications
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The HD400 is particularly beneficial in setups where amplified speakers are directly controlled by the computer's software volume, helping to manage noise levels.
Source
Comparisons
4.5 out of 5
Based on 3 Reviews and 6 Ratings
838
Am I doing something wrong?
In my experience, depending on the placement in signal chain it either do nothing or reduces noise level by cutting high end frequences from the signal
41026
so like the ebtech hum eliminator its also a sound eliminator?
838
For me it is a sound eliminator. But everybody keep saying there is no loss of signal
530
Amazing little product
Plugged in the cables and then there was silence! Oh wonder of it all! And why are these not built into every set of studio monitors on the planet!
Genre Usage
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