Behringer MicroHD HD400

$16.40 to $20.90 Price Tier: Budget

0 wishlisted

4 saved

Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 5 stores. Prices updated July 2, 2026.

Store

Reviews

Price

4.0 (19)

$20.90

View Deal

3.5 (6)

$20.90

View Deal

5.0 (2)

$20.90 2 available New

$100.00 1 available Used

View Deal

4.5 (841)

$16.60 $16.40 $0.20 · All time low

View Deal

£19.00

View Deal

Average Price: $36

Budget/Beginner

$119

$300+

Price Tier

In the Direct Boxes category, Behringer MicroHD HD400 is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

Budget

Standard

High-end

Price History

Based on price data from 3 merchants for "Behringer MicroHD HD400". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

^* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

Edit description

In the world of studio recording, unwanted noise can be a nemesis. Enter the Behringer MicroHD HD400, a 2-channel hum eliminator that stands as your sonic safeguard against AC hum and ground loops. This compact yet mighty device is designed to seamlessly clean up two mono signals or one stereo signal, making it a versatile companion for any audio setup. Whether you're a live sound engineer or a home studio enthusiast, the HD400 ensures that your sound remains pristine and unblemished by pesky interference.

One of the standout features of the HD400 is its ability to convert unbalanced signals to balanced ones, effortlessly maintaining signal integrity while doing so. Its completely passive design means you can say goodbye to cumbersome power supplies, providing you with a clean, efficient solution to sound clarity without additional power requirements. Ideal for integrating unbalanced equipment into a balanced audio system, this direct box simplifies your setup while elevating your audio quality.

Built with 1/4" TRS connections, the Behringer MicroHD HD400 is all about delivering professional-grade performance with minimal fuss. Whether you're on stage or in the studio, let this hum destroyer be your trusted ally in achieving the purest sound possible.

Key Features:

2-channel hum eliminator and direct box
Eliminates AC hum and noise from audio signals
Converts between unbalanced and balanced signals
1/4" TRS connections for versatile compatibility
Completely passive design, requiring no power supply
Ideal for using unbalanced equipment with balanced systems

Owner's manual

Behringer MicroHD HD400 User Manual

Product specs

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

FAQs

What is the primary function of the Behringer MicroHD HD400?: The Behringer MicroHD HD400 is designed to eliminate hum and noise from audio signals, making it ideal for studio and live sound applications where clean audio is essential.
How many channels does the Behringer MicroHD HD400 support?: The Behringer MicroHD HD400 supports two channels, allowing you to process stereo signals or two separate mono signals simultaneously.
What type of inputs and outputs does the Behringer MicroHD HD400 have?: The Behringer MicroHD HD400 features 2 x TRS inputs and 2 x TRS outputs, providing balanced connections for optimal signal integrity.
Can the Behringer MicroHD HD400 be used in a live sound setup?: Yes, the Behringer MicroHD HD400 is suitable for live sound setups as it effectively reduces hum and noise, ensuring clean audio transmission.
What are the dimensions of the Behringer MicroHD HD400?: The Behringer MicroHD HD400 measures 1.25 inches in height, 4.06 inches in width, and 2.25 inches in depth, making it compact and easy to integrate into any setup.

Videos

Add video

Mike Russell

Eliminate Hiss & Hum: Behringer MicroHD HD400 Hum Destroyer

Mike Russell

Wie funktionierts? Mit dem Behringer HD400 Brummschleifen entfernen Tutorial German

SunFinCol

Behringer MicroHD HD400 Review and Audio Test

JeffreySchmidtMusic

Behringer MicroHD HD400 Hum Destroyer Unboxing Behringer HD400 German

SunFinCol

Behringer HD400 hum destroyer, no more ground loops, ground hum, digital noise, 50/60hz hum

Fergie's Guitar stuff

Reviews

Add review

PROS

Effectively eliminates ground loop hum in various setups, including dual amp configurations
Compact and sturdy design, ideal for stationary studio use
Affordable solution for noise issues compared to pricier alternatives
Easy to integrate into existing setups, no power supply needed
Resolves specific GPU-related audio feedback issues
No significant tone loss in certain configurations
Durable metal chassis withstands minor impacts
Works well for both musical and gaming audio setups

CONS

Potential for tone and signal loss in some configurations
Not ideal for road use, may not withstand heavy touring
Lacks a ground lift feature, limiting its flexibility

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Behringer MicroHD HD400.

Features and functionality

0 0

The Behringer HD400 effectively eliminates ground loop noise, though some users sense a subtle reduction in the realism of sound.
Source
0 0

The HD400 is not just a ground lift; it utilizes a 1:1 isolation transformer to eliminate hum effectively.
Source
0 0

The HD400 can convert unbalanced input signals to balanced outputs, allowing flexibility in cable choice without losing functionality.
Source

User experience

0 0

Users without measurement tools report slight perceived audio differences, aligning with informal tests showing a 2 dB variance at specific frequencies.
Source
0 0

Users in countries with limited grounding, like Brazil, find the HD400 helpful in managing noise issues, even with prevalent two-prong plugs.
Source
0 0

Users starting with unbalanced 1/8" stereo connections can benefit from consumer preamps, which are generally more affordable than studio monitor controllers.
Source

Software and compatibility

0 0

Transitioning from a Mac to a PC setup may introduce ground loop issues, which the HD400 can resolve, but some users notice changes in audio perception.
Source

Setup and maintenance

0 0

Placing a buffer first in the signal chain can convert high to low impedance, potentially reducing noise in setups with passive guitar pickups.
Source
0 0

Using a hardware volume controller between the PC and speakers can maintain optimal audio levels, reducing noise by adjusting signal levels before amplification.
Source

Comparisons

0 0

A DI box with a ground lift might work for hum elimination, but results vary; trying both options is recommended.
Source
0 0

Active studio monitor controllers are recommended over passive ones to avoid added noise, especially in setups with very powerful monitors.
Source

Use cases and applications

0 0

The HD400 is particularly useful in setups where the noise persists even when the laptop is on battery power, suggesting electromagnetic interference.
Source
0 0

The HD400 is effective when paired with a studio monitor controller to manage powerful monitors, ensuring low noise floors in demanding setups.
Source