Pricing and availability

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Average Price: $26

Budget/Beginner

$100

$301+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 1 merchant for "Millenium HA 4". Prices shown reflect NEW condition. Tracking began Apr 25, 2026.

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Description

Elevate your audio experience with the Millenium HA 4, a versatile stereo headphone amplifier designed for musicians and audio enthusiasts alike. Whether you're in the studio or sharing your latest tracks with friends, this device ensures every listener gets the sound quality they deserve.

The Millenium HA 4 features four independent channels, each equipped with its own volume control. This means you can tailor the listening experience for up to four different users simultaneously without compromising on sound clarity. The single 6.3 mm stereo input ensures you can connect seamlessly to your audio source, while the four 6.3 mm stereo outputs allow multiple headphones to plug in effortlessly.

This model is compact yet robust, making it an ideal addition to any setup without taking up too much space. Plus, it comes with a 12 V power supply, so you're ready to go right out of the box. Whether you're mixing tracks, monitoring recordings, or simply enjoying your favorite tunes, the Millenium HA 4 promises to deliver exceptional sound every time.

Key Features:

  • 4-channel stereo headphone amplifier
  • Separate volume control for each channel
  • 1 input with 6.3 mm stereo jack
  • 4 outputs with 6.3 mm stereo jacks
  • Includes 12 V power supply

Product specs

Available since February 2007
Number of stereo channels 4
Output Level Adjustment Per Channel Yes
Amount Of Inputs 1
Rack format No

FAQs

How many headphones can the Millenium HA 4 power simultaneously?

The Millenium HA 4 can power up to four pairs of headphones at the same time, thanks to its four stereo channels.

Can I adjust the volume for each headphone output on the Millenium HA 4?

Yes, the Millenium HA 4 allows for individual output level adjustment for each of its four channels.

Does the Millenium HA 4 require a rack for installation?

No, the Millenium HA 4 is not designed for rack installation; it is a standalone unit.

How many audio inputs does the Millenium HA 4 have?

The Millenium HA 4 features one audio input to distribute sound to the four headphone outputs.

Reviews

PROS

  • Compact size, easily portable for gigs and studio use

  • Sturdy build with aluminium casing and plastic end caps

  • Offers clear sound clarity, even at high volumes

  • Features 4 separate channels with smooth volume knobs

  • Comes with detachable rubber feet for stability

  • Strong metal housing can withstand rough use

  • Outputs strong enough for loud environments

  • Better build and sound quality than competitors at a similar price

  • Easy to use with straightforward connectivity

CONS

  • Supplied with a 2 pin European plug, adaptor needed for UK

  • Volume knobs feel somewhat flimsy

  • Exhibits self-noise, noticeable hissing when quiet

  • Knobs' placement makes it impractical for bag storage

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Millenium HA 4.

Features and functionality

  • The Millenium HA 4 is suggested as a budget-friendly external headphone amplifier, useful for setups where pedals can't drive headphones directly.

    Source

Use cases and applications

  • Ideal for connecting synths like the Microbrute through effects pedals to headphones without a computer or DAW.

    Source

Comparisons

  • Compared alongside the Behringer HA400 as affordable solutions for headphone amplification in non-amp setups.

    Source

4.5 out of 5

Based on 1 Review and 3 Ratings

5 star
4 star
3 star
2 star
1 star
modularofficial

Can't beat it for the price

I had planned to build my own(passive) but this is just way better

Artist usage

Add artist
See how Derpcat uses Millenium HA 4

Derpcat

Composer, Music Producer

...
Verified via YouTube

Derpcat discusses using the Millenium HA 4 headphone amplifier on their YouTube channel, highlighting its impressive performance but noting that it can distort when driving headphones at high amplification levels.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Millenium HA 4, it is most commonly used with the following gear.

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