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Stereo headphone amplifier

  • 4-Channel
  • Separate volume control for each channel
  • 1 Input with 6,3 mm stereo jack
  • 4 outputs with 6,3 mm stereo jack
  • Includes 12 V power supply
  • Dimensions (W x H x D): 129 x 30 x 83 mm
  • Available since February 2007
  • Item number 107466
  • Sales Unit 1 piece(s)
  • Number of stereo channels 4
  • Output Level Adjustment Per Channel Yes
  • Amount Of Inputs 1
  • Rack format No
30 €
All prices incl. VAT
In stock
1

Four outputs, individual control

The Millenium HA4 is a compact stereo headphone amplifier with four outputs and four independent volume controls, allowing up to four musicians to monitor the same stereo mix at different levels simultaneously. Its build – rubber end-caps on both sides, a form factor resembling a DI box – is designed to survive the knocks of a working studio or live environment. All audio connections are 6.35mm stereo jack sockets, and the stereo input and four headphone outputs are on the front panel, with the external power supply connecting at the rear. The four top-panel volume controls allow each listener to set their own monitoring level independently, while the amplifier delivers ample output power for demanding studio headphones.

Millenium HA4 stereo headphone amplifier

Compact and robust

At 129×30×83mm and 310g, the Millenium HA4 is small enough to sit on a desk, secured to a rack shelf with hook-and-loop tape, or be positioned wherever musicians need it during a recording session. The rubber end-caps provide physical protection against knocks and drops. All four outputs carry the same stereo signal simultaneously; sources connect via separately available cables from a recorder, mixer, or audio interface. At maximum output, the HA4 delivers 2×80mW per channel at 32 ohms and 2×105mW per channel at 64 ohms – sufficient output power for most studio headphones and for musicians who monitor at high volumes during tracking.

Front-panel connections on the Millenium HA4 stereo headphone amplifier

Straightforward monitoring

The Millenium HA4 is aimed at home studio owners, rehearsal spaces, and recording sessions where several musicians need to share the same stereo monitor mix. Each output's independent volume control allows the engineer to concentrate on creating the monitor mix while every musician sets their own listening level independently, eliminating the need for constant volume adjustments from the control room. With no menus or routing to configure, the HA4 can be connected and put to work within seconds. It fulfils its role reliably, providing the level and punch needed for confident monitoring, particularly for drummers and other musicians who prefer louder headphone mixes.

Millenium HA4 stereo headphone amplifier

About Millenium

Millenium is one of Thomann's in-house brands and has been an integral part of the store's range since 1995. More than 800 products – from drums and percussion through to accessories such as microphone stands, racks, and recording workstations – bear the Millenium label. These products are made by renowned companies who also manufacture products for other well-known brands. Since they are imported directly from the factory without any further distributors or sales companies, they can be sold at particularly attractive prices. Incidentally, one in every four Thomann customers has already purchased at least one Millenium product.

Studio and live applications

In studios with a separate recording room, the HA4 can be installed permanently – the engineer manages the monitor mix from the control room while musicians adjust their individual headphone levels in the live room without interrupting the session. Its generous output power also translates well to live monitoring applications, while the rubber end-cap construction withstands the knocks of regular stage use. Sources that output stereo on two separate jack sockets – common on mixers and some recording equipment – connect via an optional Y-adapter into the HA4's single stereo input. Stereo mini-jack adapters are also available for headphones with smaller connectors. As a Thomann own-brand product, the HA4 is also backed by a three-year Thomann warranty.

1635 Customer ratings

4.3 / 5

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779 Reviews

P
Great little amp.
Painy 08.02.2015
I recently ordered this headphone amplifier mainly for our drummer to use at gigs as on several of the songs that we play, we use keyboard backing tracks and he plays to click tracks. We had been using a small guitar practice combo to run his headphones but were looking for something more compact to do the job and found this on the Thomann site at a really good price.
One thing I was concerned with when ordering was that the supplied power adaptor was a 2 pin European mains plug but I am in the UK. Fortunately, Thomann automatically provided a UK 3 pin mains adaptor free of charge!
When I opened the box there were 2 things that struck me straight away. One was just how small and compact this thing is - not much bigger than an old caste tape case. The other was the build quality for the price - aluminium casing with sturdy plastic end caps. The 4 simple volume knobs controlling each of use 4 separate channels have a smooth operation and are clearly centre dettented as well.
Having now tried it at a gig it performed really well too. It gave a strong enough output that our drummer could hear the click track clearly through standard headphones even over our very loud band. He was also very happy with the clarity of the sound.
I have since tried using this as a practice headphone amp by plugging my bass guitar in directly and it worked perfectly.
Overall this is a great little unit for an unbeatable price. The ability to puree it from a battery rather than mains only would have been a useful feature but I guess it would have put the price up and the value for money is one of its strong points.
Highly recommended!
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A
Great amp for the money
Anonymous 10.03.2017
I bought this headphone amp for my project studio to send the headphone mic from my DAW to the live room for drummers and vocalists. It's proven to be very reliable and sturdy despite its low price.

Pros:

1. Very strong metal housing. This is not some cheap plastic that will break easily. This unit can take a beating and it will still work like a champ.

2. Comes with detachable rubber feet that help the amp to stay in place and not slip away. The rubber also helps to prevent it from damage, if dropped.

3. It can produce very high volume - it's suited even for very loud drummers.

Cons:

1. Somewhat flimsy volume knobs, although I doubt that they would break easily or stop functioning.

2. It has some self-noise - a little hissing can be heard from the unit, although it is not a problem once music starts playing.

Summary:

It is an excellent unit for the price. I would definitely get another one if I lost this. Highly recommended, especially for beginners.
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B
A true keeper!
Beverley 17.05.2013
I bought this headphone amp to replace the one that I misplaced, being a student I usually buy on a budget so this was perfect for me with the low costs but high quality product. Consider this if your looking for a headphone amp, you won't be disappointed. I have owned both this and the Behringer HA400 however prefer this product due to its more stable build, exterior protection and overall look. Highly recommended for those who need a simple quiet practice solution or for a quick solution for sending backing tracks to drummers headphones / in-ear monitoring. Out of the two I would recommend this as the superior quality headphone amp

Overall:
Good Build
Lasting Quality
Cheap Price
Well Protected
Rubber surround ensures it stays put - less likely to be knocked over

Don't hesitate to buy with confidence.
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WS
Good price, good product, great deal.
White Ship Caused the Anarchy 20.08.2018
I am using this along with my Scarlett 2i2 Studio Pack for my travel studio setup. It is very useful went you want to work with someone together for example when you are tracking or when you want to work silently on a project

The thing is very robust with dials that just feel incredibly high-quality. The side bumpers also help to confirm the robust nature of this unit.

It is easy to use, simply connect a line-in cable to the output of the unit you are connecting and the input of the headphone amplifier, connect your headphones and off you go.

Only design flaw I find is that the knobs are in a position on the unit that makes it impractical when chucking it into a bag. I think it would have been better to put them on the side so the unit isn?t so bulky.
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