MU1

The MU1 is the ultimate digital music source. Combined with the LS1, it forms a peerlessly elegant High-End audio system.

We wanted to develop the most accurate audio source we could imagine. In our experience, the human hearing system shows an incredible sensitivity to anomalies. Even unimaginably small aberrations appear to be audible. In principle, digital audio does offer perfect reproduction. Its sonic quality, however, is limited by the implementation accuracy of the physical and mathematical laws that affect the conversion from one format to another. Grimm Audio strives to bring you confidence that all technical details are taken care of to the greatest extent so that the reproduction system steps out of the way of the music.

“The MU1 is the ultimate digital music source: attractive, reliable and precise”

With the MU1, our goal was to set a new benchmark in music player design. The Linux-based computer system brings solid data integrity. Our in-house-designed FPGA interface board, which forms the heart of the MU1, offers breakthrough performance levels in format conversion and receives automatic updates whenever we have pushed the boundaries again. Needless to say, the MU1 features our trademark ultra-low jitter clock. This is a music player worthy of the name Grimm Audio.

Once excellent sound quality is ensured, the quality of a music player is then defined by the user experience. For this, we partnered with Roon Labs, who in our opinion are in the lead when it comes to a rich and engaging music experience that appeals to your whole family. The MU1 runs the Roon Server, so no extra installs are necessary. Just pick up your tablet and experience the music. For customers who prefer to only run a simple playback system without Roon’s extras, we will offer a solid alternative. 

The MU1 combines seamlessly with the LS1 playback system. Of course, the virtues of the MU1 can also be realized with DACs from other manufacturers. Because we love to create a stunning look for our equipment, the boundlessly versatile system is housed in a cabinet of minimalistic elegance, so the MU1 will easily become the gem of your living room.

The MU1 has 6 channel outputs and 3 stereo digital audio inputs.
I give the the MU1 6 of 5 possible stars in sound quality. An amazing device!

Wieland Hornig, Berlin (MU1)

Grimm Audio MU1
2019-07-04T12:32:18+00:00

Wieland Hornig, Berlin (MU1)

I give the the MU1 6 of 5 possible stars in sound quality. An amazing device!
The Grimm Audio MU1 manages to touch the essence of the music.

Jaap Veenstra, Alpha Audio, Haarlem (MU1)

Grimm Audio MU1
2019-11-12T11:16:08+00:00

Jaap Veenstra, Alpha Audio, Haarlem (MU1)

The Grimm Audio MU1 manages to touch the essence of the music.
The MU1 takes my breath away.

Leung Wing Lun, SuperAV, Shanghai (MU1)

Grimm Audio MU1
2019-11-12T11:19:37+00:00

Leung Wing Lun, SuperAV, Shanghai (MU1)

The MU1 takes my breath away.
Today we listened to nothing less than a true revolution in High End Audio listening.

Erwin Pakasi, Barendrecht (MU1)

Grimm Audio MU1
2019-11-28T15:13:55+00:00

Erwin Pakasi, Barendrecht (MU1)

Today we listened to nothing less than a true revolution in High End Audio listening.
The sound together with the LS1‘s is magical.

Thomas Pierburg, Kuala Lumpur (MU1)

Grimm Audio MU1
2019-11-28T15:16:38+00:00

Thomas Pierburg, Kuala Lumpur (MU1)

The sound together with the LS1‘s is magical.
In the test, the MU1 played exceptionally fresh and transparent.

Philipp Sneckenburger, Hifi Einsnull, Duisburg (MU1)

Grimm Audio MU1
2019-12-16T16:49:56+00:00

Philipp Sneckenburger, Hifi Einsnull, Duisburg (MU1)

In the test, the MU1 played exceptionally fresh and transparent.
Whatever I play, the MU1 never disappoints and allows the DAC and the rest of the system to show their strength.

Rene van Es, Hifi.nl, Amsterdam (MU1)

Grimm Audio MU1
2020-01-17T16:54:49+00:00

Rene van Es, Hifi.nl, Amsterdam (MU1)

Whatever I play, the MU1 never disappoints and allows the DAC and the rest of the system to show their strength.
I have never heard streamed music of any genre better, more authentic and more breathtaking.

Joachim Pfeiffer, Hifi Musik Journal, Wuppertal (MU1)

Grimm Audio MU1
2020-01-31T10:41:09+00:00

Joachim Pfeiffer, Hifi Musik Journal, Wuppertal (MU1)

I have never heard streamed music of any genre better, more authentic and more breathtaking.
The device activates the hug hormone.

Ruud Jonker, Hifi.nl, Amsterdam (MU1)

Grimm Audio MU1
2020-02-21T16:13:40+00:00

Ruud Jonker, Hifi.nl, Amsterdam (MU1)

The device activates the hug hormone.
The MU1 transforms CDs into terrific source material!

Bart, Kortrijk (MU1)

Grimm Audio MU1
2020-02-22T16:35:25+00:00

Bart, Kortrijk (MU1)

The MU1 transforms CDs into terrific source material!
In conclusion we can only call the Grimm Audio MU1 a statement effort in digital audio.

Henk & Marja, 6Moons, Westport (MU1)

Grimm Audio MU1
2020-04-09T10:35:05+00:00

Henk & Marja, 6Moons, Westport (MU1)

In conclusion we can only call the Grimm Audio MU1 a statement effort in digital audio.
It was more real. Basta.

Bart, Audio Afficionado (MU1)

Grimm Audio MU1
2020-09-03T14:07:27+00:00

Bart, Audio Afficionado (MU1)

It was more real. Basta.
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Grimm Audio MU1

MU1 features

  • Roon Server integrated (up till 100k tracks)
  • ultra high up- and downsampling precision
  • ultra low clock jitter
  • seamless integration with LS1 series
  • excellent source for 3rd party DACs
  • all sample rates and formats supported
  • surround playback option with 6 digital output channels
  • AES, spdif and optical digital stereo inputs
  • web control of setup via any browser
  • infrared remote control
  • external USB and NAS storage, optional internal SSD
  • Tidal and Qobuz support
  • 355 x 85 x 295mm (WxHxD)
  • 5 year limited warranty

MU1 Photos

Grimm Audio MU1 top view MU1 and LS1be in RCO House Grimm Audio MU1 on table Grimm Audio MU1 Chinese display MU1 plays DXD file Grimm MU1 - Everything is new Grimm MU1 - Everything is new 2 Grimm MU1 with Zanden amplifiers MU1 interior render 1 MU1 interior render 2 Grimm Audio MU1 FPGA pcb Grimm MU1 main knob bearing and encoder Grimm MU1 SMPS Grimm MU1 SMPS 2 Grimm MU1 interior