All MU1 customers should run the new MU1 firmware update v1.3.4. It solves a problem that was introduced with the Roon v1.8 build 880 update of December 15th.
Due to internal changes in the communication of Roon the Grimm Audio ‘extension’ stopped working. As a result the display information of the MU1 did not show track and artist information anymore and the audio was muted until the large button was pressed. These problems are all solved with the v1.3.4 firmware update.
JPLAY is an audiophile oriented music playback and control app for iOS and MacOS. With today’s JPLAY v1.4.3 update a full integration of the app with our MU1 and MU2 streamers is achieved. The MU1 and MU2’s UPnP interface supports ‘UPnP Eventing’ and JPLAY embraces this method in their latest release. As a result theread more >
In new firmware for the MU1 and MU2 we offer a small but worthwhile improvement of the DSD filtering sound quality in the MU2 and of the PCM and DSD filtering in the MU1. We also addressed a couple of robustness issues that could happen in rare use cases, among others a spurious indicated coefficientread more >
One of the world’s largest Hi-Fi publications Stereonet makes a strong move by founding a major new show in Singapore: Asia Hi-fi & AV Expo. It will be held from July 10-12 in the famous Marina Bay Sands hotel. Grimm Audio is present and exhibits in room 3910. We will show our two core productread more >
In conclusion we can only call the Grimm Audio MU1 a statement effort in digital audio.
