
In their March 2021 issue, Stereophile’s John Atkinson checks out the MU1 and is so intrigued that he postpones dinner… We felt very honored that John loved to do this review himself. He writes: “I started playing a CD-resolution file, and the MBL’s display confirmed that it was receiving a 24-bit/176.4kHz stream. Oh my! Iread more >

Great news for all MU1 owners and future owners: Roon Labs will introduce their new v1.8 software version on February 9th. It received a completely new look and feel and is one of their biggest makeovers to date. According to Roon, v1.8 received “a fresh new visual design that takes its inspiration from the idearead more >

We are very honoured that our MU1 has received the ‘Outstanding’ tag by HifiNews UK editors Andrew Everard and Paul Miller. HifiNews even adopted the MU1 as their new reference digital source! We hope it will serve them well for years to come. Please enjoy some excerpts from their remarkable review: “If the Mola Molaread more >

After many months of software development we proudly present the new v1.2.14 firmware of the MU1. Don’t expect a long list of added features. There are a few nice ones, but they don’t represent the huge amount of work that went into this update. The majority of labour was put in stuff that mainly livesread more >

Grimm Audio enters Poland with our new distributor Audiofast, and Filip Kulpa of Audio Video Magazine puts the MU1 to test. He turns it upside down and inside out, listens extensively and becomes seriously enthusastic. As a result, the MU1 is granted a 5 star “Rekomendacja” award! We are happy to share a pdf ofread more >

The unorthodox French “Audiophile Magazine” published an in-depth review of the MU1 in their October 2020 edition. In no less than ten pages, editor Joël Chevassus runs the MU1 through five “confrontations” with other systems. He keeps looking for possible limitations, but eventually becomes strongly convinced about the MU1’s qualities. Some quotes from his text:read more >

Jon Nelson runs Ripcaster, our new dealer in Checkendon, UK. He made a great little introduction video of the MU1. Jon walks you through the options of a MU1 that sits on a small turntable, which is entertaining to watch. We recommend to check this out! And when you are near him in the “Chilternsread more >

In the “Friendly Forum for High End Audio” Audio Afficionado, subscriber Bart takes the readers on a trip to dealer Listening Matters in The Hague, where he landed in his search for the ideal digital music source. He describes his journey and observations with great enthusiasm, introducing many of the albums he played. It makesread more >

The Taiwan Audio Art Magazine published a review by Paul Tao, who was totally surprised by the performance of the MU1. He writes in his conclusion: “After listening to the Grimm Audio MU1, my perspective on streaming players has turned 180 degrees! In the past, I always thought that streaming players should just hand overread more >

MU1 customer FredM wrote an ‘objective review’ of the MU1 on the webforum Audiophilestyle. He measured the amount of goosebumps he got per listening session and put them in a chart. 🙂 “This is probably the most fact based experience I can share with you*. The items on the bottom represent the listening sessions, theread more >

Dutch printed magazine HVT sports a second MU1 review, this time from long term journalist and audiophile Bert Oling. Bert brings in a few friends and everyone gets excited about the MU1’s sound quality. Especially about its power to unravel sonic details and present all elements in a natural balance. Bert writes: “Homogeneity is theread more >