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New – Closed Box We are authorised dealers of the finest audio gear.Note: Ships in about 15 days.We are convinced that smart integration of functions yields higher audio quality. The MU2 combines a music streamer with a superb DAC and a reference quality analog pre amp. Its built-in DAC takes full advantage of the Grimm Audio low jitter clock and high performance FPGA processor. A relay based analog volume control enables the MU2 to become the true ‘hub’ of your hifi system for both digital and analog sources. Just like with its sister product, the ‘digital output’ MU1, a Roon Labs server is on board so no external computer is needed to enjoy perfect streaming. “The MU2 offers full integration of functions, from Roon to analog volume control, with revolutionary sound quality.”At the heart of the MU2, Grimm Audio’s proprietary Major DAC can be found. It is of a groundbreaking discrete design that makes optimal use of our own FPGA board. In a unique way our high resolution Pure Nyquist upsampling filters are combined with a fundamentally flawless 11th order noise shaper of 1.5 bit. If you like to read more about this technology, please check out the Major DAC blog.As a result the MU2 reproduces micro-details so well that it allows a deep emotional connection to the musical performance. The stereo image is of groundbreaking quality. Its serenity invites prolonged listening sessions.If you love your loudspeakers and power amplifiers but long for a fundamental update in sound quality and streamer experience, the MU2 is designed for you.The MU2 has 2 stereo analog inputs and 3 stereo digital inputs. It has outputs on XLR and RCA, and headphones jack.
Generating expert take…
Founded in 2004 in Veldhoven, The Netherlands, Grimm Audio emerged from the expertise of audio pioneers Eelco Grimm, Bruno Putzeys, Guido Tent, and Peter van Willenswaard. Drawing on their backgrounds at Philips and Hypex—where they advanced Class D amplification and precision electronics—the founders merged scientific rigor in acoustics, physics, and electronics with decades of critical listening. This heritage birthed early innovations like the AD1 1-bit A/D converter for DSD recording, the CC1 master clock, and TPR studio cables, establishing Grimm as a bridge between professional engineering and audiophile passion.
Grimm Audio specializes in high-end active loudspeakers, digital music players, and streaming DACs, alongside pro audio tools. Standouts include the LS1 series playback systems, delivering coherent full-range sound from 20Hz to highs with integrated amplification; the MU1 and MU2, ultra-low-jitter sources supporting Roon, UPnP, and AES for pristine digital retrieval; and legacy converters and clocks used in elite studios like Wisseloord and Channel Classics. Their holistic approach optimizes the entire audio chain for transparency.
Positioned as a niche boutique leader in the ultra-high-end market, Grimm commands reverence among discerning hi-fi enthusiasts and top recording professionals for perceptual neutrality and emotional fidelity. Acclaimed as "the world’s best complete audio system" by critics, their gear sets benchmarks in studios worldwide and luxury homes, prioritizing uncompromised musical truth over compromise.
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