Naim muso 2nd gen roon ready

Using Roon shows that the Naim Mu-So 2nd Generation can not only take 96 kHz, but can accept 352.8 kHz from a converted DSD64 signal. Whether it downsamples internally I can’t tell you as there is no way of outputting a digital signal to monitor the sample rate.

For anyone who’s curious about the Loudness in the chain:


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Thanks @Rob_BrownGHF but that is using Muso as a Roon Ready endpoint… I figured the Roon Readyness was pretty well sorted… I was asking about using the Muso as a Chromecast endpoint… Roon should be able to see it as a Chromecast device?

Can you show what sample rate Roon shows in the signal path when playing 96kHz content to Muso as a Chromecast device?

As per previous message, before anyone asks “why would someone use Chromecast with Roon when it’s already Roon Ready?”… just for a quick test only, to see what sample rate Roon reports with 96kHz…

My apologies for the misunderstanding. It casts at 24 bit 44.1 (from 88.2 et al) and 48 kHz (from 96 et al).

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Thanks for testing @Rob_BrownGHF, much appreciated.

I am considering buying the Mu-so 2 for my living room since available space is very limited and I would appreciate some feedback from owners or those in the know…

  1. Do you think that the sound will suffer considerably if the Mu-so was placed on a shelf?
  2. In the event that I can justify the cost of two of these, is there a way to set them up to be grouped together so that one unit is playing Left and the other Right? I assume I can do this with Roon via DSP settings and Grouping, but I have never tried. Is it possible to set this up without Roon? If so, I’d appreciate receiving any info.
  3. How would you rate the sound quality as compared to active bookshelf speakers in this approximate price range (of a single Mu-so)?
    [EDIT: I prefer neutral and natural sound and my musical taste is broad – but no metal, EDM, or most popular pop… :-)]


If it’d like the Chromecast implementation in the other Uniti range then it will handle 96/24 by Chromecast.

I can only speak for the original Mu-So but based on the physical dimensions are the same I believe my answers will still hold true. However, ignore me if you think otherwise and I’m be perfectly in agreement with that as, again, my comments are based on owning the original and hear the 2… anyway…

  1. You can get a tad bit of stereo imaging if you put it near ear height and sit right in front of it almost like a near-field set-up. This gets absolutely destroyed as soon as you’re not right in front of it or it’s below/above ear level. Highs are much more detailed at ear level. However, the overall sound quality is still good no matter where I put it. It can just get better in a near field set-up. For my office it’s great on a shelf as I’m not doing any critical listening. Play with all combinations of loudness and distance settings. They will impact a sound signature which changes pretty noticeably as you move it around.

  2. I cannot answer this question but I may try to convince you that such a set-up, while really intriguing, may not sound very good. The Mu-So is designed to be a 2-channel set-up and it can play pretty loud. Naim uses extensive use of DSP to get the sound they do and this includes a decent amount of emphasis on the lows frequencies. It sounds great but it’s absolutely no slouch in the low end. I believe if you tried to use two of these, and being lows are generally mixed almost mono on most recordings, you’d start to get the same issues in your room as if you put in two subs but with no way in the Mu-So to compensate. You’d be spending a bit of time in Roon’s EQ to get it to sound right. Would be a pretty awesome set-up though. I just think if you can afford two of these and want them in a stereo set-up there are better powered speaker set-ups that integrate with Roon you would want to look at.

  3. I’ll withhold comment as I’ve not heard the 2 and all reviews I’ve read say it sounds much better than the one I’m listening to now. I will say though… Naim has a “sound” to it and the Mu-So is no different. This is true of all Naim products. I think they sound wonderful but they sound like Naim. When I bought my Mu-So I listened to it and the original Devialet Phantom. For my smallish office I felt the Phantom was just too much and preferred the Mu-So sound at lower backgrounds volumes which was the primary listening environment it’d be in. A few years later we ended up in an apartment temporarily and the Mu-So became the primary system. It performed really well but trying to “rock out” in a, smallish, living room environment I would have preferred the Phantom. Now I’m back in my office the Mu-So is perfect.

I’m seriously thinking of selling my Mu-So and getting the 2 simply because I want the Roon integration. The thing is good enough to resolve hi-res and Roon feeds the original as an Airplay device which limits it’s capability. Yup, I love this thing that much.

Anyway, hope that helps. Track one down and give a listen. It’s really the only way to appreciate how good a sound can come out of the sleek little box.

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Thanks for the detailed feedback! I will try to demo the Mu-so 2, but since Naim is not sold in my country, I’d have to wait until I travel. As for other active speakers, I originally considered the Dutch & Dutch 8c, then the Elac Navis ARB-51, but unfortunately neither fits in the space/layout available in this room. So I am trying to find a compromise I can live with that can be placed on a bookshelf. It turns out that is quite limiting. Quality options seem to be limited to (but I’d love to know if I overlooked other options):

  • Naim Mu-So 2
  • B&W Formation Wedge
  • Dynaudio Music
  • McIntosh RS200

From your description, it sounds like the stereo separation would be an issue for me with only 1 unit. I currently own a B&O A9 and while it goes loud and deep and sounds ok given it’s aesthetics-first makeup, the lack of stereo separation in the large room it is in make it only suitable for background music or loud entertaining.

I appreciate your warning about the lack of suitability of 2 x Mu-so 2. I am happy to tweak the sound in Roon and to create a convolution filter in REW – I was hoping that would sort out most issues. However, if their DSP is adding a delay between L & R (in each unit) to try to mimic a wider soundstage (I do not know if they are), then the results will be muddy.

Thanks again for your help. I will try to make it a point of listening to these contenders when I am next in a more audio-friendly country.

Though the overall dimensions are the same, the actual cabinet is larger and the heat-sinks on the back are smaller. This controls the bass substantially, which was what I saw as the biggest limitation of the first generation Mu-So.

We’ve still got our demonstration model of the first generation Mu-So and we’re finding it very difficult to shift due to the huge improvement on sound quality on the new version. The stereo width is wider even moving further away from the unit though it will never overcome the laws of physics that limit a one box solution.

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Just experimented in Roon with creating a grouped zone consisting of an iPhone and an iPad and applied a DSP (Procedural EQ --> Mix --> map L to both L+R and R to L+R for each device respectively)… despite how bad the iPhone and iPad speakers are for music listening (especially that they are not matched), the result definitely gave a much better stereo image. However, I believe there may be a timing issue between the two. It is difficult to tell because the two devices sound so different.

Anyone else want to try this out (if you have two Roon Ready / RAAT devices in close proximity) and give their impressions?

Most people who got the Muso2 say it’s a big improvement over the previous model, so imagine this will be to.

We formally were told about the QB before everyone received the email from Naim this morning. It was hinted at for many months though. We haven’t heard or seen it yet, even having gone to the Naim Factory not too long ago. Can assume that it’ll sound somewhat more musical and controlled. Will update once our demonstration item comes in and hear it up against the previous generation.

Do you know when they are due in the shops? I presume they are all in a shipping container on its way from China at the moment?

The first batch should be hitting retailers at the end of this month, second batch at the start of next month. This of course is subject to oversea shipping delays and customs. Seeing thousands of Darth Vader helmets in an X-Ray may raise some eyebrows.

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Hi Rob,

Any idea why DSD64 is not being handle natively by the Muso QB2?
Specs mention support for DSD64 and DSD128

See Naim forum

Thank you, Rob.

Hi All,

First post and potentially dumb question … so be gentle pls.

I’m considering buying the Naim Mu-So 2nd Gen. I went to my local store to test it with Roon. When I played Hi-Res files, all in the signal path was purple except for the “Naim Processor (Loudness)” just like in the picture provided by Rob on this post. Does that mean the quality is being reduced as the signal path is showing some processing?

Any advice or guidance would be greatly appreciated.


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Hi Vic
There is a loudness setting on the Muso which is a digital control, therefore Roon shows it correctly as the signal is no longer bit perfect. So if you’re a purist you will want to disable this setting.
If you room is small and/or the Muso is close to a wall or corner you may find that the bass is a bit excessive and these digital settings help to tame it, although personally I prefer the sound with these settings disabled.
Roon, of course, has a much nore sophisticated digital eq option, but again you don’t have to use it.

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Thanks for the prompt response Chris.

That settles it for me I will buy it and turn loudness off :+1: