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Digital Audio Network Streamers: 5 High-End Options That Are Mostly Future-Proof

Streaming digital music from an audiophile-grade component will not only sound better, but provide greater multi-room functionality.

Cambridge Audio CXN V2 Network Audio Streamer - Lifestyle

Digital audio network streamers are one of the fastest growing categories in consumer audio and while the vast majority of listeners are perfectly content with using their laptops, tablets, and smartphones, the reality is that there isn’t one perfect platform that can work flawlessly with every format or streaming service. 

That dilemma also applies to high-end network streamers as well. A high price does not guarantee support for every streaming service, or support for AirPlay 2, Chromecast, Bluetooth aptX or aptX HD.

Having listened to a few very expensive streamers from Naim, AURALiC, Cambridge Audio, and Innuos in both audio stores and at various shows, I can recall that they were all very impressive sonically, but that my positive reaction was tempered by the realization that all of them would require a rather sizable financial investment. It has been far too long to remember how they compared to one another (and rather impossible considering I did not listen to any of them in the same system), but I do know that I would rather put my money into a higher quality DAC vs streamer in 2020. 

The irony is that I would spend far more on a turntable than a streamer but that’s fodder for another article.

Whether or not you need to spend more than $2,000 on a network streamer is for your ears to decide but my listening experience dictates that the units below offer excellent sound quality, well designed apps that facilitate use of the major streaming services, Roon-compatibility, and can be upgraded via future firmware updates.

If only you could hear what I’ve heard with your ears…

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Bluesound Node 2i – $499

Bluesound Node 2i front view in white

The Node 2i is one of the most comprehensive streamers with support for MQA, all of the major streaming services, AirPlay 2, voice control through Amazon Alexa, and now comes equipped with an internal 32-bit/192kHz DAC which means that you can run it directly into your amplifier as a source. Wi-Fi connectivity, a Gigabit Ethernet RJ45 input, and support for Bluetooth 5.0 aptX HD makes the Node 2i a very comprehensive solution for most users. This Roon-ready device also plays well in the sandbox with other ecosystems aside from BluOS and sounds decidedly analog for a digital component. New compatibility with Tidal Connect is just additional icing on your Vachon cake. 

Bluesound Node 2i rear view in white

The Node 2i may not deliver the same degree of resolution as some of the more costly digital streamers in our survey but we’re big fans of this unit for its functionality, access to almost every single music streaming service available, and how easy it is to make this work with all types of systems. The more expensive PowerNode 2i ($899 at Amazon) network amplifier from Bluesound sounds better, but the Node 2i is a very well-designed product.

Cambridge Audio CXN V2 – $1,099

Cambridge Audio CXN V2 front view

The CXN V2 is the least expensive network streamer in the Cambridge Audio line-up, but don’t let that get you down because it’s one of the best below $2,000 right now for a number of reasons. Being a Roon-ready endpoint is a great feature but that’s only relevant for those who want to be locked into that specific ecosystem. Cambridge offers the StreamMagic app for iOS and Android which works just fine with streaming services like Tidal, Spotify, or Qobuz. The CXN V2 has a very readable display which is sufficient for viewing album art, and the app is quite responsive.

Cambridge Audio CXN V2 rear view

From a connectivity perspective, the CXN V2 offers USB, TOSLINK optical, and S/PDIF coaxial digital inputs which means that you can run a CD player or other legacy digital device through the network player and utilize its 24-bit Wolfson DAC. With support for Chromecast and Apple AirPlay 2, the CXN V2 (aptX Bluetooth requires an adapter) offers a comprehensive way to connect to the world of digital streaming. The unit is easy to operate, reliable (it doesn’t freeze very often – something I can’t say for every network streamer), and it feels like you’re getting a solid piece of audio engineering. 

The CXN V2 sounds very impressive on its own which will make it a practical option for a lot of listeners, but when you connect it to an external DAC that can put some additional meat on the bones while carving out a very defined soundstage – this network streamer will quickly make you question the need to spend anything more. 

Sonore ultraRendu – $875 + PS (which adds an additional $50-$300 depending on model)

Sonore ultraRendu front view

In the plug-and-play streamer category which includes the ability to hide inside a cabinet and control remotely with access to your music collection and streaming services via your home network, the ultratender from Sonore is one of the best and most reliable streamers available. The ultraRendu utilizes high grade parts, including an ultra-low jitter FEMTO oscillator, has a customizable OS, and offers excellent resolution, a warm tonal balance, and excellent sense of momentum. 

Sonore ultraRendu rear view

There is a learning curve associated with this, but the ability to tweak the ultraRendu to meet your specific needs will be a bonus for many users. Not every streaming customer uses Roon and there is something to be said about not being tied into one specific ecosystem. Run a single USB cable into your DAC of choice after connecting the ultraRendu via an Ethernet cable to your router and you’re good to go.

Roon Nucleus/Nucleus + 

Roon Nucleus front angle view

Roon Labs have introduced two generations of music servers based around its playback and library management platform and there is no question that it’s the best choice if you utilize multiple streaming platforms like Tidal, and Qobuz and want to use Roon exclusively. The Linux-based server is set-up and managed through your smartphone, tablet, or computer and the learning curve is not too severe. Technical support offered by Roon is excellent and there is a growing community of users online to help you based on their own experience with the product. The Nucleus and Nucleus+ come pre-loaded with Roon’s software, but you still have to pay to activate your subscription. Roon is now offering a 1-year subscription included in the price.

Roon Nucleus rear view

The library can hold more than 10,000 albums, and the server can handle up to 6 simultaneous zones of playback.

The Nucleus+ also includes PCM and DSD upsampling and multi-channel support.

We do wish that the Nucleus included an internal CD ripper; listeners with a large CD collection that has already been ripped to an external HDD can connect it via the USB port. If you own a large CD collection that is not already ripped to an HDD, you may want to consider the next model in our list which offers that level of functionality. 

Innuos ZENMini MKIII – $1,249 (1TB) – LPSU adds $700

Innuos ZENMini MKIII Music Server 1TB + LPSU

Designed and manufactured in Portugal, the ZENMini MKIII is both a music server, Roon-endpoint, and Roon Core platform if you require a hub for a multi-room system. This two-box system will rip your CD collection, organize your metadata, and give you enormous long-term flexibility running Roon along with streaming services such as Tidal, and Qobuz. The ZENMini MKIII can be run as a music server into an external DAC, via its analog outputs directly into your amplifier, or from its Ethernet output into your router for distribution to Roon endpoints scattered throughout your home.

Innuos ZENMini MKIII Music Server 1TB + LPSU (rear view)

Connected to something like the Schiit Audio Yggdrasil or Holo Audio Spring KTE DACs, the ZENMini MKIII is capable of delivering outstanding digital sound quality for under $4,500; which is not inexpensive but you would have to spend a lot more in the high-end space to achieve a lot more. If you prefer a more analog sounding presentation – this is the combination to consider. 

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