The number 1 in classical music and hi-fi. It is a benchmark in the field of classical music and hi-fi, as well as the distinction it awards to the best devices each year
EISA Awards: Award-Winning Product
Each year, dozens of European journalists gather to select the best electronic products of the year. Awarded by a diverse and impartial jury, the EISA (Expert Imaging and Sound Association) awards recognize exceptional products for their performance, design, or ergonomics.
Introduction to the Mu-so 2nd Generation by Naim Audio
The Mu-so 2nd Generation is the latest evolution of Naim Audio’s iconic wireless connected speaker. This all-in-one speaker incorporates the pinnacle of audio and music streaming technologies, the result of over 45 years of the British brand’s expertise in luxury hi-fi.
Its next-generation multi-core digital signal processor offers a processing power of 2000 MIPS, allowing you to get the most out of your favorite tracks. A new intelligent limiter algorithm controls speaker movements at high volumes to preserve sound clarity and long-term reliability.
Rich and Immersive Sound
At the heart of the Mu-so 2nd Generation is Naim’s in-house music streaming platform, delivering optimal audio performance whether you’re listening to your music library, web radios, or streaming services like TIDAL and Spotify. This exclusive technology is derived from the brand’s high-end audio streaming products like the Uniti range and dedicated network players.
Its new speakers, designed in partnership with Focal, produce a more dynamic and richer sound than the previous version while maintaining perfect sound balance. Its two 14 x 7.6 cm woofers placed at the center are housed in a bass-reflex enclosure with a port located under the left side. Two 5 cm midrange speakers are positioned at the ends, framing the two 2.5 cm fabric dome tweeters. Each of the six speakers is powered by a dedicated 75W amplifier, for a total power of 450W.
Sleek Design and Luxurious Finishes
Externally, the Mu-so 2nd Generation retains the sleek lines and iconic black and gray color of its predecessor. Its aluminum chassis rests on a plexiglass base backlit by white LEDs. The back of the speaker is entirely covered with a massive aluminum heat sink. The front grille is available in several colors: black, peacock blue, terracotta, or olive.
Extensive Connectivity
In addition to WiFi and Bluetooth, the Mu-so 2nd Generation is equipped with numerous wired inputs: HDMI ARC, USB, optical, and mini-jack. HDMI ARC compatibility allows it to be easily used as a stereo soundbar by connecting it to a compatible TV. It also supports DLNA, UPnP, AirPlay 2 protocols and now integrates a Chromecast module for easy integration into a multiroom audio system.
Intuitive Touch Interface
The backlit touch control interface with motion sensor is more user-friendly thanks to many new features, such as the ability to save favorites (radios, playlists). The illuminated rotary volume dial remains as intuitive as ever. The Naim app, available on iOS and Android, provides access to all your music sources (radios, streaming services, playlists) and editorial content like discographies and artist biographies.
What the press says
It's hard to compare it to other speakers as the Mu-So 2 is such a unique product. Its main competitors remain the KEF LSX and the Devialet Phantom Reactor, but for the first time, Naim excels in terms of connectivity and connections. However, the KEF speakers sound better, thanks to superior stereophony made possible by two speakers instead of just one. The Devialet, on the other hand, is much more compact, which could become an important factor when it comes to placing the speaker in your living room. Additionally, the Devialet Phantom Reactor has phenomenal power reserves but offers a much less refined and balanced sound than what Naim can provide.
Automatically translated — Show original (French)
Difficile de la comparer à d'autres enceintes tant la Mu-So 2 est un produit unique. Ses principaux concurrents restent les KEF LSX et la Phantom Reactor de Devialet, mais pour la première fois, Naim fait mieux en termes de connectivité et de connectiques. En revanche les KEF sonnent mieux, fort d'une meilleure stéréophonie, rendue possible par deux enceintes au lieu d'une seule. La Devialet, elle, est beaucoup plus compacte, ce qui pourrait devenir un critère important lorsqu'il s'agira de placer l'enceinte dans votre salon. En outre, la Phantom Reactor de Devialet a une réserve de puissance phénoménale mais un rendu sonore bien moins fin et équilibré que ce que peut proposer Naim
Bass-reflex enclosure with optimized digital signal processing (DSP)
Supported audio formats
High resolution: WAV, FLAC, AIFF, ALAC up to 24-bit / 384 kHz
Compressed: MP3, AAC, OGG up to 48 kHz (16-bit)
DSD: 64 and 128 Fs
Other formats: Windows Media, Ogg Vorbis, MMS
Connectivity
Wireless
Wi-Fi (802.11a / b / g / n / ac)
Bluetooth (SBC, AAC, low energy 4.2)
Wired
HDMI with Audio Return Channel (ARC) and Consumer Electronics Control (CEC)
Ethernet (10 / 100 Mbit/s)
USB 2.0 (Type A)
Audio inputs
Analog (3.5 mm mini-jack)
Optical digital S/PDIF (up to 96 kHz)
Streaming services
Streaming protocols: Apple AirPlay 2, Chromecast built-in, UPnP
Music services: Spotify Connect, TIDAL, Roon compatible
Internet radio: vTuner Premium 5
Physical characteristics
Polished and anodized aluminum enclosure
CNC (computer numerical control) machining
Sandblasted anodized aluminum heat sinks
Dimensions (H × W × D): 122 × 628 × 264 mm
Weight: 11.2 kg
Power supply
Input voltage: 100 V, 115 V or 230 V, 50 / 60 Hz
Power consumption
Normal operation: 17 W
Standby mode: < 2 W
Deep standby: < 0.5 W
Supplied accessories
Remote control
Reset pin
Power cables
Acoustic grilles: available color options (olive green, teal blue, terracotta red)
Frequently Asked Questions
What are the main improvements compared to the 1st generation Mu-so?
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The major developments include the new speakers designed with Focal, the more powerful processor, the 13% increased internal volume for better bass, extended streaming capabilities with Chromecast and AirPlay 2, the more comprehensive touch interface, and the HDMI ARC input.
Can the Mu-so 2nd Generation be integrated into a multiroom audio system?
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Yes, thanks to its compatibility with Chromecast and AirPlay 2, the Mu-so 2nd Generation can join an existing multiroom audio system or serve as a starting point to create one.
What music streaming services are supported?
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The Mu-so 2nd Generation is compatible with Spotify Connect and TIDAL. It also supports streaming from a music server via DLNA and UPnP protocols.
Can the Mu-so 2nd Generation be used as a soundbar for the TV?
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Absolutely, just connect it to a compatible TV via the HDMI ARC input. The Mu-so will then automatically activate when the TV is turned on, providing an immersive sound experience with movies, series, and even video games.
User reviews
Shaman
I am very pleased by the price, shipping speed, and product. There are no other single unit systems with better sound than the Naim Mu-so. The soundstage isn't a stereo hi-fi quality, but it is the closest thing you can get in a single unit. The speaker looks beautiful, sounds incredible, and was delivered ahead of schedule despite having to go from France to Singapore where I am located. I highly recommend purchasing this speaker and commend HomeCineSolutions for their customer service.
Comment from April 23, 2026 — Experience from April 12, 2026
Vincenzo
Warm sound, powerful in the low frequencies and fairly well balanced in the mids/highs. Stereo effect limited by the design, but still excellent for this type of device. Easily fills medium-sized rooms with sound. Connectivity of the Mu So and the Naim/Focal app could be improved.
Comment from February 06, 2026 — Experience from January 18, 2026
Automatically translated — Show original (Italian)
Suono caldo, potente alle basse frequenze ed abbastanza equilibrato ai medio/alti. Effetto stereofonico limitato dalla conformazione, ma comunque ottimo per la tipologia di dispositivo. Sonorizza tranquillamente ambienti di medie dimensioni. Connettività del Mu So ed Appa Naim/Focal migliorabili.
Martial
Used for 3 years, great design, good audio quality. The biggest drawback is the lack of a headphone output and maybe the inability to disable the contactless power-on.
Comment from October 14, 2025 — Experience from November 01, 2022
Automatically translated — Show original (French)
Utilisé depuis 3 ans, super design, bonne qualité audio. Le plus gros reproche est l'absence de sortie casque et peut-être la possibilité de désactiver la mise en route sans contact.
Eco-contribution of €2.58 included in the sale price.
Manufacturer reference: MU-SO 2ND GEN
GTIN / EAN: 5060332107865
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