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Naim Mu-so Qb 2nd Generation
Mu-so Qb 2nd Generation is the compact version of the award-winning Mu-so wireless music system family. Re-engineered from the ground up to create our best compact wireless music system yet. This compact cube packs quite a punch, with its exceptional sound quality and performance upgrades. Combining years of hi-fi expertise, our state-of-the-art technology, extensive software and hardware upgrades deliver a significantly enhanced performance whilst the design has evolved to perfectly match Mu-so 2nd Generation.
Expertise combined
Focal and Naim have brought together their expertise to create custom designed midrange and bass drive units for the Mu-so QB. With their combined knowledge in unrivalled sound quality, a superior performance is guaranteed.
Seamless playback
Experience more from your music with exceptional Naim quality. Showcasing a whole host of features, including inbuilt Chromecast, allowing seamless playback from your smartphone of hundreds of apps, including Deezer, Qobuz and TuneIn.
Compact and stylish
This compact wireless music system is not only a leader in innovation, but with its bold and beautiful look, featuring grilles in a variety of different colours, this stylish system can blend into any home décor.
Get connected
The Mu-so Qb is designed to seamlessly integrate into your daily life and home environment. You can easily connect it to your smart home devices such as Apple Home Kit and Google Home, and control your music using SIRI or Google Assistant. With the Focal & Naim App, you can explore a variety of features and access all your music, including your favorite radio stations, streaming services, playlists. You can also discover artist discographies and biographies.
Focal & Naim app
With the Focal & Naim app, you can take control of your home hi-fi system and access millions of tracks with ease. You can control various product settings and features all from one convenient app. Plus, you can enjoy instant playback via your connected Naim devices, no matter which room they're in. This app is the perfect tool for music lovers who want to have all their music options at their fingertips.
The application is available from Apple Store and Google Play Store.
The Premium Wireless Speaker Your Music Deserves
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Surprising low-end weight and articulate vocals give the Mu-so Qb 2nd Generation a room-filling presence despite its compact cube, pairing defined bass with a clear, forward midrange and an airy soundstage. Upgraded DSP and modern streaming (AirPlay 2, Chromecast, Roon Ready) deliver fast, stable playback and multi-room flexibility praised by hi‑fi+.
Pros
- Surprising bass weight and control for its size — punchy, well-defined low end without obvious boom.
- Articulate, natural midrange that brings vocals forward with convincing clarity and presence.
- Extensive modern streaming and multi-room support (AirPlay 2, Chromecast, Roon Ready) combined with a much more powerful DSP for stable hi‑res playback.
- Premium, compact build and elegant control interface — tactile illuminated dial and solid aluminium chassis.
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Cons
- Not a substitute for a full separates stereo — stereo imaging and orchestral separation remain more limited.
- Limited lowest-octave extension — bass is impressive for the size but lacks true subwoofer depth.
- Some reviewers noted a slight treble brightness on fresh units that typically eases after break-in.
Sound Quality
90/100
Bass
90/100
Reviewers repeatedly praised surprisingly deep, well-defined low end for its size, with auxiliary bass radiators and a flared port delivering weight and punch without obvious boom. HomeTheaterHifi called the bass 'surprising' and 'serious sonic heft', SoundStage Solo highlighted 'warmth, depth, and tactility', and hi-fi+ said it 'comes into its own from about 80Hz on up.' For its size, extension and control are excellent though not subwoofer deep.
Mid
92/100
Consistently praised vocal clarity and natural timbre: reviewers noted vocals are forward, articulate and convincing. HomeTheaterHifi admired vocal presence on Harry Connick Jr., SoundStage Solo described convincing vocal timbre on Lea Desandre, and hi-fi+ singled out improved, more articulate voices versus the original.
Treble
89/100
Treble is lively, detailed and airy with good cymbal and string sheen, though a touch of brightness was noted that 'polishes' with play time. What Hi‑Fi mentioned a little brightness that settles in hours, while SoundStage and hi‑fi+ praised cymbal sheen and violin bite without harshness.
Soundstage Imaging
90/100
Punchy sense of space and larger-than-size presentation thanks to angled drivers and DSP; reviewers reported good depth and believable instrument placement. SoundStage Solo and HomeTheaterHifi both noted an ability to create a satisfying sense of space and project sound beyond the cabinet dimensions.
Dynamics
89/100
High available power and a beefy 16-core DSP/limiters give confident macro- and micro-dynamics with good composure at loud levels. SoundStage Solo and HomeTheaterHifi noted improved limiter/DSP and strong, undistorted volume; a touch of thickening only at very high SPL was reported.
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Build Quality
93/100
Top-class industrial design and construction: anodized-aluminum shell, milled heatsinks, stiffened front baffle and reassuring weight. Multiple reviews (HomeTheaterHifi, SoundStage Solo, hi‑fi+) describe it as gorgeous, solidly built and heavier than it looks.
Features Connectivity
80/100
Passive baseline applied.
Value for Money
88/100
Price and capability align well: reviewers call it a leading one‑box at its price (What Hi‑Fi: best among one-box rivals within a few hundred pounds; hi‑fi+ and SoundStage recommend for bedroom/office use). Given the feature set, sound and build at ~£749 (UK) / comparable price points, value is strong.
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