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KEF Muon is the result of KEF engineering prowess combining with world-class industrial design by Ross Lovegrove. Only 100 pairs have ever been produced, and feature an individual engraving of serial number and Ross Lovegrove’s signature on the back. 

There can be few projects in this world where the central aim is to create an ‘ultimate’. But this was precisely the goal when KEF combined their state-of the-art acoustic technology with the sensual, organic forms of visionary designer Ross Lovegrove.

Since its production, KEF engineers have explored new ways of extracting even more detail and refinement from key KEF technologies in their continuing quest to discover innovative and superior ways of reproducing music with realism and vitality. With the emergence of another iconic KEF model, Blade, KEF engineers were presented with an excellent opportunity of enhancing the technological prowess of Muon even further, namely through the use of the latest iteration of KEF’s landmark innovation, the unique Uni-Q ‘point source’ driver array, and a completely redesigned crossover incorporating all of KEF’s latest thinking to seamlessly integrate all of the drive units.

The effects of this careful re-engineering are impressive, and result in outstanding dynamics, precision and delivery of clearly defined, sonic imagery over a listening area no conventional speaker can rival. Now, even more so than when launched, Muon remains arguably the world’s most extraordinary audio speaker ever conceived and produced, not to mention a truly contemporary art form appropriate for 21st century living. Limited to an edition of just 100 pairs, Muon is unequivocally at the apex of speaker design and technology.


Type: Floor standing

Impedance: 4 ohms

Recommended Amplification: 100 to 400 Watts

Frequency Response: 25 Hz–60 kHz, ±3dB.

Sensitivity: 90 dB

Woofer: 250 mm (10 in.) Mid/Low woofer / 6x 250 mm (10 in.) woofers

Tweeter/Midrange: Uni-Q driver: 25 mm (1 in.) vented aluminum dome tweeter with Tangerine Waveguide / 125 mm (5 in.) Li-Mg-Al/LCP hybrid cone mid-range.

Crossover: frequencies 120 Hz, 300 Hz, 2.3 kHz.


78-4/5 inches (2000 mm) High

23-3/5 inches (600 mm) Wide

15 inches (380 mm) Deep

Weight: 253 lbs (115 kgs) each

Finishes: Aluminum

Details: 4-way closed box floorstanding loudspeaker ACE enclosure

-Cabinet – Designed by artist Ross Lovegrove, the MUON is the convergence of Lovegrove’s aesthetics and sound physics. Fabricated using super-forming, sheets of aluminum are heated intensely until malleable and formed onto the cabinet of the speaker.

Notes- Currently out of stock, contact us to order!