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KEF Muon Flagship Speakers (Pair)


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Enquiry/price check? Click here SKU: KEFMUON
Ex VAT: £116,666.67
Limited to 100 pairs, this is one of the most extraordinary loudspeakers ever created and merges KEF's engineering expertise with industry leading design by Ross Lovegrove.

Available. To discuss, call 0121 224 7300/7401

Condition: Brand new in original retail packaging

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Product Video


Brand KEF Speakers

Tech Specs

- Type: Four-way closed box
- Enclousure: floorstanding ACE
- LF: 6 x 250mm LF
- LMF: 250mm Uni-Q LMF
- MF: 125mm Li-Mg-Al/LCP hybrid Cone
- Uni-Q HF: 25mm vented aluminium dome
- Unique 'Tangerine Waveguide'
- Freq response: 25Hz to 60kHz (±3dB)
- Crossover Freq: 120Hz, 300Hz, 2.3kHz
- Amp required: 100-400W (typical)
- Sensitivity: 90dB (2.83V/1m)
- Input Impedance: 4 Ohms
- LF Extension: 20Hz (-6dB)
- HF Extension: 100kHz (-10dB)
- Max output: 118dB
- Dimensions (HWD): 2000 x 600 x 380mm
- Weight: 115kg (253lbs)

Product Description

KEF Muon Flagship Speaker draws on the expertise of Ross Lovegrove to transform the finest acoustic engineering into the ultimate loudspeaker form with build integrity.

It is sculpted from super-formed aluminium to produce a smooth-edged yet incredibly rigid shape using an evolutionary process to ensure it is perfectly suited to meet the purpose.


The powerful bass drivers grant superior bass reproduction and are complimented by key technologies driving the upper mid-range and treble such as Uni-Q driver array for seamless imaging across the entire listening area.

ACE (Acoustic Compliance Enhancement) effectively doubles available volume using activated carbon to adsorb air molecules. Muon has succeeded in setting a major benchmark in acoustic transparency.

Musical Form

Ross Lovegrove's polished aluminium design creates the ideal environment for the drivers to deliver seamless, open sound. The curvaceous form reminiscent of a torso breaks up the aesthetic cabinet mass while providing a smooth, immaculate surface to radiate a field of pure audio. The result is an unprecedented 3D presence.

Muon's 6mm thick aluminium shell grants a completely rigid structure for lowest sound-distorting vibrations. Strengthening braces and a damping-compound coating within makes the entire speaker fully inert even at loud volumes.

Uni-Q drive array

KEF's proprietary 'sit anywhere' Uni-Q driver positions the tweeter in the sonic core of the midrange cone creating a sole, focused source of sound that is widely and evenly dispersed across the room. The smooth curved cabinet boosts the benefits of Uni-Q by eliminating sharp edges that cause diffraction and blur image. This produces truly remarkable sound quality with no obvious "sweet spot" effect experienced anywhere in the listening environment.

Muon Story

A genuinely stunning presentation of sound-engineering and ground-breaking design, Muon is built individually and meticulously measured in incredibly precise anechoic chambers to ensure top performance.

The unique frequency response curve is presented on a supplied certificate signed by the expert craftsman behind it. Muon is an extraordinary sculpture piece as much as it is the ultimate sound system.

Wide Bandwidth

Muon's outstanding sonics are due to its unconventionally wide bandwidth which replicates incredible highs and lows in your audio that are perceived beyond just listening to adding an extra dimension of realism.

Form is wrapped around sound proving that exceptional design and superior audio are not mutually exclusive. An exquisite exhibition of British engineering and design at its very best.

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Contact Details

UK Local Rate Number
0844 50 403 50

Sales Landline
0121 224 7300/7401

Customer Services Landline
0121 224 7350/7351

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