KEF Muo - Bluetooth Speaker with rechargeable battery

KEF Muo – Portable high-fidelity speaker for uncompromising sound enjoyment

The KEF Muo is far more than an ordinary Bluetooth speaker. It combines cutting-edge acoustic technologies with iconic design, delivering the unparalleled KEF hi-fi experience in a portable format. Thanks to innovative features like P-Flex Surround technology , a highly efficient racetrack driver , and a dedicated dome tweeter, you'll experience rich, detailed sound that impresses despite its compact size.

Powerful sound in a portable design

The Muo delivers room-filling sound , powerful and precise bass, and crystal-clear highs. Even the finest nuances of vocals and instruments are faithfully reproduced. The Music Integrity Engine® (MIE) , a proprietary KEF DSP technology, optimizes the interaction of all components and ensures the highest level of sound integrity.

P-Flex Surround technology

The unique folding design enables precise and deep bass reproduction that remains distortion-free even at high volumes.

Racetrack drivers & dome tweeters

The innovative racetrack driver produces rich, controlled bass, while the dedicated tweeter delivers crystal-clear highs—a combination that guarantees a full-fledged hi-fi experience.

Maximum versatility & robust construction

Whether standing, lying down, or hanging – the Muo adapts to your lifestyle. With IP67 certification, it's waterproof and dustproof and can withstand temperatures from -20°C to +45°C . This makes it the ideal companion for travel, outdoor activities, and spontaneous music moments.

Long battery life & fast charging

With up to 24 hours of playback time, the Muo will keep you company throughout the day. Thanks to the quick-charge function, you can enjoy up to 3 hours of music after just 15 minutes of charging .

Intelligent connectivity

The connection is established in a flash thanks to Bluetooth 5.4 , Google Fast Pair , and Microsoft Swift Pair . USB-C also ensures a stable wired connection. Music can be played in high resolution at up to 48 kHz/24 bit – wirelessly via aptX Adaptive or directly via USB-C.

Advanced features for even more sound

Stereo pairing : Two Muo speakers can be connected to create a true stereo setup.

Auracast™ : For compatible devices, multiple Muo speakers can be paired for a multi-room experience.

Hands-free function : Thanks to the integrated microphone with noise and echo cancellation, telephone calls are possible with the highest voice quality.

KEF Connect App : Use the app to adjust EQ settings, perform firmware updates, and enjoy full control over your Muo.

Design & Sustainability

Designed by renowned designer Ross Lovegrove , the Muo combines aesthetic elegance with functional minimalism. The high-quality aluminum housing is not only robust but also sustainable: The plastic components are made from recycled materials.

Available in seven elegant colors – Silver Dusk, Amber Haze, Orange Moon, Blue Aura, Moss Green, Cocoa Brown and Midnight Black – the Muo perfectly matches your individual style.

Technical specifications – KEF Muo

Model : Muo
Dimensions (H × W × D) : 216 × 82 × 59 mm
Weight : 740 g

driver

Tweeter (HT): 20 mm

Midrange/Woofer (MT/TT): 58 × 117 mm, supported by P-Flex

amplifier

HT: 1 × 10 W Class D

MT/TT: 1 × 30 W Class D

Audio performance

Max. sound pressure level (1 m): 90 ± 3 dB

Frequency response (±3 dB, measured at 85 dB/1 m): 43 Hz – 20 kHz

Protection & Operating Area

Protection class: IP67 (dust and waterproof)

Temperature range: -20 °C to +45 °C

Connectivity

Bluetooth version : 5.4

Supported codecs : aptX Adaptive, SBC, AAC

Resolution : up to 48 kHz / 24 bit (aptX Adaptive & USB-C, depending on the source device)

Wired : USB-C (Charging & Playback)

App : KEF Connect

Fast Pairing : Google Fast Pair, Microsoft Swift Pair

Stereo pairing : True wireless stereo (TWS)

Multi-speaker pairing : Auracast™ (compatible devices required)

Battery

Playback time: up to 24 hours*

Charging time: approx. 2 hours (20 V / 1.5 A charger)

Fast charging: 15 minutes for up to 3 hours of playback*
* At moderate volume levels

Additional functions

Hands-free function with noise and echo cancellation

Control via KEF Connect app

EQ presets & firmware updates

design

Material: aluminum housing, recycled plastic components

Colors: Silver Dusk, Amber Haze, Orange Moon, Blue Aura, Moss Green, Cocoa Brown, Midnight Black

Designer: Ross Lovegrove