KEF MUO Portable Bluetooth Speaker with KEF MIE and Auracast

Experience the power of high-fidelity sound in a sleek, portable design with the KEF MUO Bluetooth Speaker. Developed by KEF’s legendary audio engineers and styled by iconic designer Ross Lovegrove, the MUO brings acoustic precision and visual elegance together in one powerful unit. Whether you're relaxing at home, working on the go, or throwing a party, MUO adapts effortlessly with Bluetooth 5.4 aptX Adaptive™, up to 24 hours of battery life, and IP67 water and dust resistance. With advanced acoustic technology including a racetrack driver with P-Flex Surround Technology and Music Integrity Engine®, every beat is bold, detailed, and immersive.

Its robust aluminium build is matched by intelligent features like True Wireless Stereo pairing, Auracast™ multi-speaker connectivity, built-in speakerphone with echo/noise cancellation, and support for both Google Fast Pair and Microsoft Swift Pair. Whether standing up or lying down, MUO auto-optimizes audio output for the perfect sound in any orientation. Available in seven vivid finishes, it’s more than just a speaker - it’s a statement of sonic and aesthetic excellence.

KEF MUO Full Specifications

• Model: KEF MUO
• Dimensions: 216 × 82 × 59 mm (8.5 x 3.2 x 2.3 in)
• Weight: 740 g (1.6 lbs)
• Drive Units: HF: 20 mm dome tweeter; MF/LF: 58 x 117 mm racetrack driver with P-Flex surround
• Amplifiers: HF: 10W Class D; MF/LF: 30W Class D
• Max SPL: 90±3 dB @ 1m
• Frequency Response (±3dB): 43 Hz – 20 kHz @ 85 dB/1m
• IP Rating: IP67 waterproof and dustproof
• Operating Temperature: -20°C to 45°C
• Sustainability: 20–90% post-consumer recycled plastic (non-electronic components)
• Bluetooth Version: 5.4
• Bluetooth Codecs: aptX Adaptive, SBC, AAC
• Wired Connectivity: USB-C for charging and playback
• Speakerphone: With noise and echo cancellation
• Fast Pairing: Google Fast Pair, Microsoft Swift Pair
• Supported Resolutions: aptX Adaptive and USB-C up to 48 kHz / 24-bit
• Stereo Pairing: True Wireless Stereo (TWS)
• Multi-Speaker Pairing: Auracast™ supported
• Battery Playtime: Up to 24 hours
• Charging Time: 2 hours (with 20V 1.5A charger)
• Fast Charging: 15-minute charge = 3 hours playtime
• Finishes: Silver Dusk, Amber Haze, Orange Moon, Blue Aura, Moss Green, Cocoa Brown, Midnight Black

KEF MUO Q&A

Is the KEF MUO waterproof?

Yes, it’s IP67 rated, making it both waterproof and dustproof for reliable use in any environment.

How long does the battery last?

The MUO offers up to 24 hours of playtime at moderate volume and supports quick charging—3 hours of play from a 15-minute charge.

Can I pair two MUO speakers for stereo sound?

Absolutely. MUO supports True Wireless Stereo (TWS) for left and right channel pairing, plus Auracast™ for linking multiple speakers.

What Bluetooth codecs are supported?

MUO supports aptX Adaptive, AAC, and SBC for high-quality audio streaming.

Does it have a built-in microphone for calls?

Yes, the speaker has a built-in microphone with noise and echo cancellation for clear voice calls.

Can I connect it to a laptop via cable?

Yes, it features USB-C for both charging and wired playback with your laptop or other compatible devices.

What materials is the speaker made from?

The MUO uses premium aluminium and recycled plastic (20–90% by weight in non-electronic parts), blending sustainability with performance.

What app does it use for control?

The KEF Connect app allows you to adjust settings, update firmware, and manage speaker functionality from your phone.