KEF MUO

KEF MUO Portable HiFi Bluetooth Speaker

The KEF MUO is a premium portable Bluetooth speaker that brings audiophile-grade sound into a compact, durable, and beautifully designed form. Engineered with KEF’s acoustic expertise and styled by industrial designer Ross Lovegrove, the MUO delivers rich, detailed audio wherever you go.

Key Features

High-Fidelity KEF Sound
Equipped with a racetrack mid/low-frequency driver paired with a precision-engineered dome tweeter, the MUO provides deep bass, clear vocals, and detailed treble with exceptional balance.

Music Integrity Engine (MIE)
KEF’s proprietary DSP ensures accurate, natural playback across all volumes, maintaining clarity and musicality in any environment.

All-Day Battery Life
Enjoy up to 24 hours of continuous playback on a single charge—ideal for travel, work, or outdoor adventures.

Quick Charge Ready
A fast 15-minute charge gives approximately 3 hours of listening time, keeping the music going even on busy days.

Rugged & Weatherproof
Rated IP67, the MUO is fully dustproof and water-resistant, capable of handling splashes, rain, and tough outdoor conditions.

Modern Connectivity
Features Bluetooth 5.4 with support for aptX Adaptive, AAC, and SBC codecs for high-resolution wireless streaming.

True Wireless Stereo Mode
Pair two MUO speakers for a true left-right stereo soundstage and an immersive listening experience.

Auracast Multi-Speaker Support
Allows multiple MUO speakers to sync together—perfect for parties and large spaces.

Speakerphone Function
Built-in microphone with noise and echo suppression enables clear hands-free calls.

App Control
Compatible with the KEF Connect app for simple EQ adjustments, updates, and device management.

Sustainable Build
Constructed using post-consumer recycled plastics, supporting KEF’s commitment to environmental responsibility.

Sculptural Industrial Design
Designed by Ross Lovegrove with elegant curves and a premium metal chassis inspired by the iconic KEF Muon loudspeakers.

Specifications

• Dimensions: 216 × 82 × 59 mm

• Weight: 740 g

• Drivers:

  • 20 mm high-frequency dome tweeter

  • 58 × 117 mm racetrack mid/low driver with P-Flex surround

• Amplification:

  • 10 W Class D (tweeter)

  • 30 W Class D (mid/low driver)

• Maximum SPL: 90 dB ± 3 dB at 1 m

• Frequency Response: 43 Hz – 20 kHz (±3 dB)

• Bluetooth Version: 5.4

• Supported Codecs: aptX Adaptive, AAC, SBC

• Inputs: USB-C (charging and wired playback)

• Battery Life: Up to 24 hours

• Charging Time: Approximately 2 hours

• Fast Charge: 15 minutes = ~3 hours playback

• Durability: IP67 water and dust resistance

• Operating Temperature: –20°C to 45°C

• Pairing: True Wireless Stereo (TWS), Auracast multi-speaker

• Microphone: Built-in with noise and echo cancellation

• Accessories Included: Carrying strap, USB-C cable, quick-start guide

• Warranty: 2 years standard (extendable for members)