KEF Muo HiFi Portable Bluetooth Speaker

The KEF Muo is a high-fidelity portable Bluetooth speaker built for everyday listening, travel, and outdoor use. Compact enough to slip into a bag, Muo delivers balanced sound with impressive weight and control for its size, supported by KEF’s Music Integrity Engine digital signal processing. With an IP67 dustproof and waterproof rating, a long-lasting rechargeable battery, and flexible wireless and USB-C playback, Muo is designed to go anywhere without compromising on clarity. Key Features Bluetooth 5.4 wireless streaming with aptX Adaptive, AAC, and SBC codec support IP67 dustproof and waterproof construction for travel and outdoor use Up to 24 hours of playback on the built-in rechargeable battery True Wireless Stereo pairing for dedicated left and right channel playback with two speakers Auracast support for pairing with other compatible wireless speakers USB-C for charging and music playback from a computer, plus speakerphone support via Bluetooth or USB-C KEF Connect and Muo apps for setup, pairing, and EQ adjustments Built-in speakerphone with noise and echo cancellation Carry strap included for easy portability Sound and Use Case Muo is engineered to provide well-balanced sound with output that feels substantial without sounding bloated. Its driver design and KEF digital processing help maintain clarity across a wide range of music styles, and app-based EQ makes it easy to tailor the presentation for different situations. For podcasts and voice-forward content, you can adjust tonal balance to emphasize midrange articulation and intelligibility. For bigger spaces, two Muo speakers can be paired for True Wireless Stereo, delivering a wider soundstage with more separation and scale. Auracast support also enables multi-speaker playback with compatible devices, making Muo a flexible option for gatherings and multi-speaker listening. Technical Specifications Driver Configuration 3/4 inch dome tweeter, 2-1/4 x 4-1/2 inch cone woofer Drive Units HF 20 mm, MF/LF 58 x 117 mm supported by P-Flex Amplification 40 watts RMS total (HF 10W Class D, MF/LF 30W Class D) Maximum SPL 90 ±3 dB at 1 m Frequency Response 43 Hz to 20 kHz (±3 dB, measured at 85 dB/1 m) Bluetooth Bluetooth 5.4 Supported Bluetooth Codecs aptX Adaptive, AAC, SBC Supported Resolution aptX Adaptive up to 48 kHz/24 bit, USB-C up to 48 kHz/16 bit (source dependent) Wired Connectivity USB-C (charging and playback) Speakerphone Yes, with noise and echo cancellation Wireless Pairing True Wireless Stereo (TWS) stereo pairing, multi-speaker pairing supported by Auracast (compatibility depends on source device) App Support KEF Connect and Muo apps for setup, pairing, and EQ Fast Pairing Google Fast Pair, Microsoft Swift Pair Dust and Waterproof Rating IP67 Battery Playtime Up to 24 hours (moderate volume level) Charging Time Fully charged in 2 hours (based on a 20V 1.5A charger) Quick Charge Up to 3 hours playtime in 15 minutes (moderate volume level) Operation Temperature -20°C to 45°C Sustainability Plastic components comprise post-consumer recycled materials Dimensions (W x H x D) 3.25 x 8.5 x 2.38 inches Dimensions (H x W x D) 216 x 82 x 59 mm (8.5 x 3.2 x 2.3 inches) Weight 1.6 lbs (740 g) Color Midnight Black, Blue Aura or Silver Dusk Warranty 2 years parts and labor (3 years with product registration) What’s in the Box KEF Muo portable Bluetooth speaker Carrying strap (pre-installed) 39 inch USB-C cable Quick Start Guide Important Safety Information Warranty Information Owner’s manual