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
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