The KEF Muo is a portable Bluetooth speaker that brings the acoustic philosophy of one of Britain's most respected loudspeaker manufacturers to a form factor small enough to slip into a bag. Designed in collaboration with the Welsh industrial designer Ross Lovegrove, the Muo's sculptural aluminium shell takes direct inspiration from KEF's award-winning Muon floorstanding speaker, translating its organic curves into a compact, carry-anywhere format.
At the heart of the Muo is a 20 mm dome tweeter paired with a 58 x 117 mm racetrack mid/bass driver fitted with KEF's P-Flex surround, a pleated design adapted from the company's subwoofers that allows precise cone movement for deep, controlled bass. The arrangement delivers a frequency response that extends down to 43 Hz, unusually deep for a speaker of this size, underpinned by 40 watts of Class D amplification split between the drivers (10 W to the tweeter, 30 W to the mid/bass unit) and managed by KEF's Music Integrity Engine signal processing. The result is a speaker that maintains composure and detail across a wide listening volume rather than sacrificing quality once pushed.
Connectivity is provided via Bluetooth 5.4 with support for aptX Adaptive, AAC, and SBC codecs. A USB-C port doubles as a charging connection and a digital audio input capable of handling files up to 48 kHz/16-bit. Two Muo speakers can be paired together for true wireless stereo playback, and the unit supports both Google Fast Pair and Microsoft Swift Pair for quick device connection. Battery life is rated at up to 24 hours at moderate volumes, with a fast-charge function providing three hours of playback from just fifteen minutes on charge and a full recharge taking around two hours. A built-in microphone with noise and echo cancellation lets the Muo double as a speakerphone over Bluetooth or USB-C, and the KEF Connect app adds EQ presets and speaker settings.
The Muo is IP67 dust and water resistant, making it a genuinely practical outdoor speaker. Available in seven finishes; this one is Silver Dusk, which gives the aluminium body a refined, light tone that works equally well outdoors and at home.