Review: KEF Muo Bluetooth Speaker

Impressive audio, with tight, controlled bass. Beautifully made aluminum body. 24-hour battery. USB-C audio makes it a great hi-res desk speaker too. IP67 rating. Bluetooth 5.4 with aptX Adaptive and Auracast support.

The original KEF Muo launched back in 2015 and felt like a turning point in portable hi-fi. Serious, designer Bluetooth speakers from a respected hi-fi brand were rare back then—with only a few brands like Bang & Olufsen and Loewe interested in combining pretty and portable. These early designs were still given the side-eye by most traditional audio. At the time I was impressed by the sound of the original Muo and horrified by the price.

Fast-forward to 2025 and the portable speaker landscape is almost unrecognisable: There are superb portable speakers from the likes of JBL, and Ultimate Ears at a fraction of the cost, plus countless cheap options that still impress ...