KEF Muo Bluetooth Speaker: Portable Hi-Fi

Chris Haslam Gear Mar 5, 2026 7:00 AM Review: KEF Muo Bluetooth Speaker Is a $250 Bluetooth speaker worth it? If it's this one made by KEF, it just might be. Buy Now Multiple Buying Options Available $250 at Amazon $250 at KEF Save this story Save this story Rating: 8 /10 Open rating explainer WIRED 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. TIRED Minimal app controls. Auracast compatibility remains limited. No Wi-Fi. 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. Coming in at $100 more expensive than WIRED’s favorite Bluetooth speaker, the JBL Flip 7 , the new KEF Muo had its work cut out, but after living with it for a month, I’m starting to appreciate where the extra investment goes. Flawless Looks The Muo’s aluminum chassis is a flawless, curved triangular prism. The join-free tubing is impressively machined, and the grille design—inspired by the totemic $225,000 KEF Muon speakers , to give you an idea of the high end of this brand—draws the eye nicely. Measuring 8.5 × 3.2 × 2.3 inches, and weighing 1.6 lb, it is a little heavier than the competition, but has a typical Bluetooth speaker form factor. This is a speaker you can tune to your outfit. I received “Moss Green” and ...