United Kingdom
KEF (Maidstone, Kent, since 1961) turns proper hi-fi speakers into elegant all-in-one wireless systems. The LSX II and flagship LS50 Wireless II are five-star, multi-Award-winning active systems — just add a streaming service for a complete high-end setup.
KEF's Metamaterial Absorption Technology and Uni-Q driver deliver clean treble, distinct mids and tight bass with real instrument separation. Pricier than Sonos, but a genuine step up in fidelity.