If you want to experience HIFI on a Bluetooth speaker, then KEF's Bluetooth speaker must be the first choice. Founded in the UK in 1961, KEF has made a name for itself with the superior quality of its drive units. At present, KEF has been controlled by Hong Kong Gold Mountain (GP) Industrial Group, and all products are manufactured in Chinese mainland.
 
KEF is currently one of the few audio manufacturers that still have their own innovative technology, and Bose take the same technical flow route, a total of more than 150 patents, drafted more than 50 academic papers, its most famous Uni-Q point sound source coaxial point technology can naturally restore the sound effect, and even can reach the level of traditional speakers can not be surpassed, is the audio industry audiophiles recognized as innovative audio technology. Among many Bluetooth speaker brands, HIFI is rarely used in Bluetooth speakers due to the limitation of wireless transmission, while KEF perfectly combines HIFI with wireless speakers.
 
单论音质，KEF绝对能够位列中上游。MUO是目前KEF出售的两款蓝牙Speakers之一，它是《消费者报告》中推荐购买的产品。其外表继承有源音响MUON的线条设计，音质较柔和，无线和有线模式几乎没有差别。相较于同级别的单声道产品B&O A1，MUO更能体现其自然的声音水平，在音质方面更胜一筹。
 
The other GRAVITY ONE is designed by Porsche, featuring a high-end Bluetooth speaker with a built-in KEF micro Uni-Q driver and a full-range driver for omnidirectional sound coverage, especially with a vibration-cancelling dual bass auxiliary radiator on the back, which can cancel out most of the unwanted vibrations to eliminate sound distortion. Compared to MOO, both the appearance and the bass are superior.
 
In terms of price, MUO is 2098 yuan, and GRAVITY ONE is 3498 yuan. KEF's users are all HIFI enthusiasts, and the audience is relatively narrow, so the product is cost-effective. If it is a regular consumer, other brands in the same price range will be more worth buying.