Какво означава Кеф?

To rejoice KEF’s fiftieth anniversary, a completely new basic LS50 was born in 2012. With numerous technological breakthroughs, LS50 took the first LS3/5a studio watch notion and brought it to the lounge.Сигурно си си направил кефа вчера, но утре твоята конюшна ще бъде моя.Please Take note t