Dynaudio Evoke 20 Bookshelf SpeakerEvoke 20 Its true that you cant have too much of a good thing. Try as you might, some good things just wont fit in your living room but Evoke 20 will. Evoke 20 is a full size stand mounted speaker designed for almost any sized space. Its powerful 18cm mid bass driver ensures it can flex its muscles when theres heavy lifting to be done, while its 28mm soft dome tweeter takes care of the fine detail. And, of course, its Danish design looks fantastic