The BeoLab 90 is the newest loudspeaker from Bang & Olufsen. and like most B&O speakers it reflects the audio house’s historical emphasis on visual beauty and design. Each speaker has 18 drivers—seven tweeters, seven mids, and four woofers—powered by 14 ICEpower amps and four additional Class D amps. The combined max output of all those components is whooping 8,200 watts per …