cm8CM8 · N-[(1S,2R)-1-benzyl-2-hydroxy-3-propyl]-3-(1,1-dioxido-1,2-thiazinan-2-yl)-5B&W; CM8 Floorstanding Loudspeaker Introduction. B&W is one of the oldest and most respected speaker companies in the world. They have earned a well-deserved reputation