Most Bang & Olufsen audio systems' designs virtually beg for attention in the living room. The company's just-launched combo of two BeoLab 15 satellite speakers, a BeoLab 16 subwoofer and an Amplifier 1 is very nearly designed for the opposite. The entire array can hide in the walls or ceiling, and juts out only when it's tilting to direct sound to a specific area. The Amplifier 1's 195W of total output won't produce the most thundering sound, but this is one time when subtlety is arguably the greater value -- i