Bang & Olufsen make some of the best smart speakers around, and the Beosound A1 is our pick of the best portable speakers. Now it's got a new bigger sibling, the Beosound A5, and if it sounds as ...

In the first scene of Back to the Future, [Marty McFly] visits the unoccupied laboratory of [Doc Brown]. Seeing an 8-foot-tall speaker connected to a huge array of amplifiers, [Marty ...