For the tour, U2's sound system has been moved to the venue ceilings and arranged in an oval array in hopes of improving acoustics by evenly distributing sound throughout the arena.
U2's sound system has been moved to the venue ceilings by evenly distributing sound throughout the arena. This was for the tour. U2's sound system has been arranged in an oval array in hopes of improving acoustics by evenly distributing sound throughout the arena. This was for the tour.