In the extremely large, all-sonic-bets-are-off, glass-enclosed Atrium display mounted by Mansour Mamaghani's Audio Reference Munich, Dan D'Agostino, and his indispensable sidekick (aka company President) Bill McKiegan, joined forces with Wilson, dCS, and Perlisten to blow people's minds. When the new Relentless Epic and Relentless Epic 800 mono amplifiers got fired up, it was a case of which dazzled you first, the sound or the sheer enormity and shine of the display.