Bang and Olufsen Celestial BOC 62, 2way, 6.5" In Ceiling Speaker - EachB&O Celestial BOC62 Compact Built in Speaker with Big Sound The smallest model in the Celestial series from B&O is called BOC62. Despite being the smaller model, and having both a modest size and price tag, do not be deceived. Here we have a genuine full blooded HiFi speaker, designed to be mounted directly in the ceiling. BOC62 is equipped with a 6. 5" bass midrange unit with an IMG membrane, mounted in a cabinet with an integrated backbox. Combined