boom-out

This often limits their ability to truly differentiate their ambience from that of the fashion shop next door, which booms out teenybopper music at alarmingly high decibel levels.

这就常常限制了书店将自己的隔壁的时装小店区分开来的能力，而些时装店经常用高分贝的喇叭播放的靡靡之音。