Assertion: subwoofer | /r/CapableOf | face each other
Facets:
Source sentences:
text: An unusual example of manifold subwoofer design is the Thomas Mundorf (TM) approach of having four subwoofers facing each other and sitting close together, which is used for theatre in the round shows, where the audience surrounds the performers in a big circle (e.g., Metallica has used this in some concerts).