A:AnswerHello and thank you for your question. Even with a frequency response down to 27hz, I would recommend setting the x over to 80HZ and speakers to small. Let the subwoofer take over from there.
A:AnswerThese speakers mount direct to the drywall and do not require any additional mount. The speakers have a swing out arm that rests on the drywall. Very easy to install.
A:AnswerYou can move the tweeter a modest amount to aim the sound direction. Mine are mounted behind the couch in the ceiling and pointed towards the couch