Gain in the bass frequencies will increase 6 db and that s significant.
Mounting in wall speakers in a box.
This causes transmission of sound through the exterior wall into the other room.
Consider in wall or in ceiling speakers that have a back box to limit the sound that leaks through.
Inwall speakers and inceiling speakers typically do not need to have boxes built or spaces constricted.
Mounting a speaker in a wall which becomes a baffle increases bass.
Used for mounting atlas sound grilles on 8 speakers the 193 8 6 can be used for ceiling or wall mounting in 6 depth applications.
The first option is to build backer boxes for your speakers.
They also keep dust and dirt out as well.
With almost every receiver or pre pro now employing auto eq those frequencies boosted by the boundary effect can be pulled down so the response is the desired flat greatly increasing headroom lowering speaker distortion and using the power at those frequencies.
Back boxes improve bass response by providing a sealed enclosure around the speaker.
Installing your new speakers cutting drywall and mounting the speakers.
The back of an in wall or in ceiling speaker which goes into the wall is not shielded or covered.
Gang or two gang electrical box opening into the wall behind your equipment rack then drill a hole from the stud bay you ve opened up through the floor plate for first floor or the top plate to run the wire into the basement or attic.