DML Speaker - Turning Drywall into a Speaker with Audio Exciters

Using Audio Exciters from Parts Express inside a wall. How will it sound? Is it as good as traditional in-wall speakers? Is it worth the effort and expense? PARTS USED: 8 - Dayton Audio DAEX32QMB-4 Quad Feet Mega Bass 32mm Exciter 40W 4 Ohm - https://www.parts-express.com/Dayton-Audio-DAEX32QMB-4-Quad-Feet-Mega-Bass-32mm-Exciter-40-295-264 4 - Dayton Audio DAEX32EP-4 Thruster 32mm Exciter 40W 4 Ohm - https://www.parts-express.com/Dayton-Audio-DAEX32EP-4-Thruster-32mm-Exciter-40W-4-Ohm-295-230 Speaker Protector Inline High Pass Filter 300 Hz/150 Hz (aka Bass Blockers) - https://www.parts-express.com/Speaker-Protector-300-Hz-150-Hz-266-200 VIDEOS THAT INSPIRED THIS PROJECT: This is the first video that caught my attention and is very in-depth: https://www.youtube.com/watch?v=CKIye4RZ-5k&list=PLAee1_KLrRBPAT1SN3tz2P-xdpsvm1j9t&index=3 Here is my playlist with a total of 54 other videos (and growing) all of which cover great projects with Audio Exciters. All of which seem to have impressive results: https://www.youtube.com/playlist?list=PLAee1_KLrRBPAT1SN3tz2P-xdpsvm1j9t