$50 each Insanely effective. Built the absolute sh*t out of these. Can't even hear the bass player. Roughly 48x24x14. Charging way less than the materials. Acoustic caulk in all seams, 3" safensound insulation with cotton duck wrap. Air channel ~5" whipser room, sound insulation, acoustic panels, baffles, audio booth, sound booth, voice over, noise reduction, soundproofing, soundproof Seller information Hari Seldon