Impact Acoustics(?) Wiring System Enclosures are an efficient and effective distribution solution for your home or small office audio/video/telephony/control system. These structured wiring enclosures are the ?home run? point of your system. Available in three sizes to accommodate needs ranging from an apar?ent to a large custom home, these boxes accept Impact Acoustics(?) structured wiring modules. Enclosures feature cable-tie points as well as knockouts for cable entry on top, rear or bottom. A knockout for an electrical ?J? box is provided. Impact Acoustics(?) enclosures can be surface mounted or flush mounted. A matching high-impact plastic cover is included with the boxes to protect enclosed equipment.