A process and kit is provided for retro-installing a speaker enclosure for a wall mounted speaker. The process includes mounting a selected speaker surround member in a building wall between the front and back wall surfaces and between the wall studs and around the opening for a wall mounted speaker and adhesively mounting a selected sheet of vibration dampening material to the back wall surface behind the opening for the wall mounted speaker and attaching a flexible sound absorbent material to the vibration dampening material so that a wall mounted speaker enclosure is installed in an existing building wall.

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> Method and system for attenuating noise from a cabinet housing computer equipment

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