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HiTech Upgrades is a proAV (audio/video) design and construction firm specializing in high-end residential and light commercial work.  He...
HiTech Upgrades is a proAV (audio/video) design and construction firm specializing in high-end residential and light commercial work.  Headquartered in Severna Park, MD near Annapolis, HiTech Upgrades (HTU) offers expertise in architectural speakers (in-wall and in-ceiling) plus HDTV wall mounting, outdoor audio, multi-room amplification, unified remote control, and other AV technologies.
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