When I first heard of Atlantic Technology, I was learning about THX and Dolby Pro-logic. This was the days before 5.1 digital. Then they went quiet. Here's a new set of speakers where they have re-invented the transmission speakers. Check it out:
Source: www.soundandvisionmag.com
http://www.soundandvisionmag.com/stereo/2010/09/test-report-atlantic-technology-1-h-pas-speakers