In April 2010, Regal launched Regal Premium Experience (RPX), an upgraded theater format. Each RPX theater features a 60-foot screen, dual 30,000 lumen digital projectors, a 7.1 sound system, a Dolby Atmos sound system or an Auro 11.1 sound system with 273 loudspeaker components including eight 21 inch subwoofers.
It's a different or smaller version of IMAX
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