4DX

4DX (Four-Dimensional eXperience) is a 4D film presentation system developed by CJ 4DPlex, a subsidiary of South Korean theater chain CJ CGV. It allows films to be augmented with various practical effects, including motion-seats, wind, strobelights, snow, water, and scents. First used in 2009, it presents films in both stereoscopic 3D and monoscopic 2D formats.

CJ has licensed the technology worldwide. As of September 2019, CJ 4DPlex operates 680 4DX theaters in 65 countries through collaborations with more than 80 theaters, including AMC Theatres, Regal Cinemas, Cineworld, Event Cinemas, Cinépolis, Wanda Cinemas, Cineplex Entertainment, Kinepolis, Village Cinemas, and Nu Metro. The company recorded an annual growth rate of more than 50 percent from 2013 to 2018.