There is a lot of controversy surrounding 8D. However, the 8D bar does not represent a significant risk as there are currently no studies on the dangers of 8D.u003cbru003eu003cbru003e8D is a kind of sound effect. When I listen to an 8D song, it feels like the sound is moving in my head.u003cbru003e u003cbru003e8D music is so distracting that it may not be impressive. Or you can enjoy the relaxing feeling of entering another room with the 8D effect.