SRS's sound effects engineer is famous for the sound effects from the Philips chip era. Whether it can be turned on or not varies from person to person. SRS can increase the surround feeling of listening to songs, but it also has its disadvantages, that is, the distortion of the song becomes worse after it is turned on. big. If you like the sound coloration, you can turn it on. If you just like the original music, it is recommended not to turn it on.