This type of speaker needs precise adjustment through the settings of the TV or playback device, so that it has the ability to read the reception and transmission of sound waves through very precise settings. When operated via fast settings, it is quickly damaged.،It is preferable to operate it if it has not been damaged using an operating device suitable for the model year, for example the model of manufacture in 2014, 1015, 2016.... Make sure to lower the volume moderately and purchase an original cable for display.