A 2-in-1 laptop/tablet with full 360° folding capabilities. Contains a 2.00GHz i7-5500U processor and was released in 2015 with model number 80JH000WUS.
The speaker is most likely blown. Blown speakers are a common thing for when music/sound is too loud for the speaker to handle. The only way to get the quality sound again is to replace the speaker. Unscrew the back of the device. Then locate the speakers and replace it.