Why is the subwoofer only emitting bass? Shouldn't it emit other audio frequencies or emit audio similar to the soundbar?
What is a subwoofer?
The subwoofer is a type of speaker that only produce low-frequency audio (20-200 hertz) that the soundbar can't normally reproduce. Some examples are low frequencies sound from instruments such as the kick drum, bass guitar, and pipe organ, as well as movie sound effects like explosions. Subwoofer allows you to feel the sound and impact. By design, subwoofer will not be able to produce higher frequency audio but by working together with the soundbar, the unit is able to produce a great sound experience.
It is not a defect for the subwoofer to only produce low-frequency audio/bass.
Click here for further information on pairing the soundbar and subwoofer