If it's connected to the TV directly via HDMI then check the firestick audio menu. You may need to change the audio output type.
If it's not connected tot he TV directly then it's more complex and depends on exactly how and what it's connected to.
If it's connected to the TV directly via HDMI then check the firestick audio menu. You may need to change the audio output type.
If it's not connected tot he TV directly then it's more complex and depends on exactly how and what it's connected to.