Please check the speaker cable, check the hdmi cable, optical cable, still not working bring it to service center producing the result to you
There are two types of speakers
1. DOLBY ATMOS OVERHEAD SPEAKERS
2. DOLBY ENABLED SPEAKERS
DOLBY ATMOS OVERHEAD SPEAKERS
These speakers are unlike others speakers have specific dimension and construction to
Give you the required result, best atoms overhead speakers comes with tilt able tweeter
Inside that gives direction on higher frequencies delivered.
DOLBY ENABLED SPEAKERS
These speakers are placed above the tower speakers or front speakers that basically works on
Reflection. However loss on reflection is inevitable by absorption of the ceiling material used.