If you connect the optical output to a Dolby digital AMP, you can listen to better sound.
Dolby Digital AMP
L
Surround L
BACK OF THE TV SET
INPUT
HDMI 1
HDMI 2
OPTICAL
DIGITAL
AUDIO
PC INPUT
PC AUDIO
Optical output
Woofer
Connect with the
Dolby Digital AMP
AV1
COMPONENT
Pr
Pb
Y
R - AUDIO - L
I
N
P
U
T
Center
19
AV2
R
Surround R