Sony HT-DDW990 - Manual (Page 18)

18 US
To connect the speakers
correctly
Check the speaker type by referring to the
speaker label* on the rear panel of the
speakers.
* The center speaker and sub woofer do not have any
character on the speaker label. For details on the
speaker type, see page 3.
Tip
Use the supplied speakers to optimize the system’s
performance.
Character on
speaker label Speaker type
L Front left
R Front right
SL Surround left
SR Surround right