Sony HT-A9 Help Manual page 19

1.
Install the control box on or in a shelf where the front panel display is not covered.
2.
Choose the installation position of the speakers by checking the labels on the bottom of the speakers.
Surround sound can be experienced more effectively by installing the 4 speakers to surround your listening
position and installing the front speakers on both sides of the TV.
If you install speakers as following, perform [Sound Field Adjustment] under [Manual Speaker Settings].
The distances from the TV to the front left speaker and the front right speaker have a large difference.
The distances from your listening position to the 4 speakers are very unbalanced.
Control box
Bottom of the speaker
Front left speaker
Front right speaker
Rear left speaker
Rear right speaker
Note
Before connecting the speaker system, disconnect the AC power cords (mains leads) of the TV and other devices from the
AC outlets (mains). Reconnect them after connecting the speaker system to a TV and AV devices.
If you change the installation position of the speakers, optimize the sound field again by selecting
Settings] - [Speaker Settings] - [Sound Field Optimization].
When the sound from the speakers skips
The sound skipping may be improved by changing the installation position or setting. For details, see "
or noise is generated. ".
Related Topic
[Speaker Settings]
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19
[Setup] - [Advanced
The sound skips