Sony VAIO Digital Studio PCV-RX490TV Quick Start Manual page 23

3 Plug the jack end of the speaker power cord into the DC IN jack on the back
of the right speaker and plug the other end into a grounded AC wall outlet or
power strip.
Connecting the speakers
Setting Up Your Computer
LINK
SERIAL
PRINTER
i.LINK
S400
HEADPHONES GAME
LINE IN
MIC
23