LG L204WT User Manual page 6

Using the speakers -
Side Jack
Rear
AUDIO
IN
Speaker Out
<Jack of the PC sound card>
The feature is not available in all models.
*Line Out
Headphone/Earphone Input
Automatically mutes the speaker volume
when the headphones are plugged in.
Audio Input
Connects to the *LINE OUT jack of the
PC sound card.
*LINE OUT
A terminal used to connect to the
speaker including a built-in amplifier
(Amp). Make sure that the connecting
terminal of the PC sound card is checked
before connecting. If the Audio Out of PC
sound card has only Speaker Out,
reduce the PC volume.
If the Audio Out of the PC sound card
supports both Speaker Out and Line Out,
convert to Line Out using the card
jumper of the program (Refer to the
Sound Card Manual).
A5