Creative SB1560 User Manual page 20

Connecting your A/V Receiver using Line level inputs
If your A/V receiver supports multichannel line-level inputs, you can connect them directly to your audio
device's Line Out jacks instead of the Optical S/PDIF Out connector as shown below.
Jack, Connector or Cable
1 RCA Front Out jacks
2 Rear Out jack
3 Center/Subwoofer Out jack
4 RCA-to-RCA stereo cable (available separately)
5 Stereo-to-RCA cable (available separately)
6 Front Left and Right input jacks of A/V receiver
7 Rear Left and Right input jacks of A/V receiver
8 Center and Subwoofer input jacks of A/V receiver