You can only use one cable if you have an A/V receiver. If you have a separate preamp and amp you will have to do this! It gives you all the options you will need!
https://system.na1.netsuite.com/core/media/media.nl?id=69175&c=3634088&h=a2a627c5bd0810a8a24...
https://system.na1.netsuite.com/core/media/media.nl?id=69175&c=3634088&h=a2a627c5bd0810a8a24...