This is the adapter i used. Still confused...
http://cgi.ebay.com/New-Monster-2-5-Mini-to-Optical-Optic-Toslink-Adapter_W0QQitemZ220644555313QQcategoryZ32838QQcmdZViewItemQQ_trksidZp4340.m263QQ_trkparmsZalgo%3DSIC%26its%3DI%252BC%26itu%3DUCI%252BIA%252BUA%252BFICS%252BUFI%252BDDSIC%26otn%3D13%26pmod%3D370418866102%26ps%3D63%26clkid%3D6241498573553112923
http://cgi.ebay.com/New-Monster-2-5-Mini-to-Optical-Optic-Toslink-Adapter_W0QQitemZ220644555313QQcategoryZ32838QQcmdZViewItemQQ_trksidZp4340.m263QQ_trkparmsZalgo%3DSIC%26its%3DI%252BC%26itu%3DUCI%252BIA%252BUA%252BFICS%252BUFI%252BDDSIC%26otn%3D13%26pmod%3D370418866102%26ps%3D63%26clkid%3D6241498573553112923