Audiovox CNPSON1 Sony Adapter Cable Seamless installation and uncluttered appearance Requires Audiovox CNP2000UC XM Direct 2 Car Kit and XM subscription for full service CNPSON1 Harness cable for Sony satellite radio-ready head unit Programmable software design Seamless installation and uncluttered appearance Requires Audiovox CNP2000UC XM Direct 2 Car Kit and XM subscription for full service 1-year warranty