Santa Barbara-based wireless, multi-room music streaming hardware firm Sonos has added a linked to XM's SiriusXM Internet radio service, the company announced this morning. Sonos said that current XM subscribers can now stream SiriusXM to the Sonos multi-room music system. Sirius already was available via Sonos, but the firm's XM service has a slightly different mix of channels available. The streaming support requires users to have a $2.99 a month SiriusXM Internet Radio subscription. SiriusXM is one of a number of Internet streaming music services now available on Sonos; the firm also supports services such as Napster, Pandora, Rhapsody, Spotify, and others.