Submitted by Volker.Berlin on November 15, 2011
"The exceptional roominess afforded by the Flat-Pack comes in handy when rocking out to the Model S’s home brewed sound system. I swore it was a Bose at first, but Tesla built it in-house, and it’s got some serious thud."
This was news to me and I am not yet sure if I'm going to believe it. But it is the latest and most explicit information on the audio system we have so far.