2007 Stereo questions

[mcneil141]

Hi folks, newbie here Great forum.

I just bought a 2007 H2 lux and want to add a subwoofer. I don't want to replace the whole system. A couple of questions, please.

1. Is the 2007 Bose stereo the same as the 2006?

2. Do the rear speakers get a full range output, and can they be used as a line level source for my sub amp?

3. If I can't use the rear speakers as a source, what interface will work with my 2007 to get an RCA output? The AOEM-GM24?

TIA,
Andy