I too belong to the first group.
Hair shirts make me itch...!!
The 6 speaker fitment in the Plus 8 is really good: Tweeters on the dash, mid range speakers in the usual place and large eliptical speakers behind the seats. I don't know if there is an aux amplifier, but the volume levels possible, before distortion, are almsot anti-social.
Mind you the exhaust can be even louder...