Yes they're Revelator ring radiators.those are scanspeak revelators correct?
what kind of active/dsp setup is backing that up? also its interesting to think you have $700 (probably more in europe due to VAT) sitting in an easily unscrewed place (if theyre philips), id put some allen wrench heads in there for sure for anti theft
I've since changed them to Air Circs which work better in those positions (as they're a bit off-axis).
The entire A-pillar is only clipped in, so with a bit of force can be taken out quickly and easily. They're not terribly visible from outside the car (unless you know what you're looking at).
I run an Alpine H900 processor for my system.
Build thread for it can be seen here:
As a note i'm from Australia, we drive on the right side of the road too