And by the way, the Signature IIIs have four tweeters, two rear-firing, and not just two as you stated. Here’s some information on the rear-firing tweeters from the owner’s manual:
I never said whether it had 2, 3, 4, or 10 tweeters, I said it had bad integration of the two tweeters. The rear tweeter is not integrated. The front two are ....or are supposed to be. However, what resulted was a bit of a disaster.