Do not select non TTS voices such as:
You can remove them from the voice directory.
It looks like the TTS engine you are using only works with a particular TTS voice and that voice doesn't have configuration for TTS Pro. I'm using VocalizerEx and Google voice and they works with the voice I told you to use.
Update: I think your sys.txt file is overriding TTS Pro setting used in the voice file. Use this sys.txt instead