How are you attempting to change the properties of the effects? via the Audio Mixer or via the ECW (Effects Control Window. If you are using the mixer, then try using the ECW to see if it helps and vice-versa. Also, if you could post a screenshot or email it to me, it would give us a better idea of what you are trying to accomplish.
premiere @ asvideoproductions dot com
Aanarav Sareen
Adobe Certfied Expert, Premiere Pro
https://www.asvideoproductions.com/video