Performance of ClearSonic Drum Shields, IsoPacs, and Amp Shields

How well do drum shields work?  How well does the Isopac B reduce volume?  How does an AmpPac effect the sound from a guitar amp?  

Watch the videos below to see how our products perform:

How well does the Clearsonic IsoPac A and B reduce the drum sound?  

How does the ClearSonic AmpPac 10 and 11 change the sound from a guitar amp? 

 Hear the venerable Joe Bonamassa's take on his signature ClearSonic JB-4 amp shield: