Amazon.com: Sonic Acoustics Soundproofing High-Density Studio Isolation Pads, Acoustic Foam Panels, Acoustic Panels For 5 Inch Monitors, Pair Of Rubber Base That Prevents Vibrations, 1.8" X 8" X 12", Pack of 2 :
How to Repair Your Speaker - Replace the Foam Surround (Refoaming). - do-it-up.com
Amazon.com: Sonic Acoustics Soundproofing High-Density Studio Isolation Pads, Acoustic Foam Panels, Acoustic Panels For 5 Inch Monitors, Pair Of Rubber Base That Prevents Vibrations, 1.8" X 8" X 12", Pack of 2 :