4.5" 4.5 inch Speaker Foam Edge Surround Rings Replacement Parts for Speaker Repair or DIY 4 pcs - Walmart.com
Replacing the foam speaker surround on my JBL speakers | Jeff Geerling
Amazon.com: Springfield Speaker 6.5" Foam Surround Repair Kit - 2 Speaker Kit - Compatible with Several Dozen Commonly Used 6.5" Speakers of Different Brands and Models Whose Foams Match The Measurements : Electronics
2 12 Inch Speaker Repair Subwoofer Surround Foams Kit for MTX
Foam or rubber surrounds? Change foam for rubber surrounds? - YouTube