Speaker Foam Uxcell 3" 3 Inches Edge Surround Rings Replacement Parts For Speaker Repair Or DIY 4pcs 3 Inch Speaker Repair Ring If you've got speakers with worn-out foam edges, these replacement surround rings are exactly what you need to bring them back to life! These black foam rings are designed for 3-inch speakers with an inside diameter of 47mm and outside diameter of 75mm Speaker Surround Replacement Foam 2-Piece 3-Inch Speaker Foam Edge Repair Kit For Harman/JBL Bass Speakers - Refoam Your Woofers Easily Speaker Foams This subwoofer grommet is an alternative to perforated subwoofer surround sound rings, you can choose the right size to repair or DIY your speakers according to your needs, allowing you to enjoy the music The rubber speaker foam edge surround ring is mainly used for home audio repair and DIY, Widely used in home speakers, outdoor speakers, shopping mall speakers, and portable small speakers This speaker edge ring is made of rubber and foam, which is flexible and durable, which can protect the speaker well Clean the edge of the speaker, and then apply glue to the speaker surround ring and fix it on the speaker