Speaker Grill Covers - 2Pcs Set. Don’t compromise on your speakers’ protection and appearance. MPN: Speaker_Grill_Covers Grill Size: 4x6in. Type: Grill. 2 of 4" x 6" Speaker Grill Covers. Designed to enhance the longevity of your speakers while providing an attractive cover, these grills are a must-have for anyone looking to combine elegance with functionality.