4 Pcs Speaker Port Tube Sponge 55mm Diameter 50mm Height Speaker Guide Tube Bass Air Duct Sponge Plug

Feature: 1. [Main Function] The speaker port tube sponge can minimize standing waves caused by speaker vibrations, reduce wind noise and buzzing sounds, effectively improving mid bass sound. 2. [Enhance Bass Response] The port tube sponge plug provides better bass reflection effect for speakers, enhancing the bass response of many types of speakers. 3. [Universal Compatibility] The speaker guide tube sponge is suitable for improved speakers, home speakers, car speakers, portable speakers, subwoofers. 4. [Easy Installation] Simply insert the sponge into the speaker port tube to enhance sound quality. The Diameter is 55mm and the height is 50mm. 5. [Choose Right Sponge Size] The Diameter of the sponge should be slightly 5mm larger than the inner Diameter of the speaker port tube, so that it can be stably stuck in the port tube. Specification: Item Type: Speaker Port Tube Sponge Material: Sponge Diameter: Approx. 55mm 2.17in Height: Approx. 50mm 1.97in Note: Manual measurement, may have slight error. Package List: 4 x Speaker Port Tube Sponge Note: The sponge is produced by stamping process, and slight dimensional errors in the product are normal.