Elevate your audio experience with our 8pcs Speaker Port Tube Sponge, designed to enhance bass response and reduce noise in sound boxes and speaker cabinets. Perfect for audiophiles and casual listeners alike, these sponges are essential for achieving superior sound quality. Improved Sound Quality: Our speaker port tube sponges are crafted to reduce standing waves caused by speaker vibrations. This reduction effectively diminishes wind noise and humming, resulting in a clearer and more immersive mid and bass sound experience. Enhanced Low Frequency Response: Specifically designed to provide better bass reflex effects, these air duct plugs significantly improve the low frequency response of a wide range of speakers. Enjoy deeper, richer bass that transforms your listening experience. Wide Compatibility: These versatile sponge plugs are suitable for various types of speaker enclosures, including modified sound boxes, home speakers, car speakers, portable speakers, and PA DJ subwoofers. No matter your setup, these sponges are designed to fit seamlessly. Selection: For optimal performance, choose a sponge diameter that is slightly larger, by about 5mm, than the inner diameter of your speaker port tube. This ensures the sponge plug is securely held in place, providing a stable and effective sound improvement solution. Simple Installation: Installing the speaker bass air duct plug is straightforward and hassle-free. Simply select the appropriate sponge size based on your speaker's port tube dimensions and insert it into the end of the speaker port. Enjoy enhanced sound quality with minimal effort. Upgrade your sound system today with our Speaker Port Tube Sponge set and experience the difference in sound clarity and bass response. Ideal for any audio setup, these sponges are the key to unlocking the full potential of your speakers.