4pcs Speaker Port Tube Sponge Speaker Box Bass Air Port Sponge Speaker Cabinet Port Sponge Diameter 90mm Height 80mm

Feature: 1. Functionality: Speaker cabinet port tube sponge foam reduces standing waves caused by speaker vibrations, minimizes wind noise and hum, enhances mid and low frequency sound quality, and improves overall sound performance. It provides an enhanced bass reflex effect, boosting the bass response for a wide variety of speaker types. 2. Compatibility: Suitable for improved speakers, speaker cabinet, home speakers, car speakers, portable speakers, and PA DJ subwoofer bass speakers. It is designed for use with speaker port tubes, speaker box bass air ports, and speaker cabinet port tubes. 3. Size: The sponge foam measures 90mm in Diameter and 80mm in height (hand measured, slight variations may occur). You will receive a set of 4 speaker port tube sponge foam. 4. Choosing the Right Size: Select the correct foam size based on the inner Diameter of your speaker port tube. The foam Diameter should be approximately 5mm larger than the internal Diameter of the port tube to ensure a secure fit. 5. Easy Installation: Simply select the appropriate size, and insert the sponge foam into the speaker port tube for effective performance enhancement, allowing for a more immersive listening experience. Specification: Item Type: Speaker Port Tube Sponge Material: Sponge Diameter: 90mm 3.5in Height: 80mm 3.1in (There are errors in manual measurement). 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.