The bass port blocker is an essential accessory for any audio enthusiast looking to their speaker performance. Its cylindrical shape allows for easy insertion into the speaker port, blocking excess airflow and minimizing distortion. This results in controlled and refined sound, making it for music alike. Features -Color:Black -Material:Sponge -Size:5.30X5.30X5.00cm/2.08X2.08X1.97in -Enhanced sound quality: the sponge plug reduces unwanted noise and vibrations, resulting in a clearer and more enjoyable listening experience -Bass performance: designed to improve bass reflex, the sponge plug enhances the bass response of your speakers -Quick and simple setup: installation is a breeze—just insert the sponge plug into the speaker's air vent and guide hole -Wide range of uses: ideal for use with home speakers, car speakers, portable speakers, subwoofers, and upgraded speaker systems -Universal fit: compatible with various speaker port tubes, bass ducts, and speaker cabinet port tubes Package list: 2 x Speaker Port Tube Sponge Plug