Enhance your speaker's performance with this multi-use speaker port tube sponge. Designed to fit a variety of speaker models, it helps to control air movement within the speaker cabinet, resulting in improved sound quality. This practical accessory is ideal for both professional audio setups and DIY projects. Features -Color:Black -Material:sponge -Size:6.00X6.00X5.00cm/2.36X2.36X1.97in -Improved sound quality: the speaker port tube sponge enhances the sound quality of your speakers, providing a better audio experience -Noise reduction: featuring a reflex port design, this bass speaker air vent sponge effectively reduces unwanted noise, allowing clearer sound -Solid materials: crafted from solid sponge material, this round reflex port tube sponge is sturdy and -Easy installation: the set includes two sponges, making it easy to replace and install, allowing your speakers are always performing great -Enhanced bass reflex: by increasing the bass reflex port, this sponge improves the bass performance of your speakers, delivering a richer and deeper sound Package list: 2 x port tube sponges