This speaker port tube is practical for those who want to take their audio setup to the next level. Its innovative design promotes better airflow, which is important for achieving sturdy sound. The tube is compatible with a wide range of speaker systems, making it a versatile choice for any audio project. Enjoy clearer, more powerful sound with this essential accessory. Features -Color:Black -Material:ABS -Size:7.90X5.80X5.80cm/3.10X2.28X2.28in -Optimal audio performance: the 40 mm speaker port tube ensures optimal sound quality, enhancing your audio -Deep bass enhancement: the subwoofer tube design boosts lowfrequency sounds, providing a richer bass experience -Versatile usage: suitable for different speaker brands and setups, it meets various audio needs -Easy to use: with a installation process, this product is practical for diy projects and use -Sturdy construction: made from sturdy materials, it ensures durability and consistent performance Package list: 10pcs x speaker sound guide