Whether you're upgrading your car's audio system or enhancing your home theater setup, this speaker port tube is the practical choice. Its innovative design reduces unwanted noise and distortion, ensuring a clean and powerful sound. Easy to install, it seamlessly fits into various speaker cabinets, making it a versatile choice for any audio project. Features -Color:Black -Material:Plastic -Size:11.80X5.40X5.40cm/4.64X2.12X2.12in -Sturdy plastic construction: made from durable plastic, these speaker port tubes are designed to withstand regular use and provide performance -Practical sound quality: the innovative design enhances audio quality, delivering clear and powerful sound with improved bass response -Versatile applications: ideal for use in car speakers, stage audio systems, and home entertainment setups, offering a wide range of uses -Bass enhancement: these tubes are designed to guide sound efficiently, significantly boosting the bass output for a richer audio experience -Multiple tubes included: each set comes with several speaker port tubes, providing great value and ensuring you have enough for different applications Package list: 4 pcs x 5pcs x speaker air guide