Description This speaker air port tube is designed to enhance audio performance by optimizing airflow within speaker systems. Its sleek and great construction ensures long-lasting use, making it a reliable component for various audio setups. Ideal for car speakers, home audio, and stage sound equipment, it delivers improved sound clarity. Features -Color:Blue -Material:Plastic -Size:16.00X11.00X11.00cm/6.29X4.32X4.32in -Subwoofer port: designed to amplify low-frequency sounds, this speaker port tube enhances bass clarity, delivering a richer and more immersive audio experience -Improved sound quality: effectively reduces distortion and muddiness in low tones, ensuring a cleaner and more precise sound output for your car audio -Speaker Port Tubes: suitable for various car speaker systems, this port tube is a versatile upgrade for enhancing your car entertainment setup -great construction: made from great materials, this port tube resists wear and tear, ensuring longlasting performance and reliability -Easy installation: no professional tools or skills required; this port tube can be quickly installed, allowing you to enjoy improved sound quality in no timePackage list: 4 x speaker voice tube