Feature-Powerful Versatile - With a 52mm inner hole, this tube fits 6-8 inch speakers, ensuring compatibility and sound performance.; Advantage-Smooth Airflow - 72mm opening hole enhances airflow, reducing turbulence and enhancing audio clarity for a top-notch listening experience.; Benefit-Bass Boosting - Specially designed to overpower airflow noise and enhance bass with coherent sound pressure, ideal for audio enthusiasts.; Durability-Sturdy Construction - Made from materials ensuring usage and consistent performance, suitable for all environments.; Evidence-Trusted Quality - Demonstrated efficiency and durability, proven by extensive use in inverter type speakers, endorsed by satisfied customers.

What's in the box
1 x Speaker Replacement Parts