Enhance your audio system with our 4PCS Woofer Speaker Inverter Tubes, designed to optimize sound quality for 4-6 inch speakers. These tubes are essential for achieving a deeper, more resonant bass effect, making them a perfect addition to any audio setup. Versatile Sound Enhancement: These speaker inverting holes, also known as sound tubes or air holes, are specifically designed for use in inverted speakers. They effectively channel the sound pressure from the airflow vibrating inside the speaker box to overlap with the sound pressure radiated from the front, creating a powerful bass effect. Premium Construction: Made from high-quality ABS plastic, these tubes are both sturdy and durable. The smooth inner wall and flared ends ensure optimal airflow and longevity, providing consistent performance over time. Improved Airflow: The design of these tubes allows for exceptionally smooth airflow, significantly enhancing the sound quality. This improvement results in a clearer, more dynamic audio output, perfect for music enthusiasts and professionals alike. Perfect Fit for 4-6 Inch Speakers: With an opening of 42.5mm and a length of 80mm, these tubes are ideal for 4-6 inch speakers. They are engineered to fit seamlessly into your existing setup, enhancing the overall sound experience. Compact and Easy to Install: Lightweight and compact, these tubes are easy to carry and install. Whether you're upgrading your home audio system or setting up a professional sound environment, these tubes offer a hassle-free installation process. Upgrade your audio experience with these high-performance woofer speaker inverter tubes. Designed for both personal and professional use, they are a must-have for anyone looking to enhance their sound system with deeper, richer bass.