Upgrade your audio experience with our 10PCS GH126 Woofer Speaker Inverter Tubes, designed to enhance the bass performance of 3-4 inch speakers. These tubes are essential for anyone looking to improve their sound system's efficiency and quality. Optimized Airflow: Featuring a smooth inner wall and flared ends, these inverter tubes ensure a seamless and improved airflow. This design minimizes turbulence and enhances the overall sound quality, providing a richer bass experience. Durable Construction: Made from high-quality ABS plastic, these tubes are both sturdy and durable. They are built to withstand regular use, making them a reliable choice for enhancing your speaker system. Enhanced Bass Effect: Commonly referred to as sound tubes or air holes, these inverter tubes are crucial for inverted-phase speakers. They work by suppressing the sound pressure of the airflow within the speaker box and overlapping it with the sound pressure radiated from the front of the speaker, resulting in a deeper bass effect. Perfect Fit: With a total length of 65mm and an opening diameter of 42mm, these tubes are specifically designed to fit 3-4 inch speakers. They provide a precise fit that optimizes performance without any hassle. Easy Installation: Lightweight and portable, these inverter tubes are easy to carry and install. No complicated steps are required, allowing you to quickly enhance your speaker system without any technical difficulties. Transform your audio setup with these high-quality inverter tubes, and enjoy a superior bass performance that elevates your listening experience. Ideal for both personal and professional use, these tubes are a must-have for any audio enthusiast.