- The speaker inverting hole, also called the sound tube and the air hole, is often used in the inverted-phase speaker, mainly to suppress the sound pressure of the airflow vibrating in the box and overlap the sound pressure radiated in front of the speake
- The total length of the inverting tube is 65mm, and the opening diameter of the speaker shell is 42mm.
- Made of ABS plastic, it is sturdy and durable. Suitable for 3-4 inches speakers.
- Lightweight and easy to carry. Easy to install, no complicated steps are required.
- The inner wall is smooth and the two ends are flared. The airflow is very smooth and obviously improved.
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