Specification:
Item Type: Inverted Tube
Total Length: Approx. 65mm/2.56in (as picture)
Speaker Housing Opening Diameter: Approx. 42mm/1.65in (as picture)
Features:
1The inner wall is smooth and the two ends are flared. The airflow is very smooth and obviously improved. 2Made of ABS plastic, it is sturdy and durable. Suitable for 3-4 inches speakers. 3The 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 speaker to produce a bass effect. 4The total length of the inverting tube is 65mm, and the opening diameter of the speaker shell is 42mm. 5Lightweight and easy to carry. Easy to install, no complicated steps are required.
Package List:
10 x Inverted Tube
