[Open hole 50 tube]
1. These air inlet pipes are precision crafted, by many experts to ensure high performance based on strict rules.
2. Mainly the sound pressure of the airflow, vibrating in the box and the sound pressure emitted from the front of the speaker, it can produce a bass effect.
3. These speaker phase inverted holes, also known as the acoustic tube or air hole, are usually applied to reverse phase speakers.
4. Airflow is very smooth and obviously improved airflow sound. Meanwhile, it is suitable for 4 to 6 inch speakers.
5. ABS material, strong and durable. Smooth inner walls and flared ends are designed on both ends.
Specifications:
Item Type: Speaker Air Tube
Total length: approx. 141mm / 5.6 inch) as picture shown
Speaker Housing Opening Diameter: Approx. 50mm / 2.0 inch (as pictured)
Package List:
2 x Inverted Tube