The inner side is smooth and the bell ends are designed at both ends. The airflow is very smooth and the airflow is obviously improved. Inverter tube can offer stable and high sound quality transmission. The height of the inverted tube is 90mm and the opening is 76mm. Suitable for speakers with 4-8 inch speakers. Inverter tube can ensure perfect applicability, suitable for installation location and easy to install. Speaker inverter tube is made of high quality ABS plastic, sturdy and durable, effectively avoiding corrosion and wear. Inverter tube is easy to operate, anti-aging and extend the service life.
Feature:
【MAKE A BASS EFFECT】The sound pressure of the airflow vibrating in the box is poured out to overlap the sound pressure radiated in front of the speaker to produce a bass effect. You can use with confidence.
【CONVENIENT TO USE】Speaker inverting holes, also called sound tubes and air holes, are often used in inverted speakers. Inverter tube is high quality, stable and fast. plug and play, convenient for you to use.
Specification:
Item Type: Inverted Tube
Height: Approx. 90mm / 3.54in (as shown in picture)
Opening: Approx. 76mm / 2.99in (as shown in picture)
Package List:
Inverted Tube x 4