2PCS for 6-8 Inch Speakers Bass Enhancer 72mm x 118mm Speaker Cabinet Port Tube Speaker Cabinet

Label:Yes 5.Made of premium quality material, this product is sturdy and durable. 1.With 52mm inner hole diameter, it is suitable for 6-8 inch speakers, subwoofers, etc. 3.Speaker inverting hole, also known as sound tube and air hole, often used in inverting type speakers. 4.It is mainly to overpower the air flow sound of the speaker vibration in the box and overlap the sound pressure of the radiation in front of the speaker to produce a bass effect. 2.The opening hole is about 72MM in diameter, helping to make the airflow more smooth.

Specification: Item Type: Inverter Tube Color:Black Material:Plastic Total Length: Approx. 118mm / 4.65in (as shown in picture) Open Hole Diameter: Approx. 72 mm / 2.83in (as shown in picture) Inner Hole Diameter: Approx. 52mm / 2.05in

Package List: Inverter Tube x 2