72mm x 98mm Speaker Port Tube Subwoofer Tube Bass Woofer Box 4pcs Blue Vertical Handle

Vertical Handle

Adjustable Height: 16mm-20mm

Inner Diameter (d): 3mm

Seal material: NBR

No soldering or crimping required

72mm x 98mm Speaker Port Tube Subwoofer Tube Bass Woofer Box 4pcs Blue Vertical HandleFeatures: Speaker Port Tube is used to improve the bass response of many types of speakers. There are plenty of types to help you with your vented box design, and carries tubes of every shape and size, including adjustable length ports and flared ports. These port tubes are a reliable, convenient installation, while at the same time providing a finished, "pro" look to your bass speaker building project. Normal tubes suffer from turbulence at the