96mm x 238mm Speaker Port Tube Subwoofer Bass Reflex Tube Bass Woofer Box 2pcs Push Button Switches Applicable to most vehicle model

Applicable to most vehicle model or anti-corrosion materials connection position

* Easy to install and easy to use

Operating temperature: -5~60 Degree Celsius

Stainless steel plate is not easy to fold

Seven in one expansion tube lightweight

96mm x 238mm Speaker Port Tube Subwoofer Bass Reflex Tube Bass Woofer Box 2pcs Push Button Switches Applicable to most vehicle modelFeatures: 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 reflex speaker building project. Normal tubes suffer from nasty turbulence