Uxcell 2pcs 85x1103.3 X 4.3" Speaker Port Tube, Subwoofer Bass Box Tube, Bass Woofer Box, Speaker Box, Bass Air Port for DJPA Speaker Cabinet

Speaker port tubes are used to improve the bass response of various types of speakers. There are various types that are useful for vented box designs, including tubes with adjustable length ports and flared ports. Total Length: 110mm/4.3"; Opening Diameter: 85mm/3.3"; Diameter: 100mm/3.9"; Material: Plastic; Package Includes: 2 x Speaker Port Tubes Normal tubes cause unpleasant turbulence at the port inlet and outlet, resulting in unwanted noise and poor sound quality. These port tubes overcome these conditions, allowing you to experience better looks, lower distortion, and better overall sound quality. These port tubes are reliable and convenient to install, while also providing a finished, professional look to your bass speaker build project. Standard mounting holes make these tubes easier to install than others on the market. Please check the size carefully before purchasing a speaker inside your speaker box.