60mm x 113mm Speaker Port Tube Subwoofer Bass Reflex Tube Bass Woofer Box 4pcs Hairpin Cotter Pins Fit for:Computer cable and other

Fit for:Computer cable and other mechanical equipments

die sinking

bear the (F12

Resistance Value: 10K ohm

Measures current range of AC 0-250V with accuracy of Class 2

60mm x 113mm Speaker Port Tube Subwoofer Bass Reflex Tube Bass Woofer Box 4pcs Hairpin Cotter Pins Fit for:Computer cable and otherFeatures: 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