4Pcs 52.8mm x 52mm Speaker Port Tube Subwoofer Bass Reflex Tube Bass Box Vent Rubber V-Belts Product Name: Angle Bracket

Product Name: Angle Bracket

Package Content: 2pcs x Wardrobe Rail Support

2 x Fish Tape Leader

1 x Rubber Backer Pad

Trox Bits Size:T9

4Pcs 52.8mm x 52mm Speaker Port Tube Subwoofer Bass Reflex Tube Bass Box Vent Rubber V-Belts Product Name: Angle BracketFeatures: 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