77.6mm x 157mm Speaker Port Tube Subwoofer Tube Bass Woofer Box 1pcs U-Shaped Sealing Strips The magnetic door catch is

The magnetic door catch is mainly used for bedrooms

1 x Plastic Package Box

Type: 2 pin

Hex shank prevents slip in electric drills and presses' chuck

Features DC 12V voltage

77.6mm x 157mm Speaker Port Tube Subwoofer Tube Bass Woofer Box 1pcs U-Shaped Sealing Strips The magnetic door catch isFeatures: 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 nasty turbulence at the