Plastic subwoofer port tube: normal tubes suffer from nasty turbulence at the entrance and exit of the port, producing unwanted noise and poor sound quality, plastic bass reflex tube; Speaker port tube: fine workmanship and creative appearance ensure its popularity and practicality, plastic speaker pilot hole; Speaker accessory: workmanship, reasonable structure, professional and practical, can bring you convenience, speaker supply; Replacement subwoofer port tube: this speaker port tube is very easy to install, giving you of convenience, replacement reflex tube; Subwoofer port tube: when properly tuned, the port contributes significantly to the low frequency output of the speaker system, plastic speaker port tube

What's in the box
12 x Speaker Port Tube