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High Quality Material - ABS plastic, Solid, it is sturdy and Long-lasting.
Professional - The airflow is smooth, reducing the noise caused by the airflow, can Increase the bass response of your system without increasing the power of the speaker itself.
Feature - The sound pressure of the airflow vibrated by the speaker in the box is poured out and the sound pressure radiated from the front of the speaker overlaps to produce a bass effect.
Improve Bass - The speaker port, also known as the sound tube and the air hole, is often used in the ported speaker. Speaker Port Tube is used to improve the bass response of speakers.
Easy to Installation - Suitable for amplifier speakers, build your own speakers or replace old speakers.
Specification:
Material: ABS
Product Parametric:
157mm x 123mm - Big Hole Outer Diameter: 157mm / 6.18", Opening Hole Diameter: 137mm / 5.15", Height: 123mm / 4.84"; is suitable for 8in compact speaker.
139mm x 106mm - Big Hole Outer Diameter: 139mm / 5.47", Opening Hole Diameter: 122mm / 4.8", Height: 106mm / 4.17"; is suitable for 6.5-8in compact speaker.
129mm x 93mm - Big Hole Outer Diameter: 129mm / 5.07", Opening Hole Diameter:111mm / 4.37", Height: 93mm / 3.66"; is suitable for 5-6.5in compact speaker.
40mm x 43mm - Big Hole Outer Diameter: 40mm / 1.57", Height: 43mm / 1.69"; is suitable for 2-3in compact speaker.
101mm x 54mm - Big Hole Outer Diameter: 101mm / 3.97", Opening Hole Diameter: 92mm / 3.62", Height: 54mm / 2.12"; is suitable for 3-4in compact speaker.
102mm x 97mm - Big Hole Outer Diameter: 102mm / 4.01", Opening Hole Diameter: 90mm / 3.54", Height: 97mm / 3.81"; is suitable for 5-6.5in compact speaker.
Package Include: 2 x Speaker Port Tube
