2Pcs Speaker Port Tube, 76mm x 89mm Subwoofer Bass Reflex Tube Woofer Port Tube Vent, for Car DJ Speaker HiFi Home Theater Professional Audio Woofer

Description

• Versatile : 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.Speaker Port Tube is used to improve the bass response of many types of speakers.
• Professionality : 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.
• Premium Material : ABS plastic is sturdy and lightweight. Solid, the inner wall is very smooth.
• Convenient installation : Suitable for power amplifier speakers, build your own speakers or replace old speakers.
• 76mm x 89mm - Big Hole Diameter: 91mm/3.58", Small Hole Diameter: 63mm/2.48", Opening Hole Diameter:76mm/3", Height: 89mm/3.5";

Versatile - 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.Speaker Port Tube is used to improve the bass response of many types of speakers.
Profession - 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.
Premium Material - ABS plastic is sturdy and lightweight. Solid, the inner wall is very smooth.
Convenient installation - Suitable for power amplifier speakers, build your own speakers or replace old speakers.
Product Parametric: 44mm x 66mm - Big Hole Diameter: 48.5mm/1.91", Small Hole Diameter: 39mm/1.53", Opening Hole Diameter:44mm/1.73",Height: 66mm/2.6";
82mm x 110mm - Big Hole Diameter: 91mm/3.58", Small Hole Diameter: 72mm/2.83", Opening Hole Diameter:82mm/3.22", Height: 110mm/4.33";
100mm x 160mm - Big Hole Diameter: 111mm/4.3", Small Hole Diameter: 87mm/3.42", Opening Hole Diameter:100mm/3.93", Height: 160mm/6.3";
76mm x 89mm - Big Hole Diameter: 91mm/3.58", Small Hole Diameter: 63mm/2.48", Opening Hole Diameter:76mm/3", Height: 89mm/3.5";
65mm x 74mm - Big Hole Diameter: 73mm/2.87", Small Hole Diameter: 57mm/2.24", Opening Hole Diameter:65mm/2.56", Height: 74mm/2.91";
Specification:
Material: ABS
Package Include: 2 x Speaker Port Subwoofers

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