2Pcs Speaker Port Tube, 77mm x 158mm Speaker Cabinet Port Tube Subwoofer Bass Reflex Tube

Description

• High Quality Material - Plastic, Solid, the inner wall is very smooth.
• 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.
• 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.Speaker Port Tube is used to improve the bass response of many types of speakers.
• Easy to Installation - Suitable for power amplifier speakers, build your own speakers or replace old speakers. Suitable for 6-12inch Speaker.
• Dimension: 1.96" x 4.52 -Big Hole Outer Dia: 63mm / 2.48", Small Hole Outer Dia: 40mm / 1.57", Opening Hole Diameter: 50mm / 1.96", Overall Height: 115mm / 4.52"; 3.03" x 6.22 - Big Hole Outer Dia: 94mm / 3.7", Small Hole Outer Dia: 71mm / 2.79", Opening Hole Diameter: 77mm / 3.03", Overall Height: 158mm / 6.22"; 3.15" x 5.15" - Big Hole Outer Dia: 96mm / 3.78", Small Hole Outer Dia: 77mm / 3.03", Opening Hole Diameter: 80mm / 3.15", Overall Height: 131mm / 5.15";

High Quality Material - Plastic, Solid, the inner wall is very smooth.
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.
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.Speaker Port Tube is used to improve the bass response of many types of speakers.
Easy to Installation - Suitable for power amplifier speakers, build your own speakers or replace old speakers. Suitable for 6-12inch Speaker.
Dimension: 1.96" x 4.52 -Big Hole Outer Dia: 63mm / 2.48", Small Hole Outer Dia: 40mm / 1.57", Opening Hole Diameter: 50mm / 1.96", Overall Height: 115mm / 4.52";
3.03" x 6.22 - Big Hole Outer Dia: 94mm / 3.7", Small Hole Outer Dia: 71mm / 2.79", Opening Hole Diameter: 77mm / 3.03", Overall Height: 158mm / 6.22";
3.15" x 5.15" - Big Hole Outer Dia: 96mm / 3.78", Small Hole Outer Dia: 77mm / 3.03", Opening Hole Diameter: 80mm / 3.15", Overall Height: 131mm / 5.15";
Specification:
Material: PP
Package Include: 2 x Speaker Port Tube

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