4PCS T1 Bass Speaker ABS Plastic Smooth Inner Wall Inverted Tube for 5-6 inches Speakers

$0.99

4PCS T1 Bass Speaker ABS Plastic Smooth Inner Wall Inverted Tube for 5-6 inches Speakers4PCS T1 Bass Speaker ABS Plastic Smooth Inner Wall Inverted Tube for 5-6 inches Speakers4PCS T1 Bass Speaker ABS Plastic Smooth Inner Wall Inverted Tube for 5-6 inches Speakers

Specification: Item Type: Inverted tube Total Length: Approx. 100mm / 3.9 in (As picture shown.) Speaker Housing Opening Diameter: Approx. 53mm / 2.1 in (As picture shown.) Features: 1Made of ABS plastic, it is sturdy and durable. Inner wall is smooth, and the flare ends are designed at both ends. 2Airflow is very smooth, and the airflow sound can be obviously improved. Meanwhile, it is suitable for 5-6 inches speaker. 3The speaker phase-inverting hole is also called the sound tube and the air hole, is often used in the inverted-phase speaker. 4Its function is mainly to pour the sound pressure of the airflow vibrating inside the box to the front and the sound pressure radiated from the front of the speaker to produce a bass effect. 5Via precision craft by many experts, such inverted tube is entitled with high performance according to strict rule. Package List: 4 x Inverted Tube