2Pcs ABS Speaker Port Tubes, 5.6" x 2" Subwoofer Woofer Inverter Tube, Speaker Box Bass Air Ports for 4-6 inches Speakers

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Product description

  • Its airflow is very smooth, obviously improving airflow sound. Meanwhile, it is suitable for 4-6 inches speaker.
  • With function 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, it can produce a bass effect.
  • Such a speaker phase-inverting hole is also called the sound tube and the air hole, and it is usually applicated in the inverted-phase speaker.
  • It is made of ABS plastic material, and it is sturdy and durable. With smooth inner wall, and the flare ends are designed at both ends.

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