Limen 4 Pcs 95 x 26mm ABS Plastic Speaker Port Tubes Inverted Tube Design Smooth Airflow Bass Enhancer for Subwoofer Cabinet Fits 3" to 5" Speakers

1.Applicable to 3 inches or less surround speakers, computer speakers, or 5 inches or less center speaker, a speaker of porous.2.The speaker port tube adopts premium quality ABS plastic, it is sturdy and durable.3.Its inner wall is smooth and the two ends are flared. The airflow is very smooth and obviously improved.4.The total length of the inverting tube is 95mm, and the opening diameter of the speaker shell is 26mm.5.The speaker inverting hole, also called the sound tube and the air hole, is often used in the inverted-phase speaker, mainly to suppress the sound pressure of the airflow vibrating in the box and overlap the sound pressure radiated in front of the speaker to produce a bass effect.Specification:Item Type: Woofer Connector TubeColor:BlackMaterial: ABSTotal Length: Approx. 95mm/3.74in (as picture)Speaker Housing Opening Diameter: Approx. 26mm/1.02in (as picture)Package List:4 x Woofer Connector Tube

• Enhanced Bass Performance: Our subwoofer tubes effectively reduce internal air pressure vibrations for clearer and deeper low-frequency sound reproduction
• Premium Construction: Crafted from durable ABS plastic with smooth inner walls and flared ends to ensure optimal airflow and long-lasting reliability
• Universal Compatibility: Designed for speakers with openings up to 26mm, ideal for enhancing 3-inch surround systems, computer speakers, or 5-inch center channel units
• Precise Acoustic Engineering: Each 95mm long port tube is engineered to align sound waves from the rear of the speaker, delivering a noticeable improvement in audio clarity
• Complete Installation Set: Includes four woofer connector tubes, providing everything needed for a seamless upgrade to your audio setup