Featuring a cylindrical design, this bass reflex sponge plug is tailored to fit speaker cabinet ports and ducts. Its yet lightweight construction ensures easy installation and removal, making it a versatile accessory for home audio systems. The sponge material helps absorb vibrations and minimize distortion for improved sound quality. Features -Color:Black -Material:Sponge -Size:6.00X4.20X4.20cm/2.36X1.65X1.65in -Vibration control: reduces unwanted vibrations in speaker systems, ensuring stable and consistent sound output for an enhanced listening experience -Improved sound clarity: the sponge plug enhances mid and lowfrequency sound clarity, making music and audio playback more enjoyable -Universal fit: compatible with speaker port tubes, bass ducts, and airflow openings, the plug adapts to various speaker designs effortlessly -Quick setup: no tools required—just insert the plug into the designated port for improvement and noise reduction -Compact design: lightweight and portable, the sponge plug is easy to store and transport, making it ideal for audio setups Package list: 2 x Speaker Port Tube Sponge Plug