Features: Experience immersive sound with this woofer diaphragm for enhanced low frequency effects. Crafted from quality silicone material, this passive diaphragm seamlessly integrates into your speaker for optimal sound quality. Suitable for professionals and enthusiasts alike, this accessory enhances the bass output of speakers without costly modifications. Perfect for parties or gatherings, the support diaphragm delivers powerful bass for an unforgettable sound experience. The speaker will vibrate up and down during operation, generating airflows between vibrations. The low-frequency film is driven by this airflows to produce low frequencies. Please note that it is not the leather edges on the speaker and cannot be used to replace the leather edges of the speaker. Specifications: Material:Silicone Color:Black Size:Approx.16.51cm or 6.5in,20.32cm or 8in (Optional) Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xWoofer Diaphragm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.