![One of my Logitech Z5500's sub is making a vibrating noise with some bass frequencies. I already checked the inside and everything looks OK. I think is comes from one or both One of my Logitech Z5500's sub is making a vibrating noise with some bass frequencies. I already checked the inside and everything looks OK. I think is comes from one or both](https://external-preview.redd.it/QGg97_9Ulj9TDk58XNuz2d5yG6IXKiZ5w0KEwuA7eag.png?format=pjpg&auto=webp&s=f9740965e1acc3840c39d40c0a4ab42b39de8364)
One of my Logitech Z5500's sub is making a vibrating noise with some bass frequencies. I already checked the inside and everything looks OK. I think is comes from one or both
![Almi's Logitech Z-5500 Mod (High-End upgrade for the speaker system) | Headphone Reviews and Discussion - Head-Fi.org Almi's Logitech Z-5500 Mod (High-End upgrade for the speaker system) | Headphone Reviews and Discussion - Head-Fi.org](https://cdn.head-fi.org/a/11411641_thumb.jpeg)
Almi's Logitech Z-5500 Mod (High-End upgrade for the speaker system) | Headphone Reviews and Discussion - Head-Fi.org
![Amazon.com: Logitech Z906 5.1 Surround Sound Speaker System - THX, Dolby Digital and DTS Digital Certified - Black : Electronics Amazon.com: Logitech Z906 5.1 Surround Sound Speaker System - THX, Dolby Digital and DTS Digital Certified - Black : Electronics](https://m.media-amazon.com/images/I/71aJEzMJZOL._AC_UF894,1000_QL80_.jpg)