Logitech Z906 vs Z-5500? Well, depends! (Apr 2023)
Z5500 Subwoofer plays 35HZ for 3 Minutes FREE AIR - YouTube
Logitech Z 5500 Hack - Aktiv Subwoofer umbau - Hacking The Logitech Z 5500 - YouTube
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