Altoparlante Subwoofer da 3 pollici 30W 4OHM al neodimio fatto in casa Protable potente altoparlante per PC Woofer per Harman kardon Go + Play Micro 1 pz|Subwoofer| - AliExpress
Foam JBL Atlas 3 - DecibelAudio
Portable subwoofer build with JBL Atlas 3" or similar | diyAudio
Special foam surround to repair your JBL Atlas woofer.