75mm For Charge 2.75 Inch Bass Auxiliary Bass Radiator Consonant Speaker Repairs Diy 2pcs - Speaker Accessories - AliExpress
JBL Flip 4 - One of the passive radiator isn't centre aligned. Should I look for replacement? : r/BudgetAudiophile
WOOFERS as PASSIVE RADIATORS | JBL BOOMBOX - YouTube
For Jbl Xtreme Series 4.5 Inch Special Bass Passive Radiator Assistant Woofer Radiation Metal Diaphragm For 3-5inch Speakers Use - Speaker Accessories - AliExpress