Ghxamp 2.25 Inch Full Range Speaker Neodymium Loudspeaker Unit 4ohm 20w Full Frequency Audio Driver Large Stroke Abs Frame 2pcs - Speakers - AliExpress
Replacement Full Range Speaker for JBL Charge 3 4ohm 10W Bluetooth Speaker | eBay
JBL Charge 3 with Dayton Drivers Retrofit : r/diysound
Replacement Full Range Speaker for JBL Charge 3 4ohm 10W Bluetooth Speaker | eBay