JBL Charge 4 Portable Waterproof Wireless Bluetooth Speaker - Black - Walmart.com
JBL Charge 3 & 4 - How To Repair - Speakers - YouTube
JBL Charge 4 review: Worth the money, kind of - SoundGuys
JBL Flip 4 Portable Speaker Genuine Replacement Parts Driver Charging Port other | eBay
Amazon.com: JBL Flip 6 - Portable Bluetooth Speaker, powerful sound and deep bass, IPX7 waterproof, 12 hours of playtime, JBL PartyBoost for multiple speaker pairing for home, outdoor and travel (Black) : Electronics
Charge 5 now has a tweeter alongside the main driver : r/JBL
JBL Charge 4 - Portable Bluetooth Speaker with built-in powerbank