I called JBL customer service and they said the warranty doesn't cover this, It started cracking on both sides of the headphone. Even the pleather on the ear-cups started tearing off. It's
Roderick Loudspeaker Service Reproduction Drop In Recone Kit for JBL, 125A, 127A, 127H, 10" Woofer
JBL PULSE 3 Bluetooth Speaker REPAIR SERVICE for Charging Port, No Power | eBay