Amazon.com: Replacement Ear Pads for JBL Synchros S400 BT Bluetooth Wireless and Synchros S300i Headset Cushion (1 Pair) : Electronics
Protective Case for JBL S400BT, E45BT, E55BT, JBL 700 Everest, Marshall Major II, Marshall Monitor Bluetooth Headphones - Walmart.com
Amazon.com: NEW NEOMUSICIA Replacement Cable Compatible with JBL Synchros S300 S300I S700 S500 S400BT J56BT E40BT E30 E40 S400BT E50BT Headphone, Remote Volume Mic Compatible with iPhone only : Electronics
Ear Pads Headband For JBL Synchros S400BT Headphones Replacement Foam Earmuffs Ear Cushion Accessories Fit perfectly _ - AliExpress Mobile
Case for Jabra Revo, JBL S400BT, JBL E45BT, JBL E55BT, Marshall Major II Bluetooth On-Ear, Marshall Monitor Bluetooth Wireless Over-Ear, Marshall MID Bluetooth, Beats Studio, Skullcandy Crusher - Walmart.com