Faudio Fa4 Firmware Upd ((new)) — No Sign-up

Insert the card and navigate to System Settings to trigger the update. Note that the interface may default to Chinese after booting; you will need to manually change it back to English in the settings. Quick Specs Reference Specification DAC Dual ES9038Q2M Storage Single Micro SD slot (supports 64-256GB recommended) Output Power ~460mW (Balanced) / ~350mW (Single-ended) at High Gain Battery Life ~14 hours (High Gain) to 16 hours (Low Gain) Bluetooth Bi-directional, supports aptX HD