Faudio Fa4 Firmware Upd May 2026

Subject: Faudio FA4 Firmware Update – A Deep Dive into Process, Sound Changes, and Impressions

What Actually Changed? (Sound Impressions)

Before You Begin: Pre-Update Checklist

  • Scenario B: Third-Party Bluetooth Cables (e.g., TRN BAX, Shure RMCE-BT2)