Drivers and Software updates for WH-1000XM4 | Sony

son4d x10000Download Sound Connect app (formerly Sony | Headphones Connect) app at Google Play and the App Store. Firmware update required for Sony | Headphones Connect app. NetworkAs of April 10, 2025. Ambient noise reduction according to research by Sony Corporation, measured using JEITA-compliant guides for the top 10 brands (by market share) of truly