Sony’s ECM-AX10 is the first smartphone microphone to receive Eclipsa Audio certification, giving mobile creators a compact way to record immersive sound directly to a USB-C phone.
Sony has introduced the ECM-AX10, a compact USB-C microphone designed to bring spatial audio recording to smartphones. The company says it is the first smartphone microphone to receive Eclipsa Audio certification, linking a mobile recording accessory to YouTube’s immersive audio format and widening the range of tools available to creators who work primarily on a phone.
At the centre of the ECM-AX10 is a spherical pickup unit containing four omnidirectional capsules. Sony says this arrangement captures sound from all directions before its processing system shapes the recording into a spatial mix with clearer placement and distance cues. The microphone weighs about 24 grams and plugs directly into a phone’s USB-C port, which keeps the setup simple and avoids extra cables or external power.
The device offers three recording modes. Ambisonics is intended for publishing Eclipsa Audio content on YouTube and works with Sony’s Spatial Audio Video Tool app. Binaural mode uses Sony’s headphone-oriented processing to create a three-dimensional listen through conventional headphones, which is useful where a platform does not support Eclipsa Audio. Stereo mode remains available for standard video work.
Sony’s Spatial Audio Video Tool app allows users to record, review, trim and export material on the handset itself, reducing the need to move files to a computer. Sony says the microphone is not limited to its own software and can also be used with general recording and video applications. The product was developed and tuned by engineers at Sony PCL.
The launch comes as Eclipsa Audio gains a firmer foothold in the wider ecosystem. According to Sony and the underlying format’s developers, Eclipsa is built on the open Immersive Audio Model and Formats specification and is intended to work with freely available tools rather than proprietary software. YouTube has accepted Eclipsa uploads since January 2025, while Samsung’s 2025 television and soundbar range was among the first hardware lines to support playback. Sony has priced the ECM-AX10 at $249 in the US, with pre-orders available through Amazon and other retailers.
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