Sony’s Version 2.00 update for the Sony a7 V adds the ability to record 32-bit float audio when using the new Sony XLR-A4 adapter.
The XLR-A4 adapter ($778 USD) provides:
- 4-channel audio recording
- 32-bit float recording
- 96 kHz sampling rate
- simultaneous recording with video
- the ability to save a separate WAV file directly in-camera
Key Features of the XLR-A4 Adapter
- Designed for the a7R VI camera
- Supports 96 kHz sampling and 32-bit float
- 2 combo XLR/1/4″ inputs
- 1 x 3.5 mm microphone input
- Dual ADCs and four-channel input
- Separate in-camera WAV file recording
- Secure mounting via the Multi Interface Shoe
- Integrated microphone holder
An integrated noise reference microphone has also been added to improve background noise reduction when using either the built-in or an external microphone.
Firmware Version 2.00 Features
- Enables high-quality audio recording (96 kHz, 32-bit float) when the XLR-A4 adapter is attached to the Multi Interface Shoe
- Adds support for the Preset Focus function with lenses that do not have power zoom
- Some zoom lenses without power zoom are not supported
- Displays focal length with one decimal point precision
- Allows simultaneous image deletion and rating for files stored on memory card slots 1 and 2
- Displays folder names and file names during playback
- Allows cancellation of scheduled transfers for selected images during FTP transfer
New Transfer & Tagging Features
- Automatic scheduling of FTP transfer for protected still images via FTP Import
- Automatic FTP transfer scheduling for protected photos and videos via FTP Upload Preset
- Automatic protection of images transferred through FTP
- Support for SFTP (Secure File Transfer Protocol) server configuration
The latest version of the Transfer & Tagging setting is required.
Additional Features
- Support for the Write Digital Signature function for videos as part of Sony’s Camera Authenticity Solution
- Support for Scan and Tag, Photo Cropping, and Volume Photography Commands through the Volume Photography License
- A paid license is required for these features
- License availability is expected from late May 2026
Changes and Fixes
- Lens firmware updates via memory card are no longer supported
- Lens firmware must now be updated using Windows or Mac software tools
- Fixes an issue where movie recording might fail when using the ECM-M1 microphone
- Improves the overall operational stability of the camera
