The Sony ECM-B1M utilizes eight high-performance mic capsules and advanced digital signal processing combine to provide 3 selectable pickup patterns in one compact microphone of approximately 99.3mm (4 inches) in length with Super-directional pick up; when connected to the Alpha 7R IV via its Multi Interface Shoe with digital audio interface support, audio is directly transferred to the camera in digital form so that the highest possible quality is achieved without noise or degradation.

• Eight mic capsules and advanced digital signal processing
• Super-directional pickup in a compact body
• Digital audio interface support via MI shoe on the 7R IV
• Direct audio interface provides highest possible audio quality
• Designed to suppress mechanical noise
• Three selectable directivity patterns in one microphone
• Noise suppression contribute to high quality audio
• MI Shoe connection means no independent power supply or cables are required
• Essential control functions for a wide range of shooting and recording situations