Sontronics Sigma 2 ribbon microphoneIntroducing the Sontronics Sigma 2 ribbon microphone Representing the very best of British engineering, the Sontronics Sigma 2 ribbon is the successor to the original Sontronics Sigma microphone which is regarded as one of the first phantom powered ribbon microphones in the world. Perfect for vocals, solo wind and string instruments The Sigma 2 delivers an intimate, natural reproduction, perfectly suited for vocals, solo wind and string instruments,