The BETA 57A is a dynamic instrument microphone designed to perform reliably in challenging environments. Its ability to provide high gain before feedback makes it perfect for live performances where clarity of sound is paramount. The microphone is built with a durable steel mesh grille, ensuring its longevity, and features a neodymium magnet for superior signal-to-noise ratio, enhancing the overall sound quality.

Unfortunately, the provided webpage does not list detailed technical specifications for the BETA 57A microphone. Therefore, I am unable to provide a comprehensive list of technical specifications as per your request. For complete technical details, it would be advisable to consult the official product manual or contact Shure directly.

See here.