Audio-Technica AT8449a Overview. The AT8449a was created to hold an AT4033a, AT4040, AT4047MP, AT4050, or AT4050ST microphone. It works with 3/8"-16 and 5/8"-27 threads, making it compatible with most mic stands.
Suspension Shockmount for AT-series Condenser Mics The Audio-Technica AT8449A shockmount from Sweetwater is custom cut for your AT-series condenser mic: AT4033a, AT4040, AT4047MP, AT4050, and AT4050ST. This shockmount prevents noise and vibrations from traveling up your stand and into your mic signal, resulting in cleaner, quieter recordings. The AT8449A is compatible with both 3/8"-16 (European) and 5/8"-27 (American) mic-stand threading and fits inside an R1 style A/T case.