The AT8539 power module is suitable for use with any Audio-Technica Wireless Essentials microphone terminated with 4-pin locking connector. It allows you to convert your wireless microphone into a wired model. It comes equipped with a snap-on belt clip.
HRS-type input connector allows any A-T Wireless Essentials microphone to function as wired model
Switchable low-cut filter minimizes pickup of unwanted low frequencies
XLRM-type output connector
Designed to plug directly into an XLR-type chassis connector