Audio-Technica AT8531 Power Module with XLR Output, Mini-XLR Input, Phantom Power and Hpf

Power Module Only for AT803b, AT831b, ATM73a, ATM75, U841A, U851A, U853A(W), U853A(W)U, U857A(W)U. Power module for AT Series Boundary and Overhead Mics - 9-52 V Phantom Power or AA Battery, Mini XLR Input