Electro-Voice R300-E-C Wireless Headset Mic SystemDesigned for the entry level professional, the Electro Voice R300 makes the benefits of professional wireless microphone performance accessible to a new category of users. With features like one touch ClearScan and EZsync transmitter update, the R300 offers professional class capabilities but is as easy to setup and use as any entry level wireless microphone system. The R300 E system includes the metal BP 300 bodypack transmitter, which uses two AA