Panasonic HC-V770 Camcorder External Microphone XM-AD2 Dual Channel XLR-Mini Audio Adapter for DSLR&rsquo;s, Camcorders and Pro Video Cameras- with SDC-26 Case The Vidpro XM-AD2 allows you to connect two XLR devices -microphones, preamps, mixers etc.with 3.5mm output- to your cameras audio input Users can convert two separate mono audio channels into one clear stereo channel. Ulara high quality transformers reduce rfi ,hum and other unwanted noise Cameras easily attach to the unit via built -in tripod screw Passive operation provides noise free plug-n-play operation -No batteries required