JuicedLink CX231 2 XLR Input Camcorder Adapter/Preamp with 12/48V Phantom Power 48V and 12V Phantom Power # 2 XLR Balanced Inputs * 2 XLR Balanced Inputs 1/8" (3.5mm) Mini Output # Three Gain Settings Attenuator Control Dials # Mounts to Camera Bottom 9V Battery Operation # 16 Hour Operation