Stereo Video Shotgun Mic Microphone for Canon VIXIA HF R100, R10, R11, S10, S20, S21, S11, S100, M30, M31, M300, HV40, HV30, HV20, HF200, HF20, HF11, HF100, HF10, HF21 Delivering a stereo sound image with superb clarity Pick up pattern 90 degrees or 120 degrees switchable Frequency responses: 30-18000Hz Sensitivity: -40dB (0dB = 1V/Pa at 1 KHz) Compatible all brands of camcorders with external microphone terminal (3.5mm plug).