The Canon SM-V1 5.1-Channel Surround Microphone allows you to capture lifelike sound from all directions. This microphone is compatible with the VIXIA HF S-series and VIXIA HF M-series camcorders including the: VIXIA HF M30, VIXIA HF M300, VIXIA HF M31, VIXIA HF S20, VIXIA HF S200, and VIXIA HF S21.