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Canon Knowledge Base - Using an external microphone with the VIXIA HF M30, HF M31, HF M32, and HF M300
Amazon.com : Canon Legria HF R206 Camcorder External Microphone XM-40 Professional Video & Broadcast Condenser Microphone : Electronics
Mini Condenser Pro Microphone For Canon Vixia HF G50 G60 | eBay