Sennheiser EW112 P G3 is a wireless microphone system that comes with a transmitter and a receiver and I do the Unboxing and test the same indoors and outdoors and also compare the audio with my Blue Spark XLR Microphone.
Sennheiser EW112p G3 is sold in India via Amazon http://amzn.to/2FUenjr
My Blue Spark Microphone Unboxing & Test https://www.youtube.com/watch?v=9aWoyPJvj5g
