Canon 600D Audio Test & Cheap Lapel Test

I bought a 99php PC Lapel Mic at a Computer warehouse store.
By the sound of it, the audio's ok :)

[@joshuaallen8504]

Thanks!

[@FancyCrazyLady]

Please can you help me? I bought a lapel mic Olympus ME-15 for my Canon 600D for indoor filming. It seems to work pretty good. But when I upload to YT my voice on th evideo is so low. What settings do i need to use on my camera for the lapel?