One of the drawbacks of using the camera in-microphone port is that it only supports 3.5mm and while there are some decent solution for that (see the Rode video mic pro), if you really want nice audio, the higher end shotgun microphones require something called Phantom Power – this is a way to provide the microphone with electricity via the same XLR cable that connects it to the recorder (in our case – the camera).
Mike Kobal shares a clever hack for getting Phantom powered XLR shot gun mics on a DSLR. (seems like everyone is hacking their DSLRs nowadays – this really compliments the power hack we featured last week)
The solution is to use the IK Multimedia iRig Pre Microphone Interface which is originally a Mic to iOS Device, but works wonders on the GH4 video monster and other DSLR.
The irig Pre goes via an iPhone to standard plug converter and plugs into the microphone jack and the head phone jack. And both the shotgun mic and the earphones goes into the iRig Pre.
Mike suggests to get a few connectors as they are very flimsy.
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