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Completing a Dual Mic Input

I have a Canon 5D Mark II that we've used to make some pretty nice videos. I have a Sennheiser EW 112p G3 Wireless mic system with two transmitters and two lav mics1.

The setup works great for the videos we've done so far: short instructional videos and the like. I've even done some multi-cam stuff with iPhones as second and third cameras.

But we're looking to branch out and have more than one speaker talking, and thus, want each person to have their own microphone.

So… the question I have right now is this: What do I need to mix two channels of audio with the current setup? I don't need eight channels, but if we can pay a little more and get four channels instead of just two, cool. I don't even care if the mix goes into separate tracks, the same track, or even right into the camera.

I've looked around a bit and a lot of the mixers seem to be XLR input based, while the Sennheiser receivers output via 3.5mm output.

So what do I need to buy?

Footnotes

  1. We only have one receiver, currently, and would likely need to buy a second.

2 Responses to "Completing a Dual Mic Input"

  1. Twitter is the wrong place for this so I'll restate my comments here:

    What you have:
    2x 1/8" mono outputs from your two receivers
    1x Stereo input on your camera.

    What you want:
    One microphone on each channel of the stereo recording

    What you need:
    A cable that combines two mono inputs into one stereo output (keeping the channels separate). I originally called this a 'splitter' but that is a bit confusing because you are using it as a 'combiner' in this case.

    What you want will have trs TRS (Tip+ring+sleeve, aka stereo) Male end and two TS (Tip+Sleeve, aka mono) Female ends. Usually one of the female ends will be labeled "Ring" and the other "Tip". Make sure you don't buy a cable that just splits a stereo input into two outputs because that will not do what you need.

  2. It's a bit of a hack, but… this might work.

    http://www.sweetwater.com/store/detail/YMM261?adpos=1o3&creative=54989267161

    It would take two mono inputs and create a stereo input. Like I said, a bit of a hack, but it may just work…


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