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 5x Swamp Classic Series - XLR Mic Cable - 10m US $68.39 
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 Swamp Classic Series - XLR Mic Cable - 5m US $9.76
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Splitting a mic signal between two cameras?
I want to run a single lapel mic cable to two Kodak Zi8 cameras, recording different views of the same event. A simple Y-splitter degrades the signal more than I expected - I expected degradation, but not as much as I found - so I am looking for a better solution. Is there something intermediate between a cheap and simple Y-splitter, normally used to drive two headphones off of a single output, and studio mic-splitters that cost more than the camera and have XLR connectors?
The Zi8 camera has a 3.5mm microphone jack, as does the microphone I am using. I have found some small DJ mixing desks with multiple outputs, but these appear to be line (headphone) level output not mic level which would swamp the camera's input I fear.
The reason for the degradation is that the input impedance of the
cameras' mic circuitry is fairly low, which may be no problem
when you use one mic with one camera, but when the inputs
of the two cameras are parallelled, the halved load impedance
'seen' by the mic significantly affects the sound quality.
A commercially made mic splitter may be all you need,
but you would have to use plug adapters (readily available)
for both the input and output to connect to your mic and cameras.
I think that, unless you have an expensive mic that would be costly to match,
using a second identical or similar mic would be a lot less trouble.
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