Help With Wiring Question:

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Jraldi

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Joined 2008
Was considering building a portable 12v powered boombox and have been contemplating different routes to take. I definitely want to be able to have two audio source options available: Bluetooth and also 3.5mm input for an alternate. My question is: Can I wire it up the following way shown below or will it not work? Only one audio source will be used at a time of course.

http://imageshack.com/a/img661/557/dWrtiL.jpg
 
rayma

rayma

Moderator
Joined 2011
Jraldi said:
I definitely want to be able to have two audio source options available:

Damage may be caused if you just connect two different sources together with the Y cable.
You could use resistors to form a simple mixer, and there are some types of RCA connectors that allow resistors to be connected inside.

Why not have a switch on the boombox to select either source, and plug each source into the boombox separately?
Click to expand...
 
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rayma

rayma

Moderator
Joined 2011
Jraldi said:
Still confused.. So your saying if I'm only feeding one source signal at a time it will be fine? The bluetooth module will be on a switch so I could shut it off prior to connecting a cable jack from a phone.
Click to expand...

If you're certain only one source would be plugged in at a time, it would be ok, but just turning the other one off is not good enough.
Why have the Y connector? Just plug in either source's cable one at a time.
 
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