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Hi Everyone

Just to let you know what is going on with the stereo headphones. Minelab doesn't use the same wiring as common headphones. They don't use the ground in there wiring. They use only the two + wires not the ground wire. This is why if its not a minelab headphone the volume is lower for off brand head phones.

You can get around this by wiring a male and female plug to make them work.

Wire the + wire to the + side of the plug and the - wire to the other side of the plug leaving the ground not connected. this is how they wire theres.

Have found this out because I have made amps for the SD and GPX. The frist one wouldn't work because of this. Had to rewire them to work right.

Hope this helps.

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