Accelerometer to audiointerface

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Hi,
I am working on a project, doing some data acquisition with several accelerometers(ADXL326 datasheet)
Using aMotu pre 8

I have designed this schematic for feeding the accelerometers with 3V supply from the 48V Phantom Power from the Motu. Problem is, the outputs of accelerometers to the XLR, have i made this connection the right way? Im measuring 7-8V at the Accelerometer outputs if i connect it to the, and no change in the output when i turn the accelerometer.
If i dont connect the acc-output, but measure with reference to ground, it works just fine(although with some noise spikes).

Any one can see some problems with this circuit?
An externally hosted image should be here but it was not working when we last tested it.
 
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