ddj1000 master out xlr Left very quiet

The Left XLR output on my ddj1000 is a lot quieter then the right

the sound quality is the same (no crackle or distortion just half the volume)

booth output is fine

don't have rca cables to test other master out

set to stereo

have updated drivers 

changed output to headphones and back to master

power cycled 

any ideas any one?