Question

I resintalled my audiobox vsl software and studio one and I still cannot hear out of my headphone jack for my presonus 1818vsl. I see the microphones recognize it but I can't hear it out of my headphones.

Answer 1

The headphone jack for the 1818 is not a copy of the main mix. The headphones are output 7 & 8:

http://support.presonus.com/hc/en-us/articles/210044383-AudioBox-1818VSL-How-do-I-create-a-monitor-mix-for-my-headphones-