****Please help****
So I installed this unit described above. Had no sound at all and did research and found out I needed the analog to optical adapter. I got that install and now I have sound but is wayyyy low and with it turned all the way up. Does anyone have any ideas on what's going on. Also this is one blue wire that says amp cont should that be put somewhere or just not connected. The optical adapter I used is this one
https://avinusa.com/most-fiber-optic...7-e88-e89.html
I'm def proficient in wiring and stereos but this has me stumped.
Tnx for any info helping guys.
Btw e82 with the logic7 HK system I believe.