I got a new Razer Kraken with an aux input and the aux audio splitter into 2 3.5 mm aux inputs. I plugged them in and no sound came out. I messed around ALOT with my windows sound settings to no RELIEF so i looked online. I realized that the problem might be linked to my missing realtek HD audio driver. I tried for hours to install my realtek drivers but no matter what i did it would only put a file into my downloads with no driver in sight on the device MANAGER. I already looked for the UAA BUS whatever its called that sometimes conflicts with realtek but i dont have it in my device manager either. I plugged in my headphones into another device and they worked both with and without the splitter. I also tried plugging in a speaker through the aux into my computer's audio jack to no success. I've done all of the above using the headset with/without the splitter and in both front and back audio JACKS. Please Help! To speed things up can you download speccy https://www.ccleaner.com/speccy/download/standard

Run the file

Then select file publish report and copy the url on your reply. Without knowing the hardware specs, what drivers are loaded and how windows is configured it not easy to diagnose.
From the report i can get all the info.