So, about a year ago I got the sigma 3D for my birthday right? They worked excellently for what I do, I am a gamer. Then one day the mic stops registering my voice in a low, normal tone and I literally have to yell into or stick it into my mouth for it to relay anything I say. I figured that this was an issue with the USB adapter that it came with so I simply unplugged the adapter and started using the standard Audio/Mic jacks and it worked fine again until eventually the sound went out in my left channel. I assumed that it had just blown out and I had it RMA'd (One week before the one year warranty ended, lucky me). Anyways after a couple weeks Sound Blaster sends me a brand new pair, I plug it in, re-install the drivers (just in case) and low and behold. No audio in my left channel, again with the jacks. And the Mic issue with the adapter is still present. I figured maybe it's faulty drivers with Windows, and eventually I decided to reformat and install a fresh copy of windows. Now even with a fresh OS, the results are the same. However if I take my headset to another computer, it works perfectly fine, both via the USB adapter and the standard jacks.
Note, when I use the standard jacks on my main PC, the left audio is sometimes perfect, then as audio continues, it slowly dies out and eventually audio is just lost on that side altogether, in which case I then have to unplug, and re-plug the device, which sometimes restores it.
Some thoughts that come to mind, are:
1. My PSU not getting enough power out (which cannot be the case, I recently purchased a new PSU and have since tested it. It performs at it's proper levels.)
2. My motherboard's USB/Audio ports are defecting, however this isn't limited to just those ports, the front panel ports yield the same results (both USB and Audio/Mic)
3. Somehow some sort of static/electrical buildup is happening to these ports and is essentially shorting them.
Those are just my thoughts, however I figure a more specialized community like this could better help me diagnose and fix this problem. Lemme know your thoughts please. And thank you :>
Also, would a plausible fix possibly be investing in a dedicated PCI sound card? If so, would anyone have any suggestions for a decent one that would comply to a gamer?
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IMO, I will go with number 2 or 3 on your list but before that, you may want to try to get a normal headphone/headset and connect it on your main PC. Observe whether you will be getting the same exact result after a period of time.