How to get rid of distortion?

[Cryphakon]

I have a Xonar-DS and a set of Logitech X-530s, I know the speakers aren't great but I have my SRH-840s for a reason. I can't always wear my headphones and the X-530s were really cheap for 5.1 speakers(I use them for movies, TV and games mostly).

When I play music the levels often go above +0DB, I tried to fix this by lowering the Windows volume to 50 and resetting the volume level for each speaker but it still goes slightly over and I have to turn up the speaker's volume knob to max and it starts distorting 3/4 way to max.
 
I obviously will get distortion not matter what I set it all at too but what is the best configuration to get the least distortion?
 

 

[Honkytime]

If the distortion is that bad i don"t think tuning it will make it any better. Time to upgrade the speakers.

 

[duncan1]

I agree with honkytime but what you could try as your distortion will be heard at higher frequencies more than low[its just how the human ear works] is  to reduce the level of the higher frequencies that the tweeters give out . Manufacturers save money on their low end speakers by putting cheap tweeters in .It doesn't matter how good a music signal you have it will only sound as good as the loudspeakers let it. Going a bit over +O DB shouldnt  cause distortion in quality products.

 

[penmarker]

Best you can do probably is to set everything to 0db gain from the source and control the volume from the speakers. If you can detect what frequency band gets distorted most, you can probably EQ it down. Might reduce distortion but you'll lose some details.