Originally Posted by kaigoss69
That should not be a problem. As with any source unit, you have to find the point where distortion is produced. The distortion can be from the HU itself, or from the inputs of the processor, it doesn't really matter. Then make sure you never exceed that particular volume level.
Do you mean I should use the low level input on the DSP?
I could try to use the high level input but I am a little bit afraid the HU could be damaged (to high current).