JonHan, the DSP circuitry of the EP500/600 causes a touch of a delay so a setting of twice the actual distance is normal.

I believe Dynamic EQ was designed for playback at low volume levels as it boosts the lows and highs, Keep it turned off unless you are listening at low volumes.

Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70