Originally Posted by spark008
SF-5 is more bass good mids but lack high
ER-4 is more detail good high and mids but lack bass
I have ER-4S, and properly amped they definitely do not lack bass. There is certainly more of it than in Mylarone X3 or even DT880, granted they are not bass monsters otherwise they wouldn't be a details king, but have plenty of quite punchy and nicely detailed, textured bass.