It would probably be OK, but it depends on a number of factors:
- do you like to listen at loud volume ?
- do you listen to music with a wide dynamic range (e.g. classical. Pop, rock, electronic, and other popular styles usually only have limited dynamic range) ?
- do you intend to use the bass boost feature ?
The more questions you answer with "yes", the more power you need. If at least two are "no", then the E10 is likely to be enough.
Note also that the 250 Ω version has a coiled cord, while the 80 Ω has a long straight one.