Never heard the ifi iphono but I love my Jasmine LP 2 mkII. I compared it to 2 other phono stages here:
http://forum.audiogon.com/cgi-bin/fr.pl?eanlg&1349194602
Jasmine won out over the Vincent 2 boxer and the pro-ject phono tube box with upgraded tubes.
http://forum.audiogon.com/cgi-bin/fr.pl?eanlg&1349194602
Jasmine won out over the Vincent 2 boxer and the pro-ject phono tube box with upgraded tubes.