just found some Asia user review
http://www.my-hiend.com/vbb/showthread.php?4776-%E3%80%90%E5%96%87%E5%8F%AD%E3%80%91%E5%BE%B7%E5%9C%8B-ologe-acoustic-%E7%99%BC%E7%87%92%E4%B9%8B%E6%97%85
and
http://www.hiendy.com/hififorum/forum.php?mod=viewthread&tid=28553