I jz listen to XiaoMi Piston 2.1 with Samsung S3 (no EQ and no amp).

For small review;

1) Piston size got abit big, there for some people may b face fit in ear difficulties.
2) The sound quality of cause cant compete to those good brand such as sennheiser, Hippo, Sony but if say 50 bucks earphone, it can say not bad already.
3) Xiao Mi Piston perform good in treble and details but got a bit bassy in listen to instrumental song such as Kenny G, Kitaro.
4) Xiao Mi Piston perform well in Micheal Jackson song.
5) Xiao Mi Piston perform good in treble and details but got a bit bassy in listen to trance genre song such as Avicii, David Guetta.
6) Xiao Mi Piston perform good in treble and details but got a bit bassy in listen to KPOP genre song such as Big Bang, PSY.
7) Xiao Mi Piston perform good in treble , details and live performance in orchestra genre song.

For conclusion:
Xiao Mi Piston 2.1 version more suitable to person who like a bit bass head with good in details and treble by 50 bucks.

This post has been edited by chocosnowshake: Aug 22 2014, 09:28 PM