Hello, Now I am in searching for the new pair to Westone 4r ( with silver cable) and have some doubt about player. There is only two candidates 1) Colorfly c4 2) Iriver ak100 Is there is any difference between them on westone? Have tube amp at home with "home headphones" ( Have read that a k100...

Hello, Now I am in searching for  the new pair to Westone 4r ( with silver cable) and have some doubt about player. There is only two candidates  1) Colorfly c4  2) Iriver ak100 Is there is any difference between them on westone?  Have tube amp at home with "home headphones" ( Have read...