Cowon Z2 Plenue MP3 Player OLED 9.4 "Full HD 32GB Bluetooth White (Personal Computers)
From the S9, I enjoyed the slight improvement in the sound quality offered by the Z2, but I do not recommend it if you are not in the need to change, if you are a S9, I ' did it because mine was soon snapping my fingers. Otherwise, the Cowon quality