I am looking for earphones, in-ear, not over the ear.
Need the IEM to be very good at bass, and clarity is the secondary.
Budget is $20 or $27 (including outside US shipping), not more. I have looked at the following IEMs, need suggestion about which has the best bass. If you know any other IEM under my budget, then let me know.
Meelectronics M9, M16, R1