If the Playaz N1 were designed with reasonable amount of bass and they could be the steal of the century. In reality I can recommend them for EQ-friendly folks only - stay away if your source does not have a good, user customizable EQ.
TDK EB 750 Headphones The EB-750's are an all Aluminium housed earphone with rich sound production offering you the best direct-to-ear acoustics with some mega bass-boost for that little something extra. Comfortable noise reducing silicone sleeves in three sizes to suit everyone. Aluminium braided cable stays tangle free. Storage pouch protects the earphones when not in use. Fantastic...