[NBJack]

Not to mention that there's a wide range of hearing issues that you will have to decided on tackling. There are several, inexpensive over-the-counter aids that can help with moderate loss, but if you have clinically profound hearing loss, there's no avoiding more expensive gear.

Let's not forget the rigor it must stand up to (water, wax, sweat, heat, temp differentials, dead skin buildup, etc.).