In the present situation jl has a great publicity in the market. Jl makes it better to its customer by presenting high class subs to them. These subs are awesome in one word. If you take a deep look on them then you must see it's all subs has the same booming bass. Well the difference is only in its size. So if you want to get a 12 inch sub your car but don't have that much space then you can have a jl audio shallow mount 10 inch sub in your car