Quality and affordability Great bass usually depends on your wallet, as a nice sub and powerful amp can cost serious cash. Now JBL steps up with some help for the basshungry, designing their affordable Stage subs to help you get strong bass when your bank accounts a little weak. – Excellent power handling The 122AM 12 subwoofer features a polypropylene cone for enhanced stiffness, supported by a highroll rubber surround thatll stand up the abuses of life in your ride. Itll handle up to 250 watts RMS, and it works equally well in sealed or ported enclosures, so you can get the kind of bass you want. – Reliability The 112 voice coil contributes to this subs impressive power handling, while airflow from the cones movement cools the voice coil for exceptional reliability. And, speaking of reliable, JBL puts these subs through a rigid testing process that includes baking, freezing, and blasting them with power for days on end, all so that you never have to worry. – Grille not included