TS-A301S4 - Powerful 12-Inch Subwoofer, 1600 Watts Peak Power, Single 4 Ohm Voice Coil for a Powerful Bass. We care about you and we always try to offer the best service possible. We choose with love our products and we'll bring to your home using third warehouses and suppliers for the best experience possible. Take in mind that some events out of our control could put in delay your order, like climatic events or logistic problems. In this case we will do the best for resolve the issue and we will get in touc withyou. So we can delete any order that can't fit with out service, and we will not take any responsability or any feedback for this. We will work together for finding the best solution that will fit for you. Injection-molded polypropylene/glass fiber/mica cone with elastic polymer/reinforced fiber surround. 6.88 x 12.88 x 12.88 inches.