PIONEER TS-A100D4PIONEER (TS A100D4) 10 1300 W MAX POWER, DUAL 4W VOICE COIL, IMPP CONE, RUBBER SURROUND SUBWOOFER BRING YOUR TUNES ALIVE I don't think it's any exaggeration to say that a good sub will make your car's sound system come alive, and Pioneer made their A Series subs to give you the deep low frequency punch that you want. The TS A100D4 10" subwoofer handles up to 400 watts RMS while pumping out loud, clean bass. This sub features an injection molded