2) Power Acoustik GW3-12 12" 5000W Car Subwoofers Subs Power Woofers DVC 2 Ohm New Power Acoustik GW3-12 12" 5000 Watt Car Subwoofer (Pair) 2500 Watt Max (5000 Watt per Pair) 1200 Watt RMS (2400 Watt per Pair) Overcast Stitched Cone Assembly - Surrounds of Gothic woofers are double overcast stitched directly to the Flax cone surface. In addition to superior adhesives, overcast stitching improves the conventional bond between cone and surround. Back Plate &amp; T-Yoke Venting - Heat build-up is a leading cause of catastrophic woofer failure. Venting built into the T-Yoke, back plate, and voice coil extract and dissapate heat, ensuring Gothic woofers keep their cool.