Brand New Re Audio Rex8d4 8" 175 Watt Rms Rated Dual Voice Coil 4 Ohm Car Subwoofer with the Top Sound Quality! **Free Shipping** Up to 2000 watts peak power handling Engineered with new magnet covers that aid in cooling the voice coils while protecting the magnet Flat wound voice coils Mounting Hole Diameter - 7.125" Overall Diameter - 8.25"