The Empire 15" Magnus Series Subwoofer are engineered with an impressive and conservative 3000 watts peak and 1500 watts RMS power handling capability for those that like it a little bit louder than others. The Magnus series comes in a dual 4-ohm configuration with an AMERICAN MADE 3" high temperature voice coil. These subwoofers are constructed with premium high quality components that are obvious in their build and sound quality.