The Orion HCCA104 is a 10-inch subwoofer with 1500 watts of RMS power that ensures proper handling of sustained music reproduction. With a sensitivity rating of 84 dB, the Orion HCCA104 efficiently converts power to clear sound. This Orion car speaker features a polypropylene cone for superior bass performance. Additionally, this 10-inch subwoofer has dual 4 ohm copper wound voice coils that create a symmetrical magnetic field, which results in minimal distortion. This Orion car speaker features an enhanced voice coil cooling system for effective heat dissipation and optimal operating efficiency.