15-inch Pro Rider® CU CP 1200 watts Subwoofer. The Pro Rider driver series represents a new level of power and performance for Black Widow loudspeakers. These outstanding drivers have a power handling rating of 1,200 Watts program, along with high efficiency, reduced distortion and excellent overall sound quality. The series includes two 15” models in 8 Ohm impedance, suitable for both subwoofer and woofer applications. The ProRider drivers are superior choices for a wide range of sound reinforcement, high level playback, subwoofer and monitor applications. The 1508-8 alcp Pro Rider driver is an excellent choice for general purpose sound reinforcement. The enclosure size is reasonable and its performance form sub bass to upper mid-range is strong. Its versatility included vented and bandpass enclosure designs.