15-inch black widow low frequency speaker, the 1508 driver series represent a new level of power and performance for Black Widow loudspeakers. Power handling is increased by 40% over other comparable modelss, along with reduced distortion and higher overall sound quality.The series includes 12” and 15” models in both 4 and 8 ohm impedances. The 1508sps driver is an excellent choice for general purpose sound reinforcement, and is available in both 4 and 8 ohm versions. Enclosure size is reasonable and bass / mid-bass performance is strong. Its versatility includes sealed and bandpass enclosure designs.