() Premier Acoustic PA-10W Subwoofer - Black 10" Active Subwoofer - 500 Watts Peak Power - 24HZ to 20KHZ - Auto On/Off - Adjustable Crossover Powered Subwoofers are designed to bring out the low end bass response found in DVD movies or music. Huge explosions, dinosaurs walking or just bass guitar and drums, the PA-10W is designed to reproduce these sounds perfectly.