VocoPro SUB-1500 200W 15-inch Powered Subwoofer Very low frequency. response to 20 Hz. Adjustable Crossover for. variable low-pass filtering Inputs/outputs for line-level. RCA and high-level MDP. connections. Phase Switch Carpeted with metal speaker grill. 110V/220V voltage selector. Shipping Dimensions:. 18" (L) x 21" (W) x 24" (H). Shipping Weight: 58 lbs 200W of Booming Bass to feel the music Low-distortion Output 15 Coated Long-throw Woofer for Accurate Long-lasting, Stable Performance Rugged Dual-port Enclosure with Metal Grills and Carrying Handles