VM Audio VAS15SUB 15" 1500 Watt Passive Sub DJ Pro + Speaker Mounting Pole 15-inch passive subwoofer system with 58-inch speaker pole Compact high output low frequency design Efficient high power ribbed cone subwoofer 2-inch high power multi-layer copper voice coil Low noise CAD tuned bass reflex enclosure RMS power output: 700 watts Peak power output: 1500 watts Type: Passive Design: Low frequency Frequency response: 35 Hz - 300 Hz Sensitivity: 102 dB Woofer impedance: 8 ohms Woofer size: 15 inches Connectors: 0.25-inch TS jacks, speakon, binding post Enclosure: Super HDF wood Finish: Aviation carpet Grille: Perforated steel mush Handles: Recessed flush Pole length: 58 inches