Free Express Shipping! Kali Audio WS-12 V2 Studio/Live 1000W Powered Subwoofer (Black) 12" Woofer, 1000W Class-D Amplifier, Low-Noise Port Tube, User Selectable Crossover and Polarity, 30 to 180 Hz Frequency Response ( ±3 dB), 123 dB Maximum SPL, Two...