Free Express Shipping! Kali Audio WS-12 V2 Project Watts Studio/Live 1000W Powered Subwoofer (Black) 12" Woofer, 1000W Class-D Amplifier, Low-Noise Port Tube, User Selectable Crossover and Polarity, 30 to 160 Hz Frequency Response ( ±3 dB), 123 dB...