Free Express Shipping! Kali Audio WS-6.2 6" 400W Studio Subwoofer 2 x 6.5" High-Excursion Woofers, Class-D Amp, 400W RMS, 1000W Peak, 27 to 200 Hz Frequency Response, Compact Form Factor, Ported MDF and Vinyl Enclosure, Limiter Circuit, Footswitched...