Free Express Shipping! QSC KS212C Powered 3600W Dual 12" Cardioid Subwoofer For Bands, Bars, and Mobile Entertainers, Compact Single-Box Cardioid Solution, -15 dB SPL Front-to-Rear Attenuation, 2 x 12" Woofers, 44 to 104 Hz Frequency Response, 3600...