[Pre Order - allow extra time] Yamaha CXS15XLF 800W 15" Passive Subwoofer (Black) For Live Stage, Theatre, DJ Setups, Designed for Low-Frequency Extension, Woofer: 15" with 4" Voice Coil, Max SPL: 130 dB, Frequency Range: 33 to 150 Hz (-10 dB), Power...