Focal SUB AIR 150W Wireless Subwoofer (Black) - 8"Complete your surround sound system with the black Sub Air Wireless Subwoofer from Focal. With a slim profile, the option to wall mount, and an integrated wireless receiver, placement of the Sub Air couldn't be easier. Featuring an 8" woofer with a 40 to 200 Hz frequency response, powered by a 150W BASH amplifier, the Sub Air is ideal for home cinema surround sound. The Sub Air has the variable crossover, phase inverter, ON OFF auto power function,