This is a nice quality Aiwa TS-W35U Subwoofer. It features an impedance of 8 ohms.
For extra low-frequency extension and enhancement, the dual 12 inch powered KSub is perfectly matched to the rest of the K Series. The K8, K10 and K12 all have a selectable high-pass filter for use with the subwoofer. The KSub includes a fixed low-pass filter so it will accept full-range input. Constructed of premium birch, the QSC KSub includes high-quality, low-noise casters and a threaded...