Energy ESW-M8 1200 Watt Mini Subwoofer (Black) for $289.99 shipped after promo code EMCJKKF87.  Here is a screenshot for your reference.  It features a 1200-watt, 8" woofer and two 8" passive radiators with ribbed elliptical surround.  It measures 9"D x 9"W x 9"H and features 50Hz-200Hz variable low pass filter, 0° - 360° [...]