inputs.text: pleased sub - first opening box seeing sub person nice immediately noticed wasnt single cheap component sight looks feels solid block concrete heavy bought 13 cubic ft ported box pound polyfill wired connected hifonics brutus 12001d takes every bit verified 1200 watts 1 ohm like heavyweight champ even though sundown says rated 600 watts rms importantly sounds clean strong still havent able push point distorting decide buy something else youre missing out6 month update taken quite bit pounding break low end incredible im thinking upgrading little box something suitable beast far best sounding overall powerful sub woofer ive owned vs typer cadence 12s rf kicker kenwood etc brands simply put amazing sub woofer well worth money