i think a single 40That one isn't ZED made but its ok...Youd get more trying to do a local install with it where you could get about $100 out of it...Craigs list about $80 and maybe $50 plus shipping on forum....if its clean...If you sell it local it needs to be someone wanting a sub amp to a dual 4 or single 2 sub...I can't remember what they bridge but Im guessing no more than 400rms @2 what size fuses ?