inputs.text: installing sub sounded not great thought maybe break - bought itehem back 2013 came seller not directly amazon also ordered jl audio amp power sub installing sub sounded not great thought maybe break instead speaker breaking amp burned not find recently due cars factory subs anyway trying figure amp fried measured speakers impedance got low reading multimeter speaker rated 2 ohms supposed two w3v34 speakers enclosure wired parallel rehemoved speakers check thehem read back speaker 2 ohm units indeed wired parallel would yield 1 ohm lower impedance jl audio rated minimum 2 ohm impedance minimum basically speaker short circuited speaker connections amp turn burned amp not sure seller teracing amazon jl audio blame wrong speakers inside enclosure since purchase year half ago nothing except chalk experience speakers appear functional wired thehem series presents 4 ohm impedance outputs new amp think except buying books kindle fire blu ray movies not purchase anything substance cost wise amazon unless shipping sold amazon may not even want trust thehem plummeted big time