some guy recommended me this amp . but what do you guys think he told me this line is good. i taught lanzar sucked. oh and is o2 oxygen brand any good http://cgi.ebay.com/Lanzar-OPTI2000D-Car-Amp-2000-Watt-Digital-Mono-Block_W0QQit emZ350165418792QQcmdZViewItemQQptZCar_Amplifiers?hash=item51877c4328&_trksid=p32 86.m20.l1116