the front speakers dont give me that much volume that rear one.i like lissen very loudly so i nead the rear one louder so i can hear them proply.befour i had front and rear from amlifier.it was good.when i sterted read forums i change front from head unit and rear is bridged from amp.the rear one kick ass now, so the front one need littel bet more.i ges i need get some extra cach and bay some amp.