inputs.text: good quality price - friends said good amp make biggest difference quality looked around found one right amp car 12\\ kenwood might get better subwoofer friend said might overpowering amp mono hook one subwoofer 2 not great subwoofers want 1 sub might want get different amp along amp doesnt get hot never turns shows problems like amp much im getting another one later year amp must buy especially low prices amazon btw suggest get professional installation dont know eveything installation not expensive