OW DO I GET SOUND TO COME OUT OF THE SPEAKERS ON MY AUDIOVOX HOME STEREO SYSTEM MODEL NUMBER QUAKE II? I HOOKED THE SPEAKERS UP AND ALL THEY DO IS HUMM... I HAVE ALSO TRIED THE SAME SPEAKERS ON A DIFFERENT STEREO AND THEY WORK SO I JUST NEED TO KNOW HOW TO GET THE HUMMING TO STOP ON THE AUDIOVOX AND SOUND TO COME OUT.... THEY WORKED BEFORE AND NOW THEY JUST HUMM... PLEASE HELP ME OUT? THANKS