A:AnswerYes you can, the speakers plug into the amp with a square connector, so if you want th hook up different speakers you would just have to splice the connector to the speaker wire for the other speakers.
A:AnswerUse a small moped type battery with a battery tender. Should give plenty of power for several hours and can be plugged in while being used. A set of jumper cables would charge the battery pretty quick as well.
