9Owner’ ManualWiring ConnectionsSpeaker Wiring NotesFollow the above wiring diagram to install the head unit withnew or existing speakers.• This unit is designed for use with four (4) speakers with imped-ance between 4 Ohms to 8 Ohms.• An impedance load of less than 4 Ohms could damage theunit• Never bridge or combine the speaker wire outputs. When notusing four speakers, use electrical tape to tape the ends of theunused speaker outputs to prevent a short circuit.• Never ground the negative speaker terminals to chassisground.