The AirPort Express Stereo Connection Kit with Monster Cables includes everything you need to get the most from AirPort Express: a Monster mini-to-RCA left/right audio cable, a Monster mini-to-optical digital Toslink audio cable and an AirPort Express power extension cord.Use one or the other audio cable to connect AirPort Express to your stereo or powered speakers (which one you use depends on whether your stereo or powered speakers have an analog or optical digital connector). Use the power extension cord for greater flexibility over placement of the base station.