How to hook up centrios wireless speekers model # 4015005 to my steerio receiver. You can add as many speakers as you wish to customize your system, with an additional Centrios Wireless Speaker (Web ID: 4012169). The speaker and transmitter system includes a 3.5mm audio plug and a mini USB to easily attach your MP3 Player, iPod, CD or Stereo. It requires 6 x AA batteries (not included) or plugs in with the AC adapter. The Centrios wireless speaker has an operational range of up to 80 M, for an ultimate sound experience! The Centrios indoor/outdoor wireless trophy red colour speaker comes with a transmitter and is what you need to create your perfect backyard party with style! Built with a 2.4 GHZ digital transmitter with 34 channels to change and minimize interference.