PlayBox PRO, Wall-Box for Sonos Play:1

The PB1-W-PRO is referred to as the "Wire Direct" model and is suitable for installation utilizing the nearest available electrical power source or electrical junction. To install the PB1-W-PRO run Romex™ or approved non-metallic (NM) electrical wire from a desired power source (within the home) to the PlayBox power supply/outlet (provided with each PB1-W-PRO).
** SONOS Speaker Not Included **