Specially designed metal and ARC® stands provide easy placement and positioning for the R45HD and R90HD speakers. The Monitor Audio Radius HD Stands come fully assembled and internally wired with speaker terminals located at the back of the stand's integral ARC® plinth. Simply remove the Monitor Audio Radius HD Stands fixing screws from the back of the R45HD or R90HD, dock the top of the Monitor Audio Radius HD Stands with the speaker terminals and re-attach the screws for a secure fixing.