It is designed to accommodate any desktop type speakers including their feet.The two L support bars can be set at any distance apart from 167mm- 267mm.The speaker is held in place by telescopic horizontal bars with rubber end stops
which can be set to restrict any forward movement. Speaker depth can be set
between 235mm and 263mm. The rear upright supports include adjustable
buffers which can be locked in any vertical position. Sold singly.