Shure's CRT1 component rack tray supports up to three Shure devices, which can be mounted in either direction. The adjustable rack ears support mounting in a standard 19" equipment rack or underneath a table.
Supported devices include:
P300
ANI4IN
ANI4OUT
ANI22
ANIUSB-MATRIX
A single CRT supports any of the following device combinations:
2 x P300
3 x Audio Network Interfaces (ANI)
1 P300 + 1 ANI