The Vaddio 998-6000-005 Undermount Brackets for Select 1/2 RU Devices can be used for under a table, on a wall or above mounting of 1/2 RU devices. The brackets work with available devices such as, EasyUSB Mixer/Amp, WEBBi, TRIO MIC I/O, PRO MIC I/O and Quick-Connect USB. This product contains 2 x black powder coated ears which can be mounted on either side of a 1/2 RU chassis for stable and discreet mounting.