The Behringer Powerplay PM1 In-Ear Monitor Belt-Pack is ideal for personal monitoring applications and is suitable for keyboard players drummers and other musicians with stationary stage locations. The PM1 is a simple solution to hearing your own performance and is incredibly easy to use. A quality volume control allows users to set precise volume levels every time. The XLR input features a intuitive locking mechanism and there is also a 3.5mm jack headphones connector. Included with the in-ear monitor system is a convenient belt-pack clip.