The P9HW from Shure is a two-channel stereo wired personal monitor with individual mix controls. It is designed to deliver improved audio clarity and reduced feedback than traditional speaker wedges, in audio application such as live stage, theater, rehearsal, houses of worship and more. You can listen to one or two channels of audio from the mixing console through earphones; using MixMode you can customize the mono blend or listen to the stereo mode and set the left and right audio balance individually.