This system includes: P6HW Wired Bodypack Personal Monitor E3 Single-Driver Earphones The Shure P6HW hardwired Personal Stereo Monitor is a two-channel system designed to replace loudspeakers used for onstage monitoring. The P6HW has several advantages over onstage monitor loudspeakers: it is less visible, offers improved clarity and control of sound, and reduces the chances of feedback. This portable, lightweight unit also allows freedom of movement while reducing stage clutter. It is a versatile system, designed for use in many different sound reinforcement applications: public address, live music, studio recording, broadcast, and theater.