Shure PSM200 In-Ear Monitoring System: P2T-H2 and P2R-H2
— essentially the stage unit that sends audio wirelessly to bodypack receivers.
It combines a two-channel mixer with an RF transmitter so performers can hear their own monitored mix in-ear.
Up to ~100 m (300 ft.) range under ideal conditions
Contains two bodypack receivers with power supply.
Frequency band (H2: 518–554 MHz)
Earphones not included.
Flawlessly working condition.