Wireless in Ear Monitor System, Quad-Channel Wireless IEM System, Metal IEM w/ 4 Bodypacks, 4×25 UHF Frequencies, Rack Mount, 164ft Range, Mono Deisgn, for Studio/Band (PTM-33). INGENIOUS INTEGRATED MONITOR STATION. The 4-channel wireless monitor provides 4 groups of left/right inputs and loop outputs, requiring only four auxiliary jacks on one audio mixer to satisfy diversified monitoring requirements for a four-member band. It allows you to flexibly daisy chain audio signals. Up to 4 standalone mixes and no delay in sound enable you to hear your own mix crystal-clearly. EXCEPTIONAL MONORead More