Stage v466 - Quad Vocal Wireless System - A Band SR466 full-rack quad VHF wireless receiver Four HT6 dynamic handheld microphone transmitters, each with H6 dynamic microphone element Each transmitter operates for ten hours on a single 9-volt battery A Band SR466 full-rack quad VHF wireless receiver ^Four HT6 dynamic handheld microphone transmitters, each with H6 dynamic microphone element ^Each transmitter operates for ten hours on a single 9-volt battery ^A Band