Comica Audio CVM-Wm100h

Operating range up to 328′ line-of-sight or up to 196′ with obstruction Transmitter and receiver each powered via two AA batteries (available separately) 48 channels allow up to five simultaneous systems (additional systems available separately) Utilizes the UHF FM band from 520 to 534.1 MHz 16 levels of volume adjustment Integrated low-cut filter to reduce rumble and low-frequency buildup Transmitter power button doubles as a mute switch (long press for power, short press for mute)