200-Channel Wireless Lavalier Microphone, Dual UHF Bodypack Cordless Lavalier Mic System Set, Auto Scan, Long Range 200-240Ft, 16 Hours Use Ideal for Speaking, Classroom 2023 333B

Provides 100 selectable frequencies on each channel: Mic A ( 536.57 - 561.32 MHz), Mic B ( 562.37 - 587.12 MHz). The frequency range per microphone is enhanced from 40 to 100 channels, enabling more efficient interference avoidance.
Two frequency adjustment methods: Automatically scan to locate the optimal frequency for your system, or manually configure the channel number for multiple system setups. Manual frequency pairing allows for simple synchronization.
Portable construction: Contains 2 Lavalier and 2 Headset Microphones. Lightweight and compact for ease of movement. Backlit LCD clearly shows frequency channel and battery status.
Battery operation time: 14-17 hours per charge.
Operating range in open areas: 180-240 ft (60-80 m) line-of-sight. Equipped with two individual XLR outputs and one 1/4" mixed output. For best performance, using a power amplifier is suggested.
Package contents: Receiver, 2 Lavalier Microphones, 2 Headset Microphones, power adapter, 1/4" audio cable, 2 antennas