BT-48UM UHF Dual Channel 100 different frequency, Metal Microphone and base

Dual Channel Wireless Microphone System UHF Wireless Microphone Receiver 100 Channels of Frequencies Two (2) Handheld Dynamic Metal Transmitter Microphones Provides Up to 15 Hours of Wireless Operation on four (4) AA batteries (Alkaline Batteries Included) Channel Frequency Range: PLL Frequency Synthesized Technology with adjustable frequencies from 520-580MHz and 615-675MHz 100 Digital Channels for Interference-Free Operation IR Pair Up when Receiver and Transmitter Sychronized Microphone Features: Mute, Off & On Power Single Separate Channel for Each Microphone in High-Band VHF Range Operating Range: 164 and up to 300 ft. line of sight LED Status Signal Indicator and Dual Independent Antenna AC Adaptor: 110-240V Connector: Two (2) XLR Output Jacks and one (1) 1/4 Mixed Output Package Includes: 1/4 to 1/8 Adapter For Use in Devices Equipped with 1/8 Audio Input – Range 164 feet Aluminum Carrying Case Included with Receiver, Two (2) Wireless UHF Handheld Wireless Microphones with Four (4) AA Batteries, Two (2) Antennas UPC: 643307992229 Download User Manual: BT-48UM Pairing Instructions: BT-48UM Video (YouTube): Frequency Channel Adjustment