Audix R42 KIT 2-Channel True Diversity Wireless Receiver | Frequency: B (554-586 MHz)With the R42 Kit, a variety of combination packs can be tailored to a specific application depending on what type of transmitter and mics are needed. It includes a two channel diversity receiver with antennas, power supply, rack mount, and BNC cables for front mounting antennas. With the addition of the ADS48 antenna distribution system, a total of four R42 systems (8 channels of wireless) will fit compactly into just 5 rack spaces and run off of one