Features Sturdy metal housing (transmitter and receiver) 42 MHz bandwidth: 1680 tunable UHF frequencies for interference-free reception Enhanced frequency bank system with up to 12 compatible frequencies High-quality true diversity reception Pilot tone squelch for eliminating RF interference when transmitter is turned off Automatic frequency scan feature searches for available frequencies Enhanced AF frequency range Increased range for audio sensitivity Wireless synchronization of transmitters via infrared interface User-friendly menu operation with more control options Illuminated graphic display (transmitter and receiver) Auto-Lock function avoids accidental changing of settings HDX compander for crystal-clear sound Transmitter feature battery indicatation in 4 steps, also shown on receiver display Programmable Mute function Integrated Equalizer and Soundcheck mode Contacts for recharging BA 2015 accupack directly in the transmitter Wide range of accessories adapts the system to any requirement.