Rugged aluminum housing can withstand the rigors of stage use. Mute switch eliminates unwanted sounds when mic is not in use. 1680 frequencies within a 42MHz switching bandwidth for greater tuning flexibility. 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. High-contrast LCD display with blue sync LED and dedicated Escape button. Auto-Lock function avoids accidental changing of settings. HDX compander for crystal-clear sound. Transmitter feature battery indication in 4 steps, also shown on receiver display. Handheld transmitter with easy-exchangeable microphone modules from evolution series. Integrated Equalizer and Soundcheck mode. Contacts for recharging BA 2015 accupack directly in the transmitter. Benefit from a transmission range of up to 330 feet and up to 8 hours of operation time. Link up to 12 receivers for simultaneous easy setup. Backwards-compatible with previous evolution G1, G2, and G3 systems. We have a lot of equipment. You can collect and. Please see other items.