AEW-R4100 receiver, AEW-T1000 UniPak transmitter, and AEW-T4100 cardioid dynamic microphone/transmitter. Select a Wireless Essentials microphone or cable to complete the system. It offers 200 selectable UHF channels per band with True Diversity technology for interference-resistant operation, while the IntelliScan feature automatically finds and sets the best available frequency on all linked receivers. The Audio-Technica Advanced Digital Tone Lock squelch effectively blocks stray RF, while also communicating transmitter date for receiver display. The AEW-4314C is made to last with a metal half-rack receiver chassis with mounting hardware, while all transmitters have rugged, ergonomically designed metal bodies. All components also store up to five preset configurations, each of which can be customized by name, if desired. Dual Compander circuitry processes high and low frequencies separately for unmatched audio qualityLink and coordinate multiple receiver channelsHigh-visibility white-on-blue LCD information displayAll Dual Transmitter systems ship with a dual receiver, microphone/transmitter, and UniPak transmitter. This leaves you the option to choose which additional Wireless Essentials microphone or cable you want to complete your system. Available in: C Band (541.500 - 566.375 Mhz), D Band (655.500 - 680.375 Mhz)