All-in-one System 20 Pro Transmission Setup Whether your performance calls for reliable onstage transmission or filming vocal detail, the all-inclusive ATW-1423 System 20 Pro wireless microphone system will ensure the job is seamlessly completed. The included ATW-R1440 receiver and dual ATW-T1402 handheld transmitters facilitate immediate use either with pre-existing Audio-Technica rigs or as an entirely new standalone unit. Settings and sound modifications are easy to maneuver, thanks to both device's built in OLED screen. However, should changes need to be made in a pinch, Audio-Technica's Wireless Manager software remains ready for quick parameter adjustments from further away. Additional modern features, including AES128 encryption, auto-lock controls, and up to 328 feet of wireless operation, make the ATW-1423 System 20 Pro wireless microphone system among the most versatile we've seen at GearNuts.Versatile transmitter availability In order to cater to a wide range of communication situations, the Audio-Technica ATW-1423 System 20 Pro wireless