The Digital Reference DR-3600 Handheld Wireless Microphone System is a low-cost UHF solution with many high-end features. Automatic frequency scanning, clear sound, dependable performance, true diversity operation, Tone Lock squelch for interference rejection, soft touch controls, an LCD display, and both balanced and unbalanced outputs. All 10 user-switchable channels are compatible for easy use with multiple systems. The wireless mic system includes receiver with rackmounting hardware and ATW-T220 Hand-Held Microphone/Transmitter features the PRO 41 Capsule for maximum feedback rejection and consistent sound.