Frequency - A - 530,025 - 559,000 MHz. Professional multi-channel head-worn wireless microphone system from WMS 420 series that is suitable for live sound, presentations and installations. It includes a SR420 stationary receiver, a PT420 body-pack transmitter, a C555L head-worn microphone, a W444 windscreen, two receiver antennas, an AC adapter and an AA size battery. The SR420 analogue high-performance space diversity wireless receiver provides maximum ease of use with different channel presets up to eight channels (up to 30 MHz selection bandwidth). It is perfect for instrumental and vocal performances in small clubs as well as for use in houses of worship and in conference rooms. It provides an audio clipping and RF signal LED for easy monitoring of systems status. Best audio signal output is provided via both a professional XLR and a 6.3mm jack connector. For worldwide use, the receiver comes with a universal, switched mode power supply kit. It also comes with two external and detachable antennas on the rear side and BNC connectors at standard 50ohms. The PT420 is an analogue high-performance wireless body-pack transmitter in a small, rugged housing. A professional mini XLR audio connector makes the body-pack compatible with all kinds of guitars, basses, instrumental pickups and headsets. It is designed for stress-free work on small stages, in houses of worship and in conference rooms. It provides a gain control for perfect adjustment of the input volume and a noiseless on/off/mute switch. A battery-status indicator shows red before the battery goes dead, allowing the user full control of performance time. The C555 L high-performance head-worn condenser microphone is ideal for hands-free applications, including presentations or onstage performances. It rests securely and comfortably on the head, and can be attached to the left or right side of the behind-the-neck headband as desired. A transducer shock mount reduces handling noise to a minimum. The moisture shield ensures a high degree of humidity protection for the microphone. The microphone provides a three-pin mini XLR connector.