Professional multi-channel headset wireless microphone system for vocal that features a pilot tone transmission to prevent unwanted noise and contains one stationary receiver SR420, one body-pack transmitter PT420, one clip-on microphone C417 L, one windscreen, two receiver antennas, one AC adapter and one AA battery. High-performance analogue space diversity receiver SR420 provides maximum ease of use with 30 MHz selection bandwidth and different channel presets up to eight channels (simultaneous use of up to 8 channels), an audio clipping and RF signal LED for easy monitoring of systems status, and a switched mode power supply with universal connector kit for worldwide use. Best audio signal output is provided via both a professional XLR and a 1/4" jack connector. Receiver also offers an adjustable squelch level for secure audio transmission in all environments and comes with two detachable external antennas and BNC connectors at standard 50 Ohm. Analogue high-performance body-pack transmitter in a small, rugged housing provides a professional mini XLR audio connector, 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. Transmitter 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. Transmitter offers up to 8 hours of operation with a single AA battery. Rugged guitar cable is included. Professional clip-on/lavalier microphone with omnidirectional polar pattern delivers a broadband, flat audio reproduction, ideal for all types of broadcast and theatrical applications. Sound is extremely open and natural, making it ideal for wireless or hardwire multi-mic situations. Thanks to its small housing, it can be inconspicuously and securely attached to jackets and costumes. Microphone provides a professional three-pin mini XLR connector. An attachment clip, tie pin and windscreen are supplied. Matte Black finish.