UHF 4 Channels Wireless Microphone System for Conference KTV Teaching Wedding Stage Performance

Features:Rugged metal chassis for high heat dissipation and long life.4 antennas for reception, farther and more stable.User-friendly digital LED display.Aluminum panel, perfect round switch.Metal mesh head anti-drop, high lightness, anti-oxidation, effective protection of the sound head.High quality microphone core, very sensitive, easy to sing or speak.Metal tail pipe with rubber sole protection.Removable battery compartment with two AA batteries(Not Included).The microphone is oscillated in quartz to make the frequency more stable and more durable.Suitable for KTV, stage performances, cinemas, conference rooms, home entertainment, cafes, restaurants, hotels, schools, etc.Package Included:1 x Wireless Microphone Receiver4 x Wireless Microphones1 x Power Adapter1 x Audio Cable1 x User ManualSpecificationComprehensive ParemetersRF carrier frequency range500-800 MHz(the depends on the technical specifications of the system)Use DistanceUp to 100 meters(in an open area)RF stability+/-0.005%(-10 - 50 degrees celsius)Offset+/-40KHz with companding and automatic volum limit circuitS/N RATIOMore than 100dbDistortionLess than 0.5% weighting 1KHzFrequency response range50Hz-18KHz+/-3dBHandheld MicrophoneHandheld RF stability0.005%(-10 - 50 degrees celsius)RF output power10mWOscillation modeQuartz controlHarmonic radiation(Less than)-55dBc(Less than)-40dBcMaximum input sound pressure130dBMicrophone headCapacitive or moving-coil typeBattery used1.5V(9V)Receiver ParametersReceiving modeN