The traditional wireless microphones due to low frequency characteristics : manyreasons causing interference, especially to from CD/VCD/LDDigital device sendsout a harmonic, Static circuit is analyzed the If signal intensity,so we can't take noiseand needs Signal differences, In noisy environment or the radio transmitter of weaksignal or open and close, the traditional static circuit Can suddenly opened, causinga sharp blasting noise receiver. To solve these problems, we have designed thismuch frequency band Professional level wireless microphones. It besides using adigital circuit, the noise suppression in SMT components design, and has 500-970MHz frequency MHz - fixed frequency selection, can satisfy KTV rooms, thus ensu-ring more machines also use not interfere with each other.B. Main characteristicsUse UHF500-970MHz frequency band, choose different in different areasUsing DSP digital technology.Using SMT components design, more use does not interfere with each otherUsing DSP digital technology, an extended greatly reduce noise, dynamic rangeWith doping screaming down deceleration abate function, can effectively reduce the doping screamingUsingDSP digital technology, multi-level receiver with high sensitivityMuttiple noise monitoring circuit, make have strong anti-interference characteristicsAccording to the characteristics of frequency response is designed, bass voice, High frequency zone is bright clearHas the best power switch impact noise elimination circuit, let you on or off completely hear impact noise anddamage of expensive speaker or affect the programSelected excellent chip and high quality is outstanding, make thisAdopts automatic inquiry received, eliminate blind Angle, overcome the receiver receive voice outputintermittent or unstable faults.The space is the largest use 120 meters, space distance from the ideal use 60 meters