200-280mHz Wireless Digital Display Microphone Mic System for Karaoke KTV Audio Player

Features:Using VHF 200-280 mHz band to avert interferencing frequencyUsing multilevel high frequency and mid frequency narrowband filter, so as to dispel anypossible interferencing signalsThe wireless microphone use hidden antenna look good and are usefulThere is a volt indicating circuit in the the microphone. it can tell you if it is necessary tochange the batterySpecially designed circuit switch is on the phone. it is for clearing up waves of miscella-neous sionaAll use quartz crystal oscillating circuits so the frequency is very steadyThis kind professional wireless microphone adopt a series of measures to improve its functions advance frequencyUsing multilevel high frequency and mid frequency narrowband filter, mulriple no-e detect and controlDesigning it special functions(tone key locked identity )to a-void interference from outsideEffective, built-in spherical windNote:Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.Please allow 1-3CM differs due to manual measurement.Package Included:2 x Microphone1 x Receiver1 x Audio Cable2 x Battery1 x Instruction ManualSpecificationCarrier frequencyVHF-280MHZFrequency stabilizationless than30ppmDynamic rangemore than 90dbTotal harmonic distortionless than 0. 5%Frequency response40hz-15khz士3dBAudio output level separate type0--+400mv mix tune 0--200mvEffective distance received (empty place)40-50 meters at the farthestFixed receiverPower supplyA