LED Display 2 Channel Karaoke Wireless Handheld Microphone Cordless Dual Mic System with Receiver

Features: Dual channel, can use two wireless microphones at the same time Quartz crystal locking frequency Noise lock to solve the problem of noise interference in wireless receivers Built-in noise reduction compression - expansion circuit Suitable for studio/karaoke/broadcasting etc. Package Included: 1 x Microphone Receiver 2 x Microphones 1 x Manual Specification Plug US/EU Carrier frequency range 174-270mhz Frequency response range: 80hz-15khz 3dB Offset 25KHz, with volume overload limit Harmonic interference ratio >80dB Rf stability within 0.005% Output socket MIC output S/N ratio > above 100dB Output strength 0-400mv T.H.D < 1% Power supply 220V Mute control noise lock mute control