Wisdom Microphone Q7

Features: *Using UHF 700-870 MHz band to avert interferencing frequency. *Automatic frequency scan feature searches for available frequencies *PLL system,preset 99 non-interface channels,adjustable 560free channels *Splendid blue LCD display, shows the RF leve, AF level ,channel and frequency *High efficiency batteries consumption design,the handheld could be in using for 10 hours continuously.(AAbatteries) *Ideal distance in open: 100meters *It is suitable for large stages and Karaoke rooms Specifications: Comprehensive Performance: *Carrier Frequency: UHF700-870MHz *Frequency stabilization: ±30ppm *Dynamic range: 95dB *Total Harmounic Distortion: 0.5% *Frequency Response: 40Hz-15kHz±3dB *Audio Output Level: Unbalance 400mV,Balance 400mVMix 400mV Microphone: *Transmitter Power: 30mW *Modulation Type: FM *Deviation: 40kHz *Spurious Emission: 60dB *Battery Voltage: 3V(2x1.5V AA) *Continuos Using: 10 hours Receiver: *Power supply: DC15-17V *Consume Power: 3W *Signal/Noise Ratio: 100dB *Image Spurious Rejection: 80dB *Border Upon Channel Rejection: 80dB *Receiving Sensitivity: 5dBuV(SINAD 20dB) *De-Emphasis: 50uS