RITASC U28 Wireless Microphone System LCD Display Professional Home KTV Set

a??Specification: RECEIVER: frequency range: 620-680MHz frequency response: 40Hz~18KHz working distance: 80m Carrier Wave Stability: ????5PPms10KHz Image Interference Ratio: > 80dB S/N Ratio: < 0.5%@1KHz T.H.D(1KHz): -105dB(12dB S/N AD) Operation Voltage: 12-15V DC 500mA
TRANSMITTER: Frequency Range: 620-680MHz Dynamic Range: > 11dB Frequency Stability: +0.002% Frequency Deviation: +45KHz Radio Frequency Output Power: 10mW Power Consumed: a???100mA@3V
a??Package Included: 2x? Handheld Wireless Microphones 1x? LCD Display Karaoke Receiver 1x? Power Adapter 1x? 6.5mm o Input Cable