Power and Grace Co., Limited  

Product Name: Professional 4 Channel UHF Wireless Handheld Microphones Model NO.: WM-4000U Output Impedance: Na Wireless Technology: UHF Connector(s): Na Sound Field Force: Na Transducer Principle: Na Sound Channel: Na Directivity: Na Signal Transmission: Wireless Application: Music, Voice, Meeting Style: Handheld Microphone Carrier Frequency: UHF610-865MHz Stability: 10ppm Sensitivity: 2UV @ Sjnad=12dB Max. Deviation Range: 50kHz S/N Ratio: >105dB T.H.D.: <0.5% @1kHz Frequency Response: 60Hz-16kHz Squelch Control: Dual-Squelch Circuit Power Supply: External DC Power Supply, 0.4A, 12-15V DC Battery Voltage: AA1.5V*2 Trademark: Lucky-tone Transport Package: Gift Box/Export Carton/Pallet Specification: NA Origin: China HS Code: 8518100090 Product Description Professional 4 channel UHF wireless handheld microphoneThis WM-4000U 4 Channel Handheld Wireless System features efficient RF performance, diversified frequency range, and high S/N ratio. Thus, it is suitable for wireless professional sound reinforcement, such as, church, education, and live performance.SPECIFICATIONS WM-4000UReceiver(Desk-top)Carrier FrequencyUHF610-865MHzOscillation ModeQuartz Controlled Fixed FrequencyStability10PPMSensitivity2uV @ sJnad=12dBMax. Deviation Range50KHzS/N Ratio>105dBT.H.D.<0.5% @1KHzImage Rejection85dB typicalSpurious Rejection75dB typicalFrequency Response60Hz-16KHzSquelch ControlDual-squelch circuitMax. Output LevelBalanced: 0-400mV, Unbalanced: 0-300mVPower SupplyExternal DC Power Supply, 0.4A, 12-15V DCTransmitter(Hand-held)Transmitter power<30mWSpurious emission<40dB(with carrier)Battery VoltageAA1.5v*2Battery Life>10hours