Professional wireless microphone
●Digital phase-locked loop multi-channel frequency synthesis technology and noise automatic control technology
●Use UHF600MHz~690MHz frequency band to avoid interference frequency.
●Dual microphone design, two people can sing at the same time. Handheld microphone invisible antenna.
●Adopt true diversity receiving circuit design to ensure continuous transmission within the effective distance and eliminate dead angles.
●Adopt the latest high-frequency surface acoustic filter to filter out out-of-band interference signals to the maximum extent.
●Adopt high-frequency circuit design with secondary frequency conversion, with extremely high sensitivity.
●Voice compression and expansion circuit greatly improves the signal-to-noise ratio. The unique voice compressor design ensures that the singer will not have cracking when singing hard.
●Use high-gain antenna to effectively open up the use distance of up to 100 meters. Complete input and output interface, convenient for connecting various devices.
●Any microphone in this system can be matched with any receiver, which completely solves the disadvantage of fixed frequency microphones being non-universal, and is suitable for multiple sets of products to be used in the same occasion.
●Optional: lavalier microphone or head-mounted microphone
Overall performance:
●Carrier frequency: UHF640MHz-690MHz
●Frequency multiplication method: Phase-locked loop synthesis frequency
●Number of channels: 200
●Bandwidth: 60MHz
●Dynamic range: ＞100dB
●Harmonic distortion: ＜1％
●Frequency response: 40Hz-50KHz±3dB
●Audio output: 0-400Mv(8dBu max)
●Usage distance: 60M(open environment)
Wireless receiver:
●Power supply voltage: DC12-16V 500mA (AC100V-240V)
●Signal-to-noise ratio: ＞105dB
●False image interference ratio: ＞80dB
●Adjacent channel interference ratio: >80dB
●Receiving sensitivity: >25dBu (SIND=35dB)
Wireless transmitter:
●Transmitting power: 10mW
●Modulation mode: FM, F3E
●Maximum modulation: ±40KHz
●Higher harmonics: 35dB or more below the main wave reference
●Power supply voltage: 2 1.5VAA batteries
●Continuous use time: more than 8 hours
●Power on/off noise: With perfect switch noise elimination circuit
●With intelligent mute function (ground mute, hand-off mute, etc.)
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