Wireless microphone/one to two
- Technical parameters: One to two wireless microphones. Main features: Broadband
transmission (50MHz), segmented reception technology (two independent 25MHz sub-
bands): 2 channels of the receiver each have independent 100 adjustable channels. The
standard 1U metal chassis has a built- in dual-channel receiving circuit, which is sturdy, heat –
resistant, and is of professional quality for isolating harmonic radiation interference.
Cooperate with the “audio code and radio frequency intensity” mute control to prevent
interference from radiation noise from other audio and video equipment. It has an “ACT”
automatic channel tracking button. As long as you press the SET button, the transmitter can
automatically and accurately lock the working channel of the receiver without causing any
errors or malfunctions. Wireless microphone receiver technical parameters: Panel display:
LCD liquid crystal display, which can simultaneously display RF/AF signal strength, channel,
frequency, mute level and other functions; Oscillation mode: PLL phase- locked frequency
synthesis; RF stability: ± 0.005 %(-10~50 ℃); Carrier frequency band: UHF 500~950MHz
(standard: 640~690MHz); Frequency bandwidth: 50MHz; Frequency adjustment: ∧ / ∨ Select
the required frequency, and then press the “SET” function button. It can immediately make
the transmitter automatically lock the same working channel of the receiver. Reception
method: secondary frequency conversion reception; Sensitivity: When the offset is equal to
40KHz and the input is 6dBV, S/N>80dB; Maximum offset: ± 68KHz with volume expansion;
Comprehensive S/N ratio: >105dB(A); Comprehensive T.H.D.: <0.5% @ 1KHz; Comprehensive
frequency response: 50Hz~18KHz ± 3dB; Maximum output voltage: independent balanced:
+10dB(2.5V)/600 Ω, hybrid unbalanced: +4dB(1.25V)/5K Ω. Silent control mode: “Tone code
and radio frequency intensity” dual silent control; DC power supply: 12V/1A; Wireless
microphone transmitter technical parameters: anti -mobile phone signal interference design;
metal tube material; oscillation mode: PLL phase lock frequency synthesis; Carrier frequency
band: UHF 640-690MHz; Frequency width: 50MHz; Frequency adjustment: Automatically lock
the receiver working channel; Output power: (high) 70mW/(low) 10mW; Harmonic radiation:
<-55dBC; Maximum offset: ± 45KHz; preset channel: 200; frequency response: 50~18,000Hz;
directivity: high cardioid; sensitivity: -80±3dB; output impedance: 750Ω; battery used: two AA
batteries; operation display: LCD Simultaneously displays battery capacity, channel, and low
voltage warning; maximum transmission distance: 80 meters
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