RC-7970U UHF Wireless Microphone with USB MP3 Player And BT

RC-7910 UHF Dual Channel Adjustable Wireless Microphones
RC-7302 UHF wireless microphone
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RC-7970U UHF Wireless Microphone with USB MP3 Player And BT

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System specifications
Frequency range500-900MHz
Modulation modeBroadband FM
Adjustable range50MHz
Number of frequency preset200
Channel spacing200kHz
Frequency stability± Within 0.005%
Dynamic range> 105dB
Maximum frequency offset± 45KHz
Audio response40Hz-18KHz (± 3dB)
Comprehensive SNR> 110dB
Comprehensive distortion≤ 0.2%
Working temperature– 25 ℃ – + 40 ℃
Size480X200X44mm
Net weight3.73kg

Receiver specifications
Receiver modeSecondary frequency conversion superheterodyne
Input power5W
Wireless interfaceBNC / 50 Ω Sensitivity: 12 dB μ V (80dBS/N)
Sensitivity adjustment range10-32db μ V
Spurious suppression≥ 95dB
Maximum output level+ 10 db

Transmitter index
Antenna program

Built in antenna

1 / 4 wavelength whiplash antenna and handheld microphone are used for the transmitter
Output power20MW
Spurious suppression– 60dB
Power supplytwo AA batteries
Use timeabout 8-10 hours




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