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1. Infrared automatic frequency matching, double large screen design, AF/RF working status is clear
2. Hand-held microphone coloring process, no paint, no color fading, delicate hand feel, high-grade, atmospheric, simple operation.
3. Equipped with special microphone core, high and low frequency transparent, clear speech, high reduction of human voice.
4.160 channels, no serial frequency or drop frequency when using multiple sets.Can be used in the same occasion 50 sets, especially suitable for KTV rooms, conference rooms, school classroom projects, municipal bidding projects.
5. Use multiple noise control circuits on the receiver to effectively prevent interference from external signals.
6. No switch impact sound to ensure the safety of the rear amplifier and speaker.
7. The transmitting handheld and receiving hosts are equipped with LIQUID crystal display.
Receiver:
Radio frequency range: 640-690 MHZ
Modulation: digital frequency modulation
Available bandwidth: 300MHz per channel
Number of channels: infrared automatic frequency of 160 channels
Frequency stability: ±0.005%
Dynamic range: > 110dB
Peak frequency offset: ±45KHz
Audio response: 60HZ-18khz (±3dB)
Integrated SNR: > 105dB
Comprehensive distortion: < 0.5%
Receiver: secondary superheterodyne intermediate frequency: the first intermediate frequency: the second intermediate frequency: 110 MHz to 10.7 MHz
Antenna interface: BNC seat
Sensitivity: 12dB(80dBS/N)
Noise threshold: 0-40dB
Spurious inhibition: > 80dB
Audio output: non equilibrium: + 4 db Ω balance: (1.25 V) / 5 k + 10 db / 600 Ω (2.5 V)
Supply voltage: DC11-16V(rated12V)
Current: Single reception, less than 200mA, double reception, less than 350mA
Service distance: ≥ 50 m