J-332True diversity a second-hand hold

Product description

1. Dual-channel independent design of automatic frequency search function, effectively lock the strongest signal in the working environment.
2. PLL phase locked loop combination technology, combined with noise locking noise control technology and digital pilot technology, further protect the transmission and receiver switch impact sound, to ensure the safety of the rear power amplifier and loudspeaker.
3. Use 1.5U chassis LED large-screen display font function display, microphone RF radio frequency, AF signal, switching channel, working frequency, frequency screening and other information in detail and clearly.
4. Each channel adopts touch-tone electronic volume control, with higher accuracy and good elimination of resistance from potentiometer noise
6. Each channel adopts audio compression technology, with wide dynamic response, transparent analytical force and perfect sound quality effect.
7. Use high sensitivity microphone core, built-in suppression circuit, effectively reduce the microphone roar.
8. Transmitter microphone and receiver are equipped with LIQUID crystal display, and the working state is clear at a glance.
9. Handheld support high and low power switching, wide application.
10. The system adopts the knob electronic volume control, higher precision, eliminate the resistance of potentiometer noise.
Frequency range :640-690 MHZ
Modulation: FM frequency modulation
Number of channels: infrared automatic 200 channels
Frequency stability: ±0.001%
Dynamic range: & GT;100dB
Peak frequency offset: ±45KHz
Frequency response: 50HZ-18khz (±3dB)
Integrated signal-to-noise ratio :& GT;105dB
Comprehensive distortion :& LT;0.5%
Service distance: 150 meters
Receiver indicators:
Receiving mode: Secondary frequency superheterodyne,CPU automatically selects the strongest signal channel
Intermediate frequency: First intermediate frequency :110MHz, second intermediate frequency: 10.7mhz
Mode of oscillation :PLL phase locked loop
Antenna interface: BNC seat
Maximum channel number: 200
Bandwidth :250MHz
Sensitivity :12dB (80dBS/N)
Noise threshold: 0-40dB
Audio output: Hybrid: 0-600MV, balanced: 0-600MV
Power supply: DC 12 to 15 v
Transmitter:
Transmission power: 30mW
Stray suppression: -60dB
Harmonic suppression :& GT;55 DBC
Supply voltage: 3V/1.5V AA battery
Duration of use: 8 hours