·Features

1、Industry-leading circuit design and production to ensure product reliability and stability;
2、PLL dual-channel phase-locked loop loop design, frequency offset can be automatically corrected;
3、Unique intelligent ID identification technology, more effective against interference；
4、Digital and analog mixed transmission, without the disadvantage of audio transmission delay;
5、Microprocessor control, effectively avoid receiving dead angle;
6、Up to 1200 frequency points, built-in up to 120 modules, the frequency distribution can be easily set;
7、Simple infrared frequency matching design, frequency adjustment is easy to achieve;
8、LCD liquid crystal display, the working status of the equipment is clear at a glance;
9、With balanced and unbalanced audio output, it is convenient to connect various audio equipment;
10、The receiver displays the parameters of the transmitter, which is convenient for monitoring the working condition of the microphone;
11、Reasonable design of transmitter and microphone structure, beautiful, sturdy and durable;
12、Using true diversity circuit, dual-channel sharing 2 antennas and 2 high-amp design, the reliability in complex environments is also better.

·Product Parameters

System	Model	H-700
	Use distance	≥50 meters (the actual distance is related to the surrounding environment)
	Frequency Range	640-690MHz
	Radio frequency generation	PLL Frequency Synthesizer
	RF bandwidth	30MHz-50MHz
	RF Frequency Accuracy	+/-20ppm<10kHz
	Frequency points	216 channels, the same for left and right channels
	Operating temperature	-10 degrees Celsius to 50 degrees Celsius
	Audio frequency response	45Hz-18KHz(circuit part)
	System SNR	>90dB(A-weighted, maximum output)
	System Total Harmonic Distortion	＜1.8%1KHz(300mV Output)

Receiver	Receiving method	DQPSK mode
	Diversity reception	True diversity reception (dual channels, 2 antennas, 2 high amplifiers)
	Sensitivity	-95dBm(20dB SINAD)
	Harmonic Distortion	<0.8%1KHz(300mV Output)
	Display method	LCD
	Power supply	12V 500-1000mA(Depends on model)
	Audio output method	Balanced XLR/channel mix outputs(Depends on model)
	Channel	2-way

Launcher	Dynamic Range	>90dB
	Nominal frequency offset	25KHz
	Harmonic	-45dBc
	Output Power	3mW/10mW
	Display method	LCD
	Current consumption	<150mA/3V
	Power supply	AA1.5Vx2
	Use time	About 6 hours (related to battery quality)

Pick-up Cartridge	Transduction method	Capacitive, moving coil, depending on the model
	Pickup pattern	Cardioid, supercardioid, depending on the model
	Sensitivity	＜-55dB±3dB(0dB=1V/Par@ 1KHz)
	SPL	>110dB SPL

System	Model	H-700
	Use distance	≥50 meters (the actual distance is related to the surrounding environment)
	Frequency Range	640-690MHz
	Radio frequency generation	PLL Frequency Synthesizer
	RF bandwidth	30MHz-50MHz
	RF Frequency Accuracy	+/-20ppm<10kHz
	Frequency points	216 channels, the same for left and right channels
	Operating temperature	-10 degrees Celsius to 50 degrees Celsius
	Audio frequency response	45Hz-18KHz(circuit part)
	System SNR	>90dB(A-weighted, maximum output)
	System Total Harmonic Distortion	＜1.8%1KHz(300mV Output)

Receiver	Receiving method	DQPSK mode
	Diversity reception	True diversity reception (dual channels, 2 antennas, 2 high amplifiers)
	Sensitivity	-95dBm(20dB SINAD)
	Harmonic Distortion	<0.8%1KHz(300mV Output)
	Display method	LCD
	Power supply	12V 500-1000mA(Depends on model)
	Audio output method	Balanced XLR/channel mix outputs(Depends on model)
	Channel	2-way

Launcher	Dynamic Range	>90dB
	Nominal frequency offset	25KHz
	Harmonic	-45dBc
	Output Power	3mW/10mW
	Display method	LCD
	Current consumption	<150mA/3V
	Power supply	AA1.5Vx2
	Use time	About 6 hours (related to battery quality)

Pick-up Cartridge	Transduction method	Capacitive, moving coil, depending on the model
	Pickup pattern	Cardioid, supercardioid, depending on the model
	Sensitivity	＜-55dB±3dB(0dB=1V/Par@ 1KHz)
	SPL	>110dB SPL