HD4000True diversity four-channel wireless microphone receiver
Number of adjustable channels: 100 × 4;
Oscillation mode: Phase Locked Loop Frequency Synthesis (PLL);
Frequency stability: ±10 ppm;
Receiving method: True Diversity Superheterodyne Quadrature Frequency Conversion;
Pilot signal method: Digital Pilot;
Circuit audio frequency response: 20 - 20000 Hz;
Harmonic distortion: ≤ 0.5%;
Signal-to-noise ratio: ≥ 50 dB;
Audio output: Balanced output and Mixed output;
Receiving sensitivity: ≤ -100 dBm;
Power supply specifications: 12VDC/2A
PRODUCT DETELS / Details
I Technical Specifications
HD4000 Wireless Microphone Receiver
Frequency range：640-690MHz
Variable number of channels：100×4
Oscillation mode: Phase-locked loop frequency synthesis (PLL)
Frequency stability: ±10 ppm
Receiving method: True diversity superheterodyne secondary frequency conversion
Pilot mode: Digital pilot
Circuit audio frequency response：20-20000Hz
Harmonic distortion：≤0.5%
Signal-to-noise ratio: ≥50dB
Audio output: Balanced output and mixed output
Receiving sensitivity：≤-100dBm
Power supply specifications：12VDC/2A
Handheld / waistpack / swivel-head transmitter
Frequency range: 640 - 690 MHz
Adjustable channel count: 200
Oscillation mode: Phase-locked loop frequency synthesis (PLL)
Harmonic suppression: -30 dB
Modulation method: Frequency Modulation (FM)
Frequency modulation method: Infrared frequency synchronization
Maximum offset degree: +-45KHz
RF power output: 3-30mW
Microphone type: Dynamic coil type
Power supply method: 2 AA batteries
Usage duration: Approximately 8 hours
