编号 :
HD-724
HD-724 Quad Professional cordless Conference Microphone System
HD-724
零售价
市场价
UHF frequency band transmission signal, frequency range: 640MHz-690MHz,
Four channels receive signals, each with 50 channels to choose from, with each channel stepping at 250KHz;
Using stable PLL digital phase-locked loop synthesis technology and intelligent digital circuits, the whole machine
Product Category：
Wireless Conference Microphone
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隐藏域元素占位
- Overview
- Product Support
- Specs
-
Features
- UHF frequency band transmission signal, frequency range: 640MHz-690MHz,
- Four channels receive signals, each with 50 channels to choose from, with each channel stepping at 250KHz;
- Using stable PLL digital phase-locked loop synthesis technology and intelligent digital circuits, the whole machine
- Significant improvement in performance stability; Each channel is equipped with a unique 1D number, and each channel has Independent window, LCD screen displays working channel, working frequency, received signal, and sound Frequency signal;
- High fidelity ultra heart-shaped directional capacitor microphone core, with good sound reproduction. The pickup distance can reach
- Up to 30-50CM;
- Two rubber receiving antennas are installed on the back of the receiver to enhance the received signal and have a generous appearance appropriate; Support the use of 5 stackers (i.e. 5 receivers and 20 transmitters);
- There are 4 balanced outputs, 1 mixed unbalanced output, and 1 mixed balanced output on the back Output, suitable for connecting various external devices;
- Advanced infrared automatic frequency matching technology, one click synchronization of transmission and host frequency points, using aspect; The panel has a locking function, which locks all buttons except for the power switch when the panel is locked Will lose its effectiveness to prevent accidental operation;
- The host has an automatic frequency scanning function, which can effectively help find the one with the least interference level Frequency point, easy debugging;
- Flexible gooseneck microphone design, adjustable 360 ° in all directions, with pole light ring indication Speech status (gooseneck);
- Detachable square tube microphone rod with a four sided mesh design for smoother and smoother sound Management); The microphone consumes approximately 130mA and is powered by a built-in 18650 rechargeable battery
- Can be used continuously for 12 hours:
- The host, waist bag, and handheld transmitter all have LCD screens, and the conference transmitter adopts a large size Inch round display screen, clear display of working status and other content;
- Usage distance: Open environment: 150-200 meters; Complex environment: 50-100 meters Suitable for various conference and speech occasions.
System Parameters RF Range: 640.00 - 690.00MHz Available Bandwidth: 250Hz per channel Modulation Mode: FM Number of Channels: 200 channels with infrared automatic frequency pairing Deviation: ±45KHz Dynamic Range: ≥110dB Audio Response: 80Hz - 18KHz (+3dB) Overall Signal - to - Noise Ratio: >105dB Overall Distortion: ≤0.5% Frequency Stability: ±0.005% (-10 - 40°C) Transmitter Oscillation Mode: PLL phase - locked frequency synthesis Carrier Frequency Band: UHF 640 - 690MHz Frequency Width: 50MHz Frequency Adjustment: Automatically track the receiver's working channel Output Power: (High) 30mW / (Low) 15mW Preset Channels: 200 Frequency Response: 60 - 18,000Hz Directionality: Supercardioid Directionality Sensitivity: -80 ± 3dB Output Impedance: 750Ω Battery Used: Built - in rechargeable 18650 lithium battery Operation Display: High - definition display screen shows battery capacity, channel, low - voltage warning and working status at the same time Visible Transmission Distance: 200 meters 
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Add: No. 20, 22, 24, 5th Road, Shuinan Development Zone, Nanpu Village, Xintang Town, Zengcheng District, Guangzhou, Guangdong , China
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