KX-D814

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Product overview

Four channels receive signals, each channel has 100 channels to choose from, each channel steps at 0.25MHz; Each channel uses 24.75MHz; Adopt microprocessor control, PLL phase-locked loop frequency synthesis technology, the use of frequency is more flexible; · UHF band transmission signal, common frequency range: 600MHz optional 500/700/800MHz;

Product Categories: Wireless conference microphone series

Keyword: Conference Control System

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Performance characteristics
Product Parameters

Four channels receive signals, each channel has 100 channels to choose from, each channel steps at 0.25MHz; Each channel uses 24.75MHz;
Adopt microprocessor control, PLL phase-locked loop frequency synthesis technology, the use of frequency is more flexible;
· UHF band transmission signal, common frequency range: 600MHz optional 500/700/800MHz;
The same occasion can be used for 40 sets of machines at the same time, you can use 40 receivers and 80 transmitters at the same time;
· Each channel is equipped with an independent window, and the LCD screen displays multiple key information. The working status is clear at a glance, making operation and monitoring easy and convenient, thereby improving performance.
Each channel is equipped with independent volume adjustment knob, infrared frequency signal lamp, one-key frequency button, frequency front and back adjustment button, channel power switch button;
2 rubber receiving antennas are set on the back of the receiver to enhance the received signal and have a decent appearance;
The back of the XLR independent balanced output and 6.3 unbalanced mixed output coexist, can adapt to various occasions of equipment connection, to avoid confusion and embarrassment caused by equipment connection mismatch;
· Interoperability in the 400 channels, showing the humanized high-tech design;
High fidelity unidirectional capacitive microphone core, pickup distance is farther, up to 30-50CM;, smooth sound, high reduction, low noise;
1CM book seat design, metal material, durable, beautiful appearance, fashion, do not fade, no deformation.
The conference microphone tube adopts a 360-degree all-round rotation design and is detachable. The microphone head has a lamp ring to indicate the starting state;
The power consumption of the microphone is 80mA, and it is powered by built-in 3.7V and 2100mA high-capacity lithium batteries. The charging method can be wired or customized wireless charging, USB interface charging, 6 hours of charging is completed, and it can be used continuously for 10 hours;
External small antenna design, receiving more stable, effectively increase the receiving distance;
Use distance: open environment: 80-100 meters complex environment: 50-80 meters
Receiver parameters (receiver parameter)
Oscillation mode (Oscillation: ): Phase-locked loop frequency synthesis (PLL syntheized)
Frequency range (Carrier Ferquency Range):UHF 600MHz-699.75MHZ (commonly used), can be customized 500MHz-599.75MHz, 700MHz-799.75MHz, 800MHz-899.75MHz
Frequency stability (Frequency Stability):± 0.001%
Maximum frequency offset (Max.eviation Range):± 30KHz
Modulation (Modulation Mode):FM
Signal to noise ratio (S/N Ratio):>60dB
Distretion (T.H.D):<0.5%@ 1KHz
Receiving sensitivity (Sensitivity):1.2/UV @ S/N = 12dB
Power Supply: DC:12V ~ 17V
Audio Output: Free standing 0 ~ 400mV Mixed style 0 ~ 300mV
Power: two channel 3W/four channel 6W/eight channel 12W
Working environment temperature:-10°C ~ 50°C

Emitter parameters (Shoot machine parameter):
Power Supply: Built-in lithium battery 3.7V
话筒耗电量(Consume an electricity quantity)：100mA
Carrier Frequency (Carry a frequency):UHF 500MHz ~ 899.75MHz
Frequency stability (Frequency stability):± 0.001%
Maximum frequency offset (Max.eviation Range):± 30KHz
Signal to noise ratio (S/N Ratio):>60dB
F/N Ratio:>80dB
Dynamic range (Dynamic range):≥ 100dB
Type: Capacitive (capacitance)
Polar psttern: Single directivity (One direction)
Frequency response (Frequency Resonse):40Hz ~ 20KHz
Microphone sensitivity (Sensitivity):-43±2dB @ 1KHz
Power consumption: 10mV