One with four fixed frequency UHF wireless microphone

SKM5400

Receiver parameters:

(1) Using PLL digital phase-locked loop multi-channel frequency synthesis technology, standard IEEE Drat2.0 802.11n wireless indicators, to ensure the confidentiality and speed of transmission, strict digital protection to ensure the privacy of the meeting, and avoid eavesdropping and malicious interference; Using high-performance audio processing chip, ultra-high frequency dynamic compression shunt technology, high and low frequency automatic shunt loading, showing better dynamic performance; in the 50MHZ frequency bandwidth at 250KHz intervals, it provides up to 200 channel options, and can lock the control function selection , Adjustable wireless gain connection function; frequency stability: within ±0.005%, dynamic range: 100dB, maximum frequency deviation: ±45KHz, audio response: 80Hz-18KHz, comprehensive signal-to-noise ratio: >105dB, comprehensive distortion: ≤0.5% , Wireless interface: BNe/50 ohm, sensitivity: 12DB Bμ (80dBS/N), sensitivity adjustment range: 12-32DB, spurious suppression: ≥75dB, maximum output level: ±10DB V, convenient for multiple sets of machines to be used at the same time, Easily avoid all kinds of interference; ultra-long distance ≥100 meters stable signal, using one-key automatic radar to search for the best frequency and automatic frequency, completely simplifying the complex engineering installation, the new concept of digital pilot technology, completely solving the KTV room interaction Cross-frequency phenomenon, never cross-frequency; four display screens independently display a single channel of information, a large and clear high-definition 2-foot LCD screen can check the wireless unit battery power, frequency signal, signal strength, audio level and other information status; All-silicone light guide buttons, the display is simple and neat; the sound curve has been carefully adjusted, the sound is warm and transparent, equipped with a howling suppression function circuit, a brand-new audio circuit structure, and the audio signal processing adopts the international top high-performance audio processing chip, ultra-low Distorted sound processing circuit design, with excellent performance in the details of the sound, strong dynamic tracking ability makes the long and short distance pickup and playback freely; debugging is simpler, and supports wireless all-digital communication conferences.

(2) External independent antenna output port, built-in frequency two-way encryption signal technology locking, adding frequency stabilization technology, completely solve the problem of signal dead angle cut in the effective range, reduce breakpoints and delayed signal breakpoints, and make reception more stable. long distance. Multiple sets can be used at the same time without serial frequency or interference.

(3) Four-channel receiver, equipped with a 6.3mm unbalanced audio output port and four XLR balanced audio output ports, for better detailed and independent control of each sound adjustment.

(4) Adopt 128-bit AES encryption technology, support WPA/WPA2 wireless security technology; support manual/automatic frequency coding function.

(5) Support all input and output audio volume can be adjusted; with high-strength anti-electromagnetic wave interference design of mobile phones, multi-level error correction and encryption, to prevent mobile phone electromagnetic interference and adjacent channel interference suppression, super anti-howling suppression. Add an encryption lock function to prevent misoperation by non-professionals;

Transmitter parameters:

(1) PLL digital phase-locked loop multi-channel frequency synthesis technology is adopted, and digital transmission technology is adopted between the fully digital receiving host and the transmitting unit to ensure the privacy of signal transmission and avoid eavesdropping and malicious interference. The unit microphone can adjust different sound effects according to the voice characteristics of the speaker until the perfect effect is achieved; it adopts 128-bit AES encryption technology, supports WPA/WPA2 wireless security technology, has a high-strength anti-electromagnetic wave interference design of mobile phones, multi-level error correction and encryption , Eliminate mobile phone electromagnetic interference and adjacent channel interference suppression, and provide higher confidentiality of the conference system;

(2) The all-metal tabletop design of the array type conference unit is stable and highly textured, and the design of unobstructed people’s line of sight makes the desktop more tidy; equipped with a 2-inch high-definition night crystal screen with high brightness, high contrast, wide viewing angle, and low Power consumption, etc., can display the speech list, speech timing, signal, power, signal strength and other information of the conference unit; the inductive touch switch has no mechanical button sound, long life and waterproof function, two-color indicator; the conference unit has a charging port, Supports direct power supply or battery charging; standard configuration 2 1.5V batteries, battery capacity up to 1200mAh, can continue to speak for 10 hours or work continuously for 12 hours or can be directly powered for unlimited working hours; built-in dual antennas, greatly improve signal transmission efficiency, compatibility Upgrade program; equipped with howling suppression circuit, built-in 15-unit super-cardioid condenser microphone core, up to 2 meters pickup distance, high-fidelity original sound; support Chinese and English language interface switching.

(3) Base-type conference unit countertop design, equipped with a 2-inch high-definition night crystal screen, with high brightness, high contrast, wide viewing angle, low power consumption, etc., which can display the channel frequency, signal, power, and signal strength of the conference unit And other information; dual-switch, dual-color indicator light, no mechanical button sound; conference unit has a charging port, which can support direct power supply or battery charging; standard 2 1.5V batteries, battery capacity up to 1200mAh, lasting 10 hours of speaking or continuous 12 hours Work or direct power supply for unlimited working hours; built-in dual antennas, greatly improving signal transmission efficiency, compatible with upgrade procedures; replaceable dual microphones with built-in 2 units of super-cardioid condenser microphone cores, up to 1.5 meters of pickup distance, high security True original sound; the unit has an independent volume adjustment knob, and the conference unit is flexibly placed on the meeting site. Diversified conference system, suitable for various meeting occasions;

(4) Handheld microphone unit all-metal dual-tube dual-combination design; moving coil microphone core, equipped with howling suppression circuit, brand-new audio circuit architecture, audio signal processing adopts international top high-performance audio processing chip, ultra-low distortion The sound processing circuit design has excellent performance in the details of the sound. The strong dynamic tracking ability makes the long and short distance pickup and playback freely; super anti-howling suppression; KTV projects, large and small performance projects, easy installation and debugging .

(5) Microphone type: The conference adopts high-end technology array microphone core, which can pick up 100CM range, super cardioid directional electret;

Hand-held using moving coil microphone core,

Frequency response: 80Hz～16KHz;

Microphone input impedance: 1KΩ;

Sensitivity: -46 dBV/Pa;

Maximum SPL: 100dB (THD>3%);

S/N ratio: >80dB(A);

Crosstalk: >70dB;

Dynamic range: >80dB;

THD: <0.1%;

Maximum power consumption: 4 W;

Headphone load: >16Ω;

Headphone volume: maximum 40mW;

Headphone jack: 3.5mm mono jack;

Follow the specification: IEC60914;

Power supply mode: battery power supply, direct power supply from the charging port;

Display: 2-inch color screen;

Installation method: desktop;

Wireless frequency range: 5GHz.

Standard configuration 2 1.5V batteries, battery capacity up to 1200mAh, lasting 10 hours of speaking or 12 hours of continuous

Peripherals