编号 :
One-to-four professional infrared frequency-matched wireless conference (single-unit) microphone SKM4400DH
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Our company's UHF, 200-channel series wireless microphones utilize DPLL (Digital Phase Locked Loop) multi-channel frequency synthesis technology and automatic noise control technology. Within a 50MHz frequency bandwidth and 250KHz spacing, it offers up to 200 selectable channels. Features include lock control function selection and adjustable wireless gain connection. Infrared automatic channel tracking and system locking ensure that any transmitter can be paired with any receiver within this series. This is especially suitable for using multiple sets of products in the same location.
Product Category：
Wireless Conference Microphones: One-to-Two, One-to-Four, One-to-Eight
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- Product Description
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Features:1. Our company's UHF, 200-channel series wireless microphones utilize DPLL digital phase-locked loop multi-channel frequency synthesis technology and automatic noise control technology. Within a 50MHz frequency bandwidth, with 250KHz intervals, it provides up to 200 channel selections. It offers lockable control function selection, adjustable wireless gain connection function, and uses infrared automatic channel tracking and system locking functions to ensure that any transmitter in this series can be paired with any receiver. This is especially suitable for using multiple sets of products in the same location.2. The display screen shows communication information. A large, clear 2.5-inch HD LCD screen displays information such as the wireless unit's battery level, frequency signal, signal strength, and audio level.3. The frequency display screen changes color. The product's front panel features a double-layer, dual-color design, with an external RF receiving signal light and an AF audio level indicator light for clearer display of the receiver's operation. It has full silicone light guide keys, and the display is simple and neat.4. It adopts a 6.3mm unbalanced output and XLR cannon balanced output synchronous output design, facilitating connection to various audio processing devices.5. It has an electronic volume adjustment function. In the idle state, briefly press the ▲▼ buttons to easily adjust the microphone volume.6. It has an [AFS] automatic search function to find clean, interference-free frequencies in the actual environment. Long-press SET to automatically search for and lock onto an interference-free channel in the actual working environment.7. It has a manual frequency adjustment function. In the idle state, long-press the ▲▼ buttons to adjust to the appropriate frequency point.8. It has an [IR] infrared automatic frequency matching function. Simply press the SET button briefly. When the display screen flashes IR, align the transmitter's and receiver's IR lights to instantly allow the transmitter to automatically and accurately lock onto the receiver's operating frequency.9. The base-style conference unit features a tabletop design, equipped with a 2-inch high-definition night crystal screen with high brightness, high contrast, wide viewing angle, and low power consumption. It displays the channel frequency, signal, power, and signal strength of the conference unit. It has dual switches and dual-color indicator lights, with no mechanical key sounds. The conference unit has a charging port and supports direct power supply or battery charging. It comes standard with 3 1.5V batteries, with a battery capacity of 1200mAh. The microphone boom has a built-in 2-unit super-cardioid condenser microphone core, with a maximum sound pickup distance of 1.5 meters and high-fidelity original sound. The conference unit can be flexibly placed in the conference venue. This diversified conference system is suitable for various large and small conference occasions.System Parameters:Operating Frequency: UHF 640.250MHz-690MHzModulation Method: Wideband FMNumber of Channels: 200Channel Spacing: 250KHzFrequency Stability: ±0.005%Dynamic Range: 100dBDeviation: ±45KHzAudio Frequency Response: 80Hz-18KHz (±3dB)Comprehensive Signal-to-Noise Ratio:>105dBTotal Harmonic Distortion: ≤0.5%Operating Distance: 80m (under ideal conditions)Operating Ambient Temperature: -10℃~+50℃Receiver Specifications:Receiver Type: Double Conversion SuperheterodyneIntermediate Frequency: First IF: 110MHz, Second IF: 10.7MHzAntenna Input: 2 BNC /50ΩSensitivity: 12dB V(80dB S/N)Sensitivity Adjustment Range: 12-32dB VSpurious Suppression: ≥75dBLevel: +10dBVAudio Output Jack: 4 XLR Cannon Balanced Jacks and φ6.3mm Unbalanced JackPower Supply: 220VAC/50-60HZ 12VDC/2ANormal Operating Current: DV12V, 330mASize: 430mm(W) 155mm(H) 45mm(D)Net Weight: Approx. 2.3KgTransmitter Specifications:Microphone Type: Conference uses high-end array microphone core technology, with a sound pickup range of 100CM, super-cardioid electret;Frequency Response: 80Hz～16KHz;Microphone Input Impedance: 1KΩ;Sensitivity: -46 dBV/Pa;Maximum SPL: 100dB(THD>3%);Signal-to-Noise Ratio: >80dB(A);Crosstalk: >70dBDynamic Range: >80dB;THD: <0.1%;Maximum Power Consumption: 4 W;Sound Pickup Distance: 1.5 metersCompliance Standard: IEC60914;Power Supply: Battery power/Type-C charging port direct power supply;Display Screen: 2-inch color screen;Installation Method: Desktop;Size (W, D, H): 160x 110x 60mm excluding boomBoom Length: 200mm replaceable short boom (black)Can be equipped with 3 1.5V batteries, with a battery capacity of 1200mAh, can last for 10 hours of speaking or 12 hours of continuous use
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YINGHUANG ELECTRONIC TECHNOLOGY CO.,LTD
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