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One-to-four true split professional infrared frequency wireless conference (monolithic single-tube) microphone SKM4500PGBH


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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 channel selections. Features include lock control function selection and adjustable wireless gain connection. Using infrared automatic channel tracking and system locking functions, 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.

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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 at 250KHz intervals, it provides up to 200 channel selections. Lockable control function selection, adjustable wireless gain connection function, and infrared automatic channel tracking and system locking function allow any transmitter in this series to 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. The large, clear 2.5-inch HD LCD screen displays the wireless unit's battery level, frequency signal, signal strength, audio level, and other information.
    3. Color-changing pairing display screen. 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 operating status. Features full silicone light guide keys and a neat, clear display.
    4. Uses a 6.3mm unbalanced output and XLR cannon balanced output synchronous output design for easy connection to various audio processing devices.
    5. Base-style conference unit with 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; dual-switch dual-color indicator lights, without mechanical key clicks; The conference unit has a charging port, supporting direct power supply or battery charging; comes standard with 3 1.5V batteries, with a battery capacity of 1200mAh; the boom microphone built-in 2-unit hypercardioid condenser microphone core, with a maximum sound pickup distance of 1.5 meters, high-fidelity original sound; the unit has an independent volume adjustment knob, allowing for flexible placement of the conference unit at the conference site. A diversified conference system suitable for various sizes of conference occasions.
     
    System Parameters:
    Operating Frequency: UHF 640.250MHz-690MHz
    Modulation Method: Wideband FM
    Number of Channels: 200
    Channel Spacing: 250KHz
    Frequency Stability: ±0.005%
    Dynamic Range: 100dB
    Deviation: ±45KHz
    Audio Frequency Response: 80Hz-18KHz (±3dB)
    Total Signal-to-Noise Ratio: >105dB
    Total Distortion: ≤0.5%
    Operating Distance: 80m (under ideal conditions)
    Operating Ambient Temperature: -10℃~+50℃
    Receiver Specifications:
    Receiver Type: Double Conversion Superheterodyne
    Intermediate Frequency: First IF: 110MHz, Second IF: 10.7MHz
    Antenna Input: 4 BNC /50Ω
    Sensitivity: 12dB V (80dB S/N)
    Sensitivity Adjustment Range: 12-32dB V
    Spurious Suppression: ≥75dB
    Level: +10dBV
    Audio Output Jack: 4 XLR Cannon Balanced Jacks and φ6.3mm Unbalanced Jacks
    Power Supply: 220VAC/50-60HZ 12VDC/1A
    Normal Operating Current: DV12V, 330mA
    Size: 525mm (W) x 136mm (H) x 325mm (D)
    Net Weight: Approximately 1.8Kg
     
    Transmitter Specifications:
    Microphone Type: Conference uses high-end array microphone core technology, can pick up sound within a 100CM range, hypercardioid 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: >70dB
    Dynamic Range: >80dB;
    THD: <0.1%;
    Maximum Power Consumption: 4 W;
    Sound Pickup Distance: 1.5 meters
    Standards Compliance: IEC60914;
    Power Supply: Battery power/Type-C charging port direct power supply;
    Display: 2-inch color screen;
    Mounting Method: Desktop;
    Size (W, D, H): 160 x 110 x 60mm excluding boom
    Boom Length: 200mm short boom fixed boom (black)
    Standard configuration of 3 1.5V batteries with a battery capacity of 1200mAh, can last 10 hours of speaking or 12 hours continuously

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