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XT500 Wired Daisy-Chain Conference Main Unit Discussion-Only Gooseneck Type

Adopts fully digital integrated circuit technology, integrating conference discussion and expander functions into one main unit.
Six speech modes: Chairman-only, FIFO (First-In-First-Out), LIFO (Last-In-First-Out), Limited speech, Open mode, Override rotation.
Four selectable speaker counts: 1, 3, 6, or N (optional). Speaker count can be freely selected based on speech mode, with intelligent speaker count recognition.
Power-on self-test: all button indicator lights flash around once; the main unit beeps when connection status is abnormal.
Intelligent power-off memory: remembers program running status; after unexpected power loss, restores the last settings upon power restoration.
Touch-button control panel for setting speech mode and speaker count.
Equipped with balanced audio output, 6.3mm output port, background audio input/output RCA interfaces, and recorder interface.
Each main unit supports up to 60 conference microphone units; features 4 daisy-chain outputs, each supporting up to 20 units; each additional power expander allows 60 more microphone units.
DIP switch selection between expander mode and main unit mode.

Microphone powered by system main unit, ultra-low power consumption.
Precision dust-proof mesh capsule design, uses airflow principles to enhance sound quality.
Equipped with high-fidelity unidirectional condenser capsule, accurate sound reproduction, high clarity, low noise.
Combined circuit and capsule processing for anti-mobile phone interference.
Gooseneck design with flexible lower tube, adjustable to various angles.
Red LED ring on gooseneck indicates working status.
One-touch speech activation to enter working mode.
Chairman unit has priority speech right and can mute other delegate units at any time.
Chairman unit has delegate speech approval button, signifying authority.
Conference unit supports hot-swapping, comes with 2m 8P cable; daisy-chain connection mode, easy installation and flexible operation.
Type: Condenser

Host Parameters:
Power Supply: AC 100-240V~ 50/60Hz
Output Impedance: RCA: 200Ω, LINE: 200Ω, BALANCE: 300Ω, UNBALANCE: 400Ω
Input Impedance: LINE: 50KΩ, PBIN: 50KΩ
S/N Ratio: >90dB
Power Consumption: 120W
Chassis Dimensions: 480×220×56mm
Accessories: 10m 8P shielded cable

Microphone Parameters:

Polar Pattern: Unidirectional
Frequency Response: 40Hz-16kHz
Sensitivity: -43±2dB@1kHz
Input Voltage: DC 9V (powered by main unit)
Minimum Input Impedance: 1KΩ
S/N Ratio: 90dB(A)
Output Socket: 2.0m 8P terminal
Input Cable: 2.0m 8P shielded cable
Accessories: Windshield foam

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