400-1388-198
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Conference System
- Integrated Conference System Controller
- Intelligent Dual Transmission Fully 5G Digital Conference System
- Secure Conference System
- Starry Sky Series
- Digital Wired Conference System
- Wireless Conference System
- Dante Conference System
- Infrared Simultaneous Interpretation System
- Voting System
- Condenser Microphone
- Paperless Conference
- Conference Management System
- Centralized Control And Switching System
- Remote Video Conferencing System
- Educational System
- Pro Audio Sound System
- Public Address System
- Stage Lighting
0102
All-Digital Dual-diaphragm Mic with 70-channel Simultaneous Interpretation HY-8520C HY-8520D

HY-8520C Chairman Unit

HY-8520D Delegate Unit
Product Features
-- Equipped with a 4.0" IPS full-color touchscreen display, supporting Chinese, English, Russian, and French; displays meeting speaking mode, unit ID, date, time, speaking status, speaking time, and other information.
-- Supports wired simultaneous interpretation, with 69+1 simultaneous interpretation audio channels. Select any channel to listen to via the unit interface.
-- Built-in 2 x 14mm high-fidelity gold-plated condenser dual-diaphragm pickup cartridge, based on an improved variable-step-size DDCS adaptive algorithm for noise reduction, enabling maximum Significantly reduces background noise, improving signal-to-noise ratio and voice pickup clarity.
-- Supports service call functionality with 5 pre-set service call options: pen and paper, tea and water, paper towels, cleaning, and meeting personnel.
-- The sponge cover is designed to prevent falling off. It features elastic construction, excellent breathability, and a built-in snap-on anti-loosening bracket, preventing it from falling off or deforming during use.
-- Adjustable polar patterns, including supercardioid, cardioid, acute cardioid, figure-8, and omnidirectional.
-- 6 modes: first-in-first-out, speaking in turns (number limit), application to speak, voice-activated start, time-limited speaking, and free discussion;
-- The number of speakers can be set from 1 to 32, with no limit on the number of chairpersons and VIPs. Free discussion mode can be enabled for all speakers without restrictions.
-- Supports meeting sign-in and voting. The chairperson unit can initiate and end sign-in and voting processes via the software.
-- 5-band EQ adjustment via the unit interface or conference management software, each band offering a ±10dB adjustment range, allowing for customized sound effects tailored to the speaker's voice characteristics.
-- Three identity permissions are available, including support for changing a delegate unit to a VIP unit via the software.
-- Supports display brightness adjustment, which can be customized through the unit interface.
-- The unit supports the TCP/IP protocol suite, including ICMP, HTTP, UDP, TCP, IGMP, and other protocols.
-- The unit supports PING packets.
-- One Type-C port allows for software upgrades and maintenance without disassembling the device.
System topology

| Type | Audio Conference System, Network Conference System, Video Conference System |
| Brand | HUAIN |
| Model Number | HY-8520C/HY-8520D |
| Polar Patterns | Supercardioid, Cardioid, Hypercardioid, Figure-8 (or Bidirectional), Omnidirectional |
| Base size | 145×105×55mm (excluding microphone stem) |
| Frequency Response | 20Hz~20KHz |
| SNR | 92dB |
| Max Sound Pressure Level | 136dB |
Wired simultaneous interpretation: |
69+1 channels |
Data interface |
Type-C |
| Color | Dark gray |




