Digital conference host HA-2120M, [Video discussion type digital conference system host]

1. Built in dual interface module, providing no less than 4 8-core dedicated interfaces and 4 RJ45 network cable interfaces, supporting mixed use;
2. It has a speech timing function. Each microphone unit starts timing when the microphone is turned on to speak, and the timing time is displayed on the LCD color screen of the microphone unit, making it convenient for speakers to control the duration of their speech;
3. Equipped with EQ balance adjustment for high, medium, and low frequencies, microphone total volume control, and the ability to uniformly turn off the sound from the built-in speaker of the microphone;
4. Built in high-definition color 3.5-inch LCD display screen, with Chinese and English menu language display options;
5. Provide RS232 central control interface, which can control microphone on/off, conference mode switching and other functions;
6. Equipped with voice activated microphone function, the threshold level of voice control can be adjusted;
7. All microphones have real-time display of usage status. When the indicator light is on, the microphone can be turned on or used to speak;
8. Supports hand in hand circular links, with a single host capable of connecting up to 60 conference system units, and supports expansion to simultaneously connect up to 256 conference system units;
9. Built in USB interface, supports MP3 format recording function, and can support up to 32GB USB storage;
10. Equipped with multiple audio outputs, it can simultaneously connect various audio and video devices;
11. It has no less than 8 conference discussion and speaking modes: time limit, intelligent number limit, first in first out, intelligent application for speaking, fully open mode, chairman specific mode, voice controlled start mode, and automatic testing mode;
12. Built in 4-in-1-out HDMI high-definition seamless switching module, can connect to 4 high-definition cameras, supports up to 1080P 60Hz resolution, and has multiple sets of RS-485 camera control interfaces;
13. Equipped with multiple control camera protocols including PELCO-D, PELCO-P, and VISA;
Technical Specifications
Input/output: 8P-DIN × 4 RJ45 × 4
Input: RCA x 1
Output: XLRM x 1 (balanced) RCA x 1 6.35mm x 1
Video input/output: 4 HDMI IN/1 HDMI OUT( 1080P@60Hz )
Working voltage power supply: AC220V -50HZ
Power loss current drain: 120W (MAX)
Frequency response: 20Hz-20KHz
SNR: 78dB (1KHz THD1%)
Audio impedance:
Line input LINE IN: 50K Ω,
Line output LINE OUT: 200 Ω
Balanced output BALANCE: 300 Ω
Unbalanced output MAX OUT: 400 Ω
External dimension: 480 × 325 × 88mm
Weight: Approximately 8.5kg
