1. The host supports unit hot swapping operations without affecting the overall operation of the machine.

2. The host supports both automatic and manual addressing methods to meet the needs of users.

3. The host is equipped with two 232 ports, one for the 232 receiving end and the other for the 232 sending end. The host can cooperate with the central control to complete various operations.

4. The single machine is equipped with 4 aviation plug-in interfaces, each of which can carry 25 units. The 4 channels can connect up to 100 units, and after expansion, can connect up to 250 units. At most, 12 chairman units can be used simultaneously.

5. The unit interface is a 9-pin locking aviation plug, equipped with an advanced power supply system. A single extension cable can connect up to 300 meters and can be used normally with 40 microphones, suitable for various wiring requirements in modern venues.

6. The host is equipped with a LCD display screen, making it easy to operate various parameters of the host.

7. The number of host speakers can be set arbitrarily from 1 to 12.

8. Has multiple speaking modes: Chairman mode, Discussion mode, Automatic mode, Full open mode, First in First out, Last in First out, to better adapt to the requirements of a wider range of venues.

9. The host has voice control function, allowing the unit to be opened in two ways: manual and voice control.

10. The host can be set with a power on password to provide more secure protection against accidental activation of the host and conference system.

11. The host is connected to the camera and can achieve video tracking function. The modes are divided into automatic tracking, conference lecture tracking, and can also be connected to a high-definition video switcher to achieve the use of up to 6 high-definition cameras, suitable for various venue needs. It supports multiple camera protocols, such as EVI-D70, Yan, Pelco D, Pelco P, BRC-Z330, or customized special protocols, and can be connected to the camera via 232 or 485.

12. Multiple audio output methods, including balanced output, 6.35mm output, and two auxiliary lotus input and output interfaces, meet the connection requirements for conference recording and can be matched with various sound reinforcement devices.

13. Equipped with a 6.35mm monitoring headphone jack, it provides conference operators with a better understanding of the important situation at the conference venue.

Power supply voltage: AC220V/50Hz

Maximum current loss: 1A

Frequency response: 50Hz -205kHz

Signal to noise ratio:>85dBA

Distortion:<0.05%

Communication serial port: 9P RS232 serial port (3 channels)

8P RS232 S port (1 channel)

3P RS485 Phoenix Port (1 channel)

In the output interface: RCA socket (2 channels)

XLR XLR socket (1 way)

9P aviation socket (4-way)

6.35mm socket (1 circuit)

Size (L x W x H): 483 x 323 x 90mm

Weight: 5.5Kg

Color: Black

Installation method: 19 inch standard cabinet