BK-910

Description
* Built-in power supply, the output power is 450W, can push more than 50 groups devices to speak, just adding a expansion device, can run more than 200 groups speaking devices.
* With four 8P-DIN sockets for system connection.
* With audio output port, balanced and unbalanced.
* Built-in volume adjustment processor can adjust bass and treble.
* System volume independently adjustable.
* With 1 AUX input, volume can be independently adjustable.
* With Monitor headphone jack, volume can be independently adjustable
* Attendance unit automatic shutdown function is optional.
* Panel has four Mode feature buttons for setting, and LCD display.
* Support for multiple conference modes such as: free discussion, FIFO, restrictions for speaking and so on.
* Frequency response :50-60K SNR: 90DB Distortion: <0.2% 1KHZ
* Output impedance: 600 ohms Maximum power consumption: 450W
 
 
(Chairman) Description
* Frequency response :60-16KHZ
* Sensitivity: -24B±2dB
* Reference speaking distance: 20-100cm
* Microphone with speaking key and indicator light, you can control / direct the local state
* With chairman priority control buttons can be set permanently terminate or pause all speaks on microphones.
* System Chairman unlimited number of units, and can be placed anywhere in the loop
* Chairman Unit in System is unrestricted by limit function
* Rolling condenser microphone pole has lever and speaking indicator ring.
* Microphone unit provides power from the system host, 24V input voltage is within safe range;
* With two 3.5MM output sockets, can connect to be recordings and even headphones
* Built-in high fidelity speakers, with volume control
 
(Delegate) Description
* Frequency response: 60-16KHZ
* Sensitivity: -24B±2dB
* Reference speaking distance: 20-100cm
* Microphone with speaking key and indicator light, you can control / direct the local state
* Rolling condenser microphone pole has lever and speaking indicator ring.
* Microphone unit provides power from the system host, 24V input voltage is within safe range;
* With two 3.5MM output sockets, can connect to be recordings and even headphones
* Built-in high fidelity speakers, with volume control
* The units are hand in hand connected