Audio and Video Management Center

Support 5-inch LCD touch screen
Support scene switching, volume adjustment and video switching

Support 8-serial port central control host

The central control interface adopts Phoenix terminal block

Support TCP/UDP/MQTT, TTL, IR, RS232, RS485 protocols.

The data flow indicator can be used to observe the data transmission visually.

Technical parameters:

Support 100M Ethernet TCP/UDP/MQTT network communication protocol

Support 1-way TTL control

Support 7-way RS232/RS485 control

Support infrared control (8 channels can be expanded by adding an expansion box), and 8 channels of short circuit signal output control.

Support wall panel control

Support mobile phone control

Support tablet control

8-in 8-out audio matrix (optional DANTE module, one module has 8 channels)

AFC，AGC，AEC，ANC，AM，ANS

Analog input channel: 8

Analog output channel: 8

Processor: ADI SHARC 21489@450 MHz SIMDx2；

DSP processing capacity: 400 MIPS, 1.6 GFLOPS;

Sampling rate: 48 kHz, ± 100 ppm;

THD+N:<-94dB @17dBu

Input dynamic range: 110dB

Output dynamic range: 112dB

The processing module is configurable and can be replaced freely as required;

Built in one in one out USB sound card, supporting music playback, recording and soft video conference (such as ZOOM, Tencent Conference, Nail Conference, etc.);

Bus type AEC, tail time: 512ms, convergence rate: 60dB/S, echo cancellation amplitude: 60dB;

AFC (feedback suppression) of independent channel adopts notch algorithm, and the sound transmission gain is increased by 10dB;

Noise suppression (ANS), signal to noise ratio increased by 18dB

Dodger;

Noise gain compensator (ANC)

Gain sharing automatic mixing (AMC), gate mixer;

16 segment British parametric equalization, providing five filter options: Parametric, Lowshell, Highshelf, Lowpass, Highpass;


8-in 8-out hybrid seamless matrix with audio separation (number of optional cards, 4 channels per card)

Seamless instant switching, no black screen, no slow transition process, as fast as film lens change;

The output resolution is adjustable to adapt to a variety of different displays;

With splicing function, it supports ordinary TV, LCD and DLP to realize large screen splicing function;

DVI, VGA, AV, HDMI input boards all have audio input, and audio can be integrated into HDMI output video, that is, the HDMI cable at the output end can transmit the input video and audio at the same time. When connecting HDMI display devices such as TV, it is not necessary to connect an audio cable;

DVI, VGA, AV, HDMI, and output boards all support independent audio output, and audio signals can be output at both HDMI digital interface and 3.5 audio analog interface;

HDMI and DVI input terminals are equipped with digital equalization adjustment circuit, and the output is equipped with signal pre emphasis enhancement circuit, so that the signal can be transmitted over a longer distance, and the input and output distance can exceed 25 meters;

The plug-in structure design adopts the design of 4 channels for each card, which can flexibly configure the input and output signal types and the number of signal channels. It is convenient to expand and maintain. The host can be compatible with different signals at the same time, and can be configured with different input and output boards such as AV, VGA, YPbPr, DVI, HDMI, HD-SDI, etc., which do not interfere with each other and transmit at the same time;


8-channel digital power amplifier (optional number of power amplifiers, one for each channel)

The design adopts the principle of PWM digital pulse width modulation amplification, which has the advantages of high efficiency, small size and light weight.

4 independent module design, pluggable. 4-channel input and output, built-in compression circuit.

3PIN Phoenix input, 3PIN Phoenix cascade output, direct bare wire screw connection, eliminating the trouble of welding.

It supports 4/8 Ω fixed resistance output, can be connected to fixed resistance speaker, supports 100V constant voltage output, and can be connected to constant voltage speaker, which facilitates the mixed sound reinforcement of broadcast speakers and professional speakers in the conference room.

Built in temperature protection device, when the equipment temperature is higher than 80 ℃, the equipment will automatically enter the stop working state. When the temperature is lower than 60 ℃, the equipment will automatically recover.

Input signal indicator, signal clipping indicator, protection indicator, power indicator, constant resistance mode indicator, constant voltage mode indicator.

Constant resistance output: 8x300W 8 Ω

Constant resistance output: 8x400W 4 Ω

100V constant voltage output: 8x300W

Input sensitivity: 0.775V

Input impedance: 20K Ω balanced

Input sensitivity: 0.77V 1V 1.44V

Input common state rejection ratio:>80dB

Horn connection base: 2pin connection base

Signal to noise ratio:>105dB

Damping coefficient:>300

Total harmonic distortion:<0.1% (20 Hz - 20 kHz 1W)

Frequency response: 20Hz-34KHz (+0/-0.3dB, 1W/8 Ω)

Compression mode: automatic compression

Input mode: balanced input: Phoenix terminal

Unbalanced input: Phoenix terminal

4-bit function switching dial switch

Built in fan structure

Independent pluggable modular design of power amplifier, automatic compression.

Heat dissipation mode: front and rear heat dissipation structure

Protection: short circuit, overcurrent, temperature protection

Power supply range; 180-250VAC 50-60Hz