Conference System Expansion Server
Feature* With standard digital conferencing system to expand speech units.
* Can be extended to 128 speech units after be connected to the system.
* Support 32 extension controllers' series-connection.
* With 120-220V AC input voltage; high voltage (3500V) test before putting into the market to ensure the compliance with safety standards.
* Metal shell for the master controller; circuit and Shell are strengthened to connect with the ground wire to ensure 8000V antistatic ability.
* The master controller can be installed in a 19-inch standard rack, easy to place and maintain.
* Built-in International Universal Power Supply.
Power: AC 120 or 220V; 50-60Hz
Static Power Consumption: 10W
Maximum Power: 350W
Output Power: ≤110W/24V each circuit
Audio Output: level 2Vp-p Impedance:100ΩUnbalanced
Frequency Response: 20-20KHz
S/N: > 90dB
Harmonic Distortion: < 0.1%
Overload Band Distortion: <1%
Crosstalk Attenuation (1kHz): >50dB
Interface: 8 core air plug x 5/ City electric three core AC socket