XD-DF2000conference terminal
Introduction:
XD-DF18C conference terminal adopts advanced dedicated communication integrated circuit, so it has superior performance, simple operation and reliable use. It is appropriate for various interactive teleconferences and conference junction system like simulation and digital system. Hence, it is ideal terminal equipment for users of teleconferences.
Graphical representation of the product:
Main functions:
It has functions like two/ four-wire compatibility, automatic anti-singing of electric circuits, tape recording and playback of receiving and transmitting, four-wire (used for digital junction machine), high-power output, PA interface for large meeting places, time of liquid crystal display, telephone receiver, hands free interchange and control of noises in lines.
Technical parameters:
(1) Input level of microphone interface: -52dB
(2) Output level of transmitting: two-wire 0 dB ±1dB
Four-wire +7.5dB ∽-13dB
(3) Minimum input level that receiving allows to accept: two-wire -12dB
Four-wire -15dB
(4) Rate and distortionless output power of receiving is 10W and maximum output power can reach up to 18W.
(5) Channel distortion coefficient
Transmitting ≤5% (normal level, tested at 400Hz)
Receiving ≤3% (rated output power, tested at 400Hz)
(6) Degree of receiving and transmitting noise dense ≥52dB
(7) Nominal resistance of interface 600Ώ
Externally connected speaker interface 4 Ώ
(8) Working power supply: AC 220V or DC 12V