Simultaneously convert 4 CH independent analog audio signals into 4 CH independent network audio signals and send them to the server
Features:
Cable of exporting 4 CH independent network audio code and independent volume adjusting.
4 channels alarm activation input interfaces.
Local offline alarming or local audio playing.
4 channels local audio file download for offline playback or alarm
Specifications:
| Model | DN-911C |
| Power & consumption | AC220V, W5W |
| Network protocol | TCP、UDP、ARP、ICMP、IGMP |
| Network chip speed | 10/1OOMbps |
| Audio coding | MP2/MP3/PCM/ADPCM |
| Audio sampling, bit rate | 8kHz〜44. 1kHz, 16 bit，8kbps-320kbps |
| Signal to noise ratio | ≥ 90dB |
| Frequency response | 20Hz-20KHz |
| Network sound delay | PA delay ≤ 100ms |
| Audio ports | 4 CH audio signal input ports, independent volume potentiometer adjustment |
| Network interface | 4 channel network digital audio signal output port |
| Dimension | 483X256X44 mm |
