1. Integrated design, integrating network audio decoding, digital power amplifier and sound column.
2. The terminal support service software can adjust the volume remotely
3. The bottom has a waterproof indicator to display the online status of the terminal
4. All-weather design, waterproof grade up to IPX5.
5. The standard RJ45 network interface can be accessed where there is an Ethernet port, and supports cross-network segment and cross-routing
6. Power consumption DC15V-24V/3A, standby ≤ 2.5W ± 0.2
7. Network communication protocols TCP/IP, UDP, ARP, ICMP, IGMP
8. Audio encoding MP3
9. Audio sampling, bit rate 8kHz~44.1kHz, 16bit, 8kbps-320kbps
10. Signal-to-noise ratio, speaker frequency response ≥ 80dB, 50Hz - 18kHz
11. Network voice delay broadcast delay ≤ 30 m, support all-netcom, default shipment of China Telecom (other traffic shall be handled by itself)