product description:

Comes with 100V constant voltage backup switching function, network channel priority, constant pressure channel second.

Using high-speed industrial-grade dual-core (ARM + DSP) chip, start-up time ≤ 1 second.

Built-in high-fidelity speakers and stereo Class D 8Ω 20W power amplifier.

Built-in loop detection function, you can remotely monitor the working status of the speaker for easy maintenance.

1 microphone, 2 line inputs, and volume adjustment knob.

The service software can adjust the volume remotely, and can use the knob to adjust the microphone and line input volume locally.

Standard RJ45 network interface, can be accessed where there is an Ethernet port, and supports cross-network segment and cross-route.

Product parameters:

Network communication protocols: TCP, UDP, ARP, ICMP, IGMP

Network chip rate: 10 / 100Mbps

Audio coding: MP2 / MP3 / PCM / ADPCM

Audio sampling, bit rate: 8KHz-44.1KHz, 16 bits, 8Kbps-320Kbps

Signal to noise ratio, frequency response: ≥90dB, 130Hz-18KHz

Network sound delay: broadcast delay ≤100ms

Frequency response: 130Hz-18KHz

Sensitivity: 89dB

Interface: 1 network interface, 2 line inputs, 1 microphone input, 1 power output

Power supply, power consumption: AC 220V ± 10% / 50Hz

Dimensions (W × H × D): 135 × 300 × 210mm

Weight: 2.9Kg;