Integrated wall mounted design, all-weather outdoor rainproof design, professional large cast aluminum digital broadcasting sound column, exquisite and beautiful, exquisite craftsmanship, exquisite workmanship. Integrating IP network audio decoding, amplifier, and speaker, the audio adopts a hard decoding form and integrates IP network hardware decoding module. It can receive music remotely transmitted from the server for real-time playback, and can also receive one-way broadcast call function. Adopting high-speed industrial grade dual core (ARM+DSP) chips, with a startup time of ≤ 1 second. Equipped with a built-in power amplifier, the sound quality reaches CD level. Equipped with 1 RJ45 10/100M network interface, it can be directly connected to the network for use. The volume can be remotely adjusted through IP network broadcasting software. It can be connected wherever there is an Ethernet port, supporting cross network segment and cross routing, with 1 RJ45 network interface and 1 220V power interface