4 inch IP network active waterproof sound column OM-221/222/223

◆Integrated design, integrated network audio decoding, digital power amplifier and sound column.

◆High-grade aluminum shell, high-strength waterproof design, suitable for installation in a variety of places.

◆Adopts 4.5-inch full-range speaker unit and 2-inch tweeter.

◆Built-in one-way network hardware audio decoding module, the sound quality reaches CD level, and supports two audio formats, MP3 and WAV.

◆It has 1 3.5m line input interface, which can be connected to an external audio source for local sound reinforcement, (infrared sensing function can be added).

◆It has 2 short-circuit inputs. The short-circuit input can be associated with the linkage task to play audio files to the specified terminal. The playback audio source can be a media library, speech synthesis, and terminal acquisition. You can customize the playback time of the task.

◆It has one power output and can be connected to the same power constant resistance sound column.

◆It has two power supply methods: 24V power supply and 220V power supply.

◆Adopts high-performance ARM architecture chip, supports WEB login to modify parameters.

◆Support text-to-speech broadcasting.

◆1 standard RJ45 (10/100M) network switching interface, which supports local area network and wide area network access.