SIP Ceiling Speaker with Microphone and Light

Support MP3, WMA, WAV and more decoding With a standard RJ45 network interface and supports online firmware upgrade from long distance With built-in microphone and light This network ceiling loudspeaker integrated with network audio decoding, digital amplifier Empowered by high-speed dual-core (ARM DSP) chip of industrial grade, startup in less than 1s Metal inclosure with fire dome