Yealink MSpeaker for MVC video conferencing solutions. Connection: 1x 3.5mm AUX input, 1x VCH Ethernet (RJ45), PoE support (802.3af). Two built-in speakers. Yealink Noise Proof Technology for a vibrant audio experience. Frequency range: 100 Hz-20 kHz. Compatible with: MVC500, MVC800, and MVC900. The Yealink MSpeaker II is specifically designed for video conference rooms to provide better sound in a conference setting. It features two built-in speakers that deliver powerful output to cover large conference rooms. By utilizing the Yealink microphone and Yealink Noise Proof Technology, it offers crystal-clear and lively audio for everyone. The MSpeaker II supports PoE, allowing for easy and straightforward installation. This combines power supply, audio data transmission, and signal control into one device, significantly reducing complex installation procedures and costly expenses. The MSpeaker II also supports a 3.5mm AUX input to ensure compatibility with additional video conferencing solutions.