Yealink MSPEAKER-II, MSPEAKER II Soundbar Speaker, RMS Output Power 10 W, Network (RJ-45), AC Adapter, Compatibility: Conference System, 02 Years Limited Warranty The Yealink MSPEAKER-II is a Sound Bar for Conference System to enhance the audio quality as much as possible and used for large rooms. The MSPEAKER-II has 2x stereo and 5 Watt with Audio line-in (mini-phone stereo 3.5 mm).