Canton InCeiling 500. Tweeter size: 25 mm, Mid-range driver size: 135 mm, Magnet type: neodymium. RMS rated power: 100 W. Weight: 1000 g. Type: In-wall/On-wall/In-ceiling speakers, Dimensions (WxDxH): 200 x 166 x 80 mm, Audio output channels: 2.0