Canton CD 220. Tweeter size: 25.4 mm (1 "), Mid-range driver size: 101.6 mm (4 "), Tweeter size: 25 mm. RMS rated power: 120 W, Peak Music Power Output (PMPO): 120 W, Frequency range: 45 - 30000 Hz. Weight: 2000 g. Type: In-wall/On-wall/In-ceiling speakers, Dimensions (WxDxH): 140 x 220 x 100 mm