Elac BS 63.2. Tweeter size: 25 mm, Woofer size: 175 mm. RMS rated power: 60 W, Peak Music Power Output (PMPO): 80 W, Frequency range: 44 - 25000 Hz. Weight: 7000 g. Type: In-wall/On-wall/In-ceiling speakers, Dimensions (WxDxH): 205 x 265 x 330 mm, Audio output channels: 1.0