Artsound AS50 B. Tweeter size: 25.4 mm, Woofer size: 165.1 mm. RMS rated power: 100 W, Peak Music Power Output (PMPO): 200 W, Frequency range: 50 - 22000 Hz. Weight: 9.2 kg. Type: In-wall/On-wall/In-ceiling speakers, Dimensions (WxDxH): 240 x 180 x 330 mm, Audio output channels: 2.0