Artsound AS100 S. Tweeter size: 19.1 mm, Woofer size: 101.6 mm. RMS rated power: 60 W, Peak Music Power Output (PMPO): 120 W, Frequency range: 100 - 20000 Hz. Weight: 1.2 kg. Type: In-wall/On-wall/In-ceiling speakers, Dimensions (WxDxH): 280 x 80 x 280 mm, Audio output channels: 2.0