Artsound DC1000. Tweeter size: 25.4 mm, Woofer size: 165.1 mm. RMS rated power: 80 W, Peak Music Power Output (PMPO): 160 W, Frequency range: 50 - 20000 Hz. Weight: 3.4 kg. Type: In-wall/On-wall/In-ceiling speakers, Dimensions (WxDxH): 190 x 85 x 275 mm, Audio output channels: 2.0