Artsound DC84. Tweeter size: 12.7 mm, Woofer size: 165.1 mm. RMS rated power: 50 W, Peak Music Power Output (PMPO): 100 W, Frequency range: 63 - 2000 Hz. Weight: 1.5 kg. Type: In-wall/On-wall/In-ceiling speakers, Dimensions (WxDxH): 195 x 75 x 195 mm, Audio output channels: 2.0