Monacor MKS-34/SW. RMS rated power: 30 W, Peak Music Power Output (PMPO): 45 W, Frequency range: 80 - 20000 Hz. Weight: 1300 g. Type: In-wall/On-wall/In-ceiling speakers, Dimensions (WxDxH): 130 x 192 x 115 mm, Audio output channels: 2.0