Omnitronic DX-1022. Woofer size: 250 mm. RMS rated power: 200 W, Peak Music Power Output (PMPO): 400 W, Frequency range: 50 - 18000 Hz. Weight: 9.5 kg. Type: Floor-standing speakers, Dimensions (WxDxH): 360 x 310 x 465 mm, Audio output channels: 1.0