Elac FS 247 Art Edition. Woofer size: 150 mm. RMS rated power: 120 W, Peak Music Power Output (PMPO): 160 W, Frequency range: 30 - 50000 Hz. Weight: 16000 g. Type: Floor-standing speakers, Dimensions (WxDxH): 220 x 320 x 1021 mm, Audio output channels: 2.0