Jamo C 805. Tweeter size: 25 mm, Mid-range driver size: 155 mm, Woofer size: 155 mm. RMS rated power: 160 W, Peak Music Power Output (PMPO): 320 W, Frequency range: 40 - 24000 Hz. Weight: 18500 g. Type: Floor-standing speakers, Dimensions (WxDxH): 201 x 347 x 877 mm, Audio output channels: 1.0