Jamo A 3CEN.4 loudspeaker silver. Woofer: 95 mm. RMS rated power: 70 W, Peak Music Power Output (PMPO): 100 W, Frequency range: 100 - 20000 Hz. Weight: 1.7 kg. Dimensions (WxDxH): 300 x 116 x 113 mm, Audio output channels: 1.0