Canton Plus XXL.2 Black. Tweeter size: 25 mm, Woofer size: 180 mm. Peak Music Power Output (PMPO): 140 W, Impedance: 4 Ом, Sensitivity: 88 dB. Driver cone material: Aluminium. Weight: 3500 g. Type: Portable speakers, Dimensions (WxDxH): 20.5 x 19 x 30 mm, Audio output channels: 2.0