Canton Plus GX Black. Tweeter size: 25 mm, Woofer size: 110 mm. Peak Music Power Output (PMPO): 100 W, Impedance: 4 Ом, Sensitivity: 85 dB. Weight: 1700 g. Type: Portable speakers, Dimensions (WxDxH): 13 x 13 x 20 mm, Audio output channels: 2.0