Anthony Gallo Acoustics A"diva Ti. Driver size: 127 mm (5 "). Peak Music Power Output (PMPO): 60 W, Frequency range: 76 - 22000 Hz, Impedance: 8 Ом. Weight: 0.907 kg. Type: Portable speakers, Audio output channels: 1.0, Satellite speaker driver size: 76.2 mm (3 ")