Canton GLE 490. Tweeter size: 25.4 mm (1 "), Mid-range driver size: 177.8 mm (7 "), Woofer size: 203.2 mm (8 "). RMS rated power: 150 W, Peak Music Power Output (PMPO): 320 W, Frequency range: 20 - 30000 Hz. Amplifier output power: 0 W. Driver cone material: Aluminium, Transducer material: Polyfabric. Weight: 19.2 kg