Philips CSS2123. RMS rated power: 60 W, Audio decoders: Dolby Digital. Soundbar speaker RMS power: 30 W, Impedance: 4 Ом, Total Harmonic Distortion (THD): 30 %. Subwoofer type: passive, Subwoofer RMS power: 30 W, Subwoofer frequency range: 20 - 150 Hz. Connectivity technology: Wired. Power source: AC, AC input voltage: 220-240 V, AC input frequency: 50 Hz