Panasonic SC-HTB20. RMS rated power: 540 W, Audio output channels: 2.1, Audio decoders: Dolby Digital, Dolby Pro Logic II. Soundbar speaker RMS power: 130 W, Impedance: 6 Ом, Total Harmonic Distortion (THD): 10 %. Subwoofer RMS power: 110 W, Subwoofer impedance: 3 Ом. Power source: AC, AC input voltage: 220-240 V, AC input frequency: 50 Hz. Soundbar dimensions (WxDxH): 755 x 58.5 x 49 mm, Soundbar weight: 1300 g, Subwoofer dimensions (WxDxH): 180 x 305 x 408 mm