Sony KDL-55NX810. Display diagonal: 1397 mm (55 "), HD type: Full HD, Display resolution: 1920 x 1080 pixels. Digital signal format system: DVB-C, DVB-T. Number of loudspeakers: 3 pcs, RMS rated power: 26 W, Audio system: Dolby Digital Plus. Headphone connectivity: 3.5 mm. Teletext: 1000 pages