| Display diagonal | 139.7 cm (55") |
| HD type | 4K Ultra HD |
| Display resolution | 3840 x 2160 pixels |
| Display technology | LCD |
| Screen shape | Flat |
| Native aspect ratio | 16:9 |
| Motion interpolation technology | Motionflow XR 480 Hz |
| LED backlighting type | Direct-LED |
| Supported video modes | 480p, 576p, 720p, 1080i, 1080p |
| Supported graphics resolutions | 3840 x 2160, 4096 x 2160 |
| Native refresh rate | 50 Hz |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display diagonal (metric) | 139 cm |
| Tuner type | Analog & digital |
| Analog signal format system | PAL I, SECAM B/G, SECAM D/K |
| Digital signal format system | DVB-C, DVB-S, DVB-S2, DVB-T, DVB-T2 |
| Number of tuners | 1 tuner(s) |
| Smart TV | Yes |
| Operating system installed | Android |
| Apple AirPlay 2 support | Yes |
| Smart modes | Photo, Cinema, Game, Vivid, Graphics, Dolby Vision Bright, Dolby Vision Dark, Standard |
| App distribution platform | Google Play |
| Video apps | Google TV |
| Number of speakers | 2 |
| RMS rated power | 20 W |
| Audio decoders | Dolby Atmos |
| Audio decoding technologies | DTS Digital Surround |
| Sound modes | Dolby Audio, Surround |
| Enhanced Audio Return Channel (eARC) | Yes |
| Wi-Fi | Yes |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Direct | Yes |
| Bluetooth version | 4.2 |
| Bluetooth profiles | A2DP, AVRCP, HOGP, SPP |
| Browsing | Yes |
| Web browser | Yes |
| Browser supported | Vewd |
| HID support | Yes |
| Product colour | Black |
| VESA mounting | Yes |
| Rollable display | No |
| Panel mounting interface | 300 x 300 mm |
| Introduction year | 2022 |
| High Dynamic Range (HDR) supported | Yes |
| USB recording | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10) |
| Game mode | Yes |
| Teletext function | Yes |
| Subtitles function | Yes |
| Ambient light sensor | Yes |
| Local dimming | Yes |
| Picture processing technology | Sony 4K HDR Processor X1, Sony Triluminos Pro, Sony X-Reality PRO |
| Game features | Auto Low Latency Mode (ALLM) |
| 4K Ultra HD upscaling | Yes |
| Parental control | Yes |
| HDMI ports quantity | 4 |
| PC in (D-Sub) | No |
| Ethernet LAN (RJ-45) ports | 1 |
| USB 2.0 ports quantity | 2 |
| Common interface Plus (CI+) | Yes |
| Audio Return Channel (ARC) | Yes |
| HDCP | Yes |
| Composite video in | 1 |
| Digital audio optical out | 1 |
| RF ports quantity | 1 |
| Voice control | Yes |
| Electronic Programme Guide (EPG) | Yes |
| Sleep timer | Yes |
| On/Off timer | Yes |
| Firmware upgradeable | Yes |
| Works with Amazon Alexa | Yes |
| Works with the Google Assistant | Yes |
| Energy efficiency class (SDR) | G |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 91 kWh |
| Power consumption (typical) | 213 W |
| Energy consumption (HDR) per 1000 hours | 122 kWh |
| Power consumption (standby) | 0.5 W |
| AC input voltage | 220 - 240 V |
| AC input frequency | 50 Hz |
| Energy saving mode | Yes |
| Energy efficiency scale | A to G |
| Width (with stand) | 1233 mm |
| Depth (with stand) | 339 mm |
| Height (with stand) | 783 mm |
| Weight (with stand) | 16.9 kg |
| Width (without stand) | 1233 mm |
| Depth (without stand) | 72 mm |
| Height (without stand) | 713 mm |
| Weight (without stand) | 15.9 kg |
| Stand width | 106.1 cm |
| Desktop stand | Yes |
| Cables included | AC |
| Remote control included | Yes |
| Package width | 1348 mm |
| Package depth | 160 mm |
| Package height | 835 mm |
| Package weight | 22 kg |
| Harmonized System (HS) code | 85287280 |
| Description |
| Sony KD-55X81K. Display diagonal: 139.7 cm (55"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LCD, Screen shape: Flat, LED backlighting type: Direct-LED. Smart TV. Motion interpolation technology: Motionflow XR 480 Hz, Native aspect ratio: 16:9. Digital signal format system: DVB-C, DVB-S, DVB-S2, DVB-T, DVB-T2. Wi-Fi, Ethernet LAN. Product colour: Black |
