Sony's Master Series OLED includes a built-in high-quality audio system and legendary Bravia image processing. Two HDMI 2.1 ports hit 4K@120Hz with VRR, but the other two cap out at 4K@60Hz — plan your source placement wisely. eARC runs on HDMI 2 for lossless audio return to a soundbar. For the 2.1 ports, use Ultra High Speed HDMI cables — standard cables top out at 18Gbps. Here's every port and the cables you'll need.
Flagship OLED with heatsink technology for higher brightness, Cognitive Processor XR, Acoustic Surface Audio+.
Device Information
- Manufacturer
- Sony
- Release Year
- 2021
- Model Number
- XR-55A90J
- Category
- tv
Available Ports
| Connector | Quantity | Label | Notes |
|---|---|---|---|
| HDMI 2.0b (Type A - Standard) | 2 | — | HDMI 1 & 2, 4K@60Hz, 18Gbps |
| HDMI 2.1 (Type A - Standard) | 2 | — | HDMI 3 (eARC) & 4, 4K@120Hz, 48Gbps, VRR, ALLM |
| USB Type-A (USB 3.2 Gen 1) | 1 | — | 5Gbps |
| USB Type-A (USB 2.0) | 1 | — | 480Mbps |
| Optical TOSLINK (S/PDIF) | 1 | — | Digital audio output |
| 3.5mm TRS (Stereo Audio) | 1 | — | S-Center Speaker Input |
| RJ-45 (100BASE-TX Fast Ethernet) | 1 | — | 100Mbps limit |
| RF Antenna Input (Coaxial) | 1 | — | ATSC tuner |
Notes & Compatibility
HDMI 3 & 4 are HDMI 2.1 (48Gbps, 4K@120Hz, VRR, ALLM). HDMI 3 has eARC. VRR added via firmware update. Dolby Vision limited to 60Hz.
