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42" A90K Smart OLED 4K UHD TV with HDR

Item # 15842A90K

Premium OLED picture quality in a compact package makes this set perfect for gaming or general use in smaller rooms.

Premium OLED picture quality in a compact package makes this set perfect for gaming or general use in smaller rooms.

Item # 15842A90K

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Since 1974

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About the Sony BRAVIA XR-42A90K

Premium OLED quality in a small package 

With self-lighting pixels that can display absolute black, OLED TVs are stunning to behold. In fact, one of the only complaints I've seen about them is their limited size range, especially on the smaller end. Well, Sony aims to fill that gap with the 42" BRAVIA XR-42A90K.

Premium OLED quality in a small package 

With self-lighting pixels that can display absolute black, OLED TVs are stunning to behold. In fact, one of the only complaints I've seen about them is their limited size range, especially on the smaller end. Well, Sony aims to fill that gap with the 42" BRAVIA XR-42A90K.

This set's compact size makes it a great choice as a gaming display or for general use in smaller rooms. Powered by Sony's Cognitive Processor XR, it delivers accurate color and intelligently controlled contrast for realistic depth and sharply defined details, even in areas of shadow or glare. If you are looking for a 42" TV, I don't think you can find a better one than this 'A90K. 

Smart processing improves picture quality

The XR-42A90K's Cognitive Processor XR takes conventional Artificial Intelligence a step further by emulating the way our brains think and respond when we see and hear things. It cross-analyzes individual picture elements and quickly identifies the human focal point, so that it can immediately enhance each detail of that area. Instead of applying generic changes to the entire frame, it recognizes how individual parts of the whole interact with each other and makes precise adjustments to create a more natural picture.


The two-way stand has a low-profile setting (shown) and a raised option to accommodate a sound bar.

Better sound, too

The ‘A90K's XR processor also contributes to richer, more involving sound. Its 3D Surround Upscaling technology can create a heightened Atmos-like soundfield no matter what the source.

Acoustic Surface Audio+™ technology tracks sound effects and dialogue and matches them with the on-screen action, creating an even more immersive experience. Instead of the tiny — often down-firing — speakers that most TVs have, the ‘A90K uses actuators on the back to send vibrations through the screen to produce sound from its entire surface.

And if you still want more, Acoustic Center Sync synchronizes the TV's built-in speakers with compatible Sony sound bars for even better sound.

Google TV simplifies streaming

The XR-42A90K includes the Google TV smart app platform which consolidates a wide range of streaming services into a single user interface. Watch an episode of Ted Lasso on Apple TV followed by Station Eleven on HBO Max all from one watchlist, without having to dig around in individual apps.  

And if you're feeling really lazy, you can simply ask the Google Assistant to pull up a show or movie. You can also adjust the volume, change channels or inputs, and control other basic TV functions using your voice.

A top-notch display for gaming

The 42" XR-42A90K is an excellent match for your PC or next-gen console, with a dedicated Game Mode that delivers an input lag as low as 8.5ms. It supports Auto Low Latency Mode (ALLM), 4K at 120Hz, and enhanced Audio Return Channel (eARC) right out of the box. A future firmware update will also offer Variable Refresh Rate (VRR) for smooth graphics without frame tearing or stuttering. And if you've got a PS5, you'll benefit from Auto HDR Tone Mapping for more accurate detail and color.


Product highlights:

    • 4K screen resolution (3840 x 2160 pixels)
    • High Dynamic Range (Dolby Vision®, HDR10, HLG) extends picture contrast and brightness when viewing HDR content
    • self-illuminating OLED (Organic Light Emitting Diode) display panel produces infinite picture contrast and absolute black
      • OLED's pixel-level dimming enables each of the panel's pixels to brighten, dim, or power off completely, displaying exceptional picture detail, contrast, and depth
    • Cognitive Processor XR uses powerful real-time processing based on a human perspective for a true-to-life picture
      • XR OLED Contrast Pro increases brightness and enhances color contrast in high-luminance scenes
      • XR 4K Upscaling intelligently re-creates lost textures and detail in lower-res content
    • IMAX Enhanced certification for improved performance with IMAX Enhanced 4K/HDR content
    • XR Triluminos Pro display technology for a wider, more natural color palette
    • 120Hz refresh rate with XR OLED Motion for sharp, smooth motion even during fast action
    Smart TV features:
    • Google TV interface lets you browse live TV, movies, and TV shows from across many streaming services all in one place
    • remote has built-in Google Assistant — control basic TV functions and compatible smart home gear, search TV's streaming services, set timers, and more
      • use wake word to access Google Assistant hands-free
    • dual-band Wi-Fi 5 (802.11ac) provides fast, reliable wireless streaming
    • Netflix Adaptive Calibrated Mode mimics the settings on Netflix's mastering monitors to ensure an accurate picture
    • compatible with Apple® AirPlay® 2 for wireless streaming from compatible Apple devices
    • includes access to exclusive content on BRAVIA CORE
    Gaming features:
    • 4K at 120Hz for smooth, stable graphics
    • Variable Refresh Rate (VRR) reduces stutter and frame tearing for smoother gameplay (available with future firmware update)
    • Auto Low Latency Mode (ALLM) for reduced input lag
    • Auto HDR Tone Mapping for PS5
    • 4 HDMI inputs (two 2.0b, two 2.1)
      • all inputs are HDCP 2.3 compatible for connecting to copy-protected 4K video sources
      • to view 4K and HDR content from connected sources, use a high-bandwidth HDMI cable
      • HDMI 3 and HDMI 4 inputs support 4K/120Hz and ALLM (VRR support with future firmware update)
    • 1 composite video (3.5mm A/V minijack — adapter cable required)
    • RF input for antenna/cable signals
    • Toslink optical digital audio output
    • 3.5mm stereo minijack headphone output — can also be connected to a sound bar or other audio system
    • Ethernet port for the fastest, most secure internet connection
    • 2 USB inputs for connecting a thumb drive or hard drive
    • Acoustic Surface Audio+ makes the entire screen a speaker
    • Acoustic Center Sync synchronizes TV speakers with compatible Sony soundbars for fuller, more immersive sound
    • 3D Surround Upscaling uses XR signal processing to upscale even two-channel sources to simulated 5.1.2-channel sound
    General features & info:
    • compatible with optional BRAVIA CAM for video chat, gesture control, and Ambient Optimization Pro (sold separately)
    • premium, compact backlit remote with metallic finish and finder function
    • wall-mountable (bracket sold separately)
    • two-way stand has low-profile setting and raised option to accommodate a sound bar
    • warranty: 1 year parts & labor — in-home service
    • Our 60-day money-back guarantee
    • MFR # XR42A90K

    Ultra High Speed HDMI 2.1 cable recommended for optimum performance Shop

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    Crutchfield response

    << >>

    More details on the Sony BRAVIA XR-42A90K

    Stacey B.

    Features & specs

    Screen Size ---
    Aspect Ratio 16:9
    Screen Resolution (pixels) 3840 x 2160
    Screen Refresh Rate 120 Hz
    Display Type OLED
    Backlight Type Self-illuminating (no backlight)
    Quantum Dot Color No
    Video Processing Technology Cognitive Processor XR
    HDR (High Dynamic Range)
    HDR10 Yes
    HDR10+ No
    HLG Yes
    Dolby Vision Yes
    Next-gen Gaming Features
    VRR (Variable Refresh Rate) Via future firmware update
    ALLM (Auto Low Latency Mode) Yes
    4K/120Hz HDMI Inputs 2
    eARC Yes
    Streaming Features
    Wi-Fi 802.11ac
    Internet Movie Streaming via Google TV
    Bluetooth Audio Streaming Yes
    Apple AirPlay 2 Yes
    Chromecast built-in Yes
    HDMI Inputs ---
    HDMI Version 2.1/2.0
    Audio Return Channel eARC supported
    Component Video Inputs 0
    Composite Video Inputs 0
    3.5mm Composite A/V Inputs 0
    RF Inputs ---
    USB Ports ---
    Optical Digital Audio Output ---
    Analog Audio/Headphone Output ---
    Voice Remote Voice/Button-activated
    Control by app Apple iOS, Android
    Amazon Alexa Optional
    Google Assistant Built-in
    Power Consumption
    Estimated Yearly Electricity Use (EnergyGuide) Not Given
    Estimated Yearly Energy Cost (EnergyGuide) Not Given
    Dimensions & Mounting Information
    Width (inches) ---
    Height with Stand (inches) ---
    Height without Stand (inches) ---
    Depth with Stand (inches) ---
    Depth without Stand (inches) ---
    Stand Width (inches) ---
    Weight with Stand ---
    Weight without Stand Not available
    Wall Mountable Yes
    Wall Bracket Included No
    Mounting Hole Pattern ---
    Pedestal Stand Assembly required
    Bezel Dimensions ---
    General Info
    Parts Warranty 1 Year
    Labor Warranty 1 Year
    Type of Warranty Service In-home
    Model Year 2022
    Series Name Sony A90K

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