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Alexa+ icon

This device is designed for Alexa+

Full access to our most helpful AI assistant yet is included with a Prime membership. Learn more about Alexa+.

We want you to know

  • High-speed HDMI cable and IR extender cable are sold separately. The IR extender cable lets you control devices in a closed cabinet, even if they are out of sight.
  • Fire TV Cube does not support the Amazon Kids app, the Amazon Kids+ subscription, or Kids profiles.
  • A focused Alexa+ experience is included on this device. For full access to Alexa+ across all compatible Fire TV and Echo devices, it is necessary to have a Prime membership or a subscription to the Alexa+ Standard plan.
  • Alexa+ requires a US-based Amazon account and compatible devices set to US English. Setup details available here.

Amazon Fire TV Cube, with AI-powered Fire TV Search, Hands-free streaming device, find shows faster with Alexa+, Wi-Fi 6E, 4K Ultra HD

4.4 out of 5 stars (15,994)
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$89.99 with 55 percent savings
List Price: $199.99
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Purchase options and add-ons

  • Our fastest-ever streaming media player - Brings lightning-fast app starts with an octa-core processor and is 2X as powerful as Fire TV Stick 4K Max.
  • The newest Fire TV experience (2026) – Our biggest update to Fire TV has a new, modern design that gets you to your entertainment fast. Browse dedicated content categories, pin more of your favorite apps, and get personalized recommendations from Alexa+. Spend less time scrolling, and more time watching.
  • Smarter picks with Alexa+ – Getting to what you love has never been easier. Press the voice remote button and talk naturally to find what to watch across your apps, manage your smart home, or dive into virtually any topic.
  • Hands-free Alexa with built-in mic and speakers - Control your compatible TV, soundbar, and receivers with your voice, even from across the room.
  • Seamlessly navigate between your entertainment - Connect compatible devices and easily go from streaming to your cable box, game console, or webcam.
  • Smoother streaming - The first-ever streaming media player that features Wi-Fi 6E support.
  • Picture quality that puts on a show - Feel every scene with true-to-life, cinematic 4K and support for Dolby Vision, HDR, and Dolby Atmos audio.

Have a cable or satellite set top box?

Fire TV Cube lets you control your compatible cable and satellite set top box with your voice and Alexa Voice Remote Enhanced. Check compatibility

Connect a compatible cable or satellite box to the HDMI input on Fire TV Cube to control live TV with Alexa or the included Fire TV Alexa Voice Remote. Select cable/satellite boxes support this functionality, which includes:

  • Altice Optimum/Suddenlink
  • AT&T DirecTV
  • AT&T Uverse
  • CenturyLink, Inc.
  • Comcast Xfinity
  • Charter Spectrum
  • Cox
  • Dish Network
  • Frontier
  • GCI Communication
  • Mediacom
  • Verizon Fios

Top Brand: Amazon

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Smarter picks with Alexa+

Designed for our smartest, most helpful AI assistant yet—ready with personalized recommendations and smart home management. A focused Alexa+ experience is included on this device. Prime members get full access to Alexa+ across compatible Echo and Fire TV devices,
plus all Prime benefits. Learn more.

Easy to talk to

Have natural conversations and ask questions about what you're watching.

Gets more done

Control your smart home and multitask—all from your
Fire TV.

Tailored to you

Discover new shows and movies with customized recommendations.

Smarter discovery

Find your next favorite show by actor, plot, or even iconic quote.

Amazon Fire TV Cube 3 by 3 inches cube-shaped device with mesh sides on white surface with TV screen showing streaming apps in background.

“A streaming box with no equal.“

—The Verge

The ultimate streaming experience

Our fastest ever streaming media player is 2X as powerful as the Fire TV Stick 4K Max. With an octa-core 2.0 GHz processor at the center, you can launch and navigate apps quickly. Fire TV Cube also features Wi-Fi 6E support for smooth streaming and additional ports so you can connect and control other entertainment devices with just your voice. It's our most advanced streaming media player that delivers every time you hit play.

Fire TV Cube on entertainment center with family watching streaming content on TV displaying Fallout show and app selection interface.

Take control without lifting a finger

Say, “Alexa, turn on the TV,” to start or “Alexa, open Prime Video,” to get to your favorite channels and apps with one command or use your voice to turn your volume up and down. Even from across the room and from any direction thanks to built-in mics and speakers. Enjoy convenient control of your entertainment, hands-free.

“Alexa, play 'Transformers: EarthSpark.“.

Family watching soccer on TV with Fire TV streaming device on entertainment center below screen.

One cube. All of your entertainment.

Streaming service logos including Netflix, Prime Video, YouTube, Hulu, Disney+, and Apple TV+.
Fire TV displayed on wall-mounted TV showing F1: The Movie with Brad Pitt, positioned above wooden media console in modern living room setup.

Wi-Fi 6E for smoother streaming

Fire TV Cube is the first streaming media player with Wi-Fi 6E support so you can get even smoother 4K streaming with less interference from other household devices. The latest Wi-Fi 6E with advanced tri-band technology delivers faster speeds, lower latency, and more bandwidth. Experience the benefit with a compatible router like eero Pro 6E. Fire TV Cube also features a new Ethernet port if you need a wired network connection.

Fire TV Cube on wooden media console below wall-mounted TV displaying waterfall scene, flanked by two Echo speakers.

Lifelike 4K, Dolby Vision, and Dolby Atmos audio

content with 4K UHD, Dolby Vision, HDR, and Dolby Atmos support logos displayed.
Two people on couch video calling with family on TV screen using Fire TV. Small black Fire TV device visible on entertainment center below the television.

Smart home control right from the couch

Say, “Alexa, show me the front door,” to get live picture-in-picture view of your Ring camera without disturbing your show, check the weather, set timers, and manage your other smart home needs from your TV. Learn more about smart home devices..

“Alexa, show me the front door.”

Next level gaming.

No matter what kind of gaming you’re into, Fire TV has you covered. Play games like you stream movies with Amazon Luna or with Xbox Game Pass. With Amazon Luna, Prime members can play 25+ party games using their phones as controllers. They also have access to a rotating library of high quality games such as Hogwarts Legacy or Indiana Jones and the Great Circle at no additional cost.

With the Xbox app you can play Fortnite for free, or stream hundreds of high-quality Xbox games directly onto your eligible Amazon Fire TV device with Xbox Game Pass. Play new games on day one, plus dive into legendary franchises from Fallout to Halo, and everything in between. Just grab your favorite, compatible controller to get started.

Fire TV displaying Angry Birds Flock Party and Xbox Game Pass on two screens with smartphone and Xbox controller shown.

Xbox Game Pass subscription and compatible controller required.
Each sold separately.

How to set up and use

Fire TV Cube 3 by 3 inches cube-shaped device with mesh sides next to TV displaying Fire TV logo with Amazon smile.

Step 1

Place Fire TV Cube at least 1 to 2 feet away from speakers.

Fire TV Cube connected to TV displaying Fire TV logo with Wi-Fi signal icon above.

Step 2

Connect Fire TV Cube to your TV's HDMI port and home internet.

Fire TV Cube 3 by 3 inches cube-shaped device with mesh sides next to TV displaying Fire TV logo with Amazon smile.

Step 3

Follow the on-screen prompts to set up your entertainment systems.

Every day is an earth day

You don't have to be an environmental scientist to make sustainable choices. We considered sustainability in the design of this device. Here's how:

materials

Materials

30% post-consumer recycled plastics in streaming media player.
100% recycled aluminum in streaming media player.
Cable and adapter not included

packaging

Device Packaging

This device’s packaging is 100% recyclable. Fulfillment center packaging not included.

lowPower

Low Power Mode

To reduce its energy consumption, this device will enter Low Power Mode when it goes to sleep. Learn more here

tradeIn

Part with Purpose

There may come a time when you want to trade in or recycle your device. Explore options with Amazon Second Chance.

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PRODUCT DESCRIPTION
Start streaming with fast HD
Essential 4K streaming
Cinematic 4K streaming
Powerful 4K streaming
The ultimate hands-free 4K streaming experience
SUPPORTED PICTURE QUALITY
1080p Full HD (High Definition)
4K Ultra HD
4K Ultra HD
4K Ultra HD
4K Ultra HD
SUPPORTED VIDEO
HDR10, HDR10+, HLG
HDR10, HDR10+, HLG
Dolby Vision, HDR10, HDR10+, HLG
Dolby Vision, HDR10, HDR10+, HLG
Dolby Vision, HDR10, HDR10+, HLG
SUPPORTED AUDIO
Dolby-encoded audio (HDMI pass-through)
Dolby-encoded audio (HDMI pass-through)
Dolby Atmos audio
Dolby Atmos audio
Dolby Atmos audio
INCLUDED REMOTE WITH TV/SOUNDBAR CONTROLS
Alexa Voice Remote
Alexa Voice Remote
Alexa Voice Remote
Alexa Voice Remote Enhanced
Alexa Voice Remote Enhanced
STORAGE
8GB
8GB
8GB
16GB
16GB
WIFI SUPPORT & CONNECTIVITY
Wi-Fi 6
Wi-Fi 5
Wi-Fi 6
Wi-Fi 6E
Wi-Fi 6E + Ethernet port
CLOUD GAMING
Amazon Luna, Xbox Game Pass
Amazon Luna, Xbox Game Pass
Amazon Luna, Xbox Game Pass, NVIDIA Geforce NOW
Amazon Luna, Xbox Game Pass, NVIDIA Geforce NOW
Amazon Luna, Xbox Game Pass
WORKS WITH ALEXA+
NEWEST FIRE TV EXPERIENCE (2026)
FIRE TV AMBIENT EXPERIENCE
LIVE VIEW PICTURE-IN-PICTURE
ALEXA HOME THEATER
HANDS-FREE WITH ALEXA
CONNECT & CONTROL YOUR DEVICES (CABLE BOX, GAME CONSOLE, WEBCAM, ETC)

Technical details

Fire TV Cube (3rd Gen)

Fire TV Cube (3rd Gen)

Size

3.38” x 3.38” x 2.99” (86 mm x 86 mm x 77 mm)

Weight

513g (1.13 lbs)

Processor

Octa-core 4x 2.2GHz 4x 2.0GHz

GPU

800MHz

Storage

16 GB internal

Memory

2 GB internal

Wifi

Wi-Fi 6E Tri-band. Also supports 802.11a/b/g/n/ac/ax wifi networks. For Wi-Fi 6E support, Fire TV Cube must be connected to the 6 GHz band of a Wi-Fi 6E network using WPA3 encryption.

Bluetooth

Bluetooth 5.0 + LE. Pair with compatible Bluetooth speakers, headphones, video game controllers, and more.

Voice support

Yes, with Alexa Voice Remote (included) or the free Fire TV app (available for download on Fire OS, Android, and iOS).

Voice control compatibility

Controls a wide range of IR-enabled devices, including TVs, soundbars, cable and satellite boxes, and A/V receivers.

Cloud storage

Free cloud storage for digital content purchased from Amazon.

Ports

HDMI 2.1 Input, HDMI 2.1 Output, IR Extender, Power, USB-A 2.0, Ethernet port 10/100Mbps

Audio support

Dolby Atmos, 7.1 surround sound, 2-channel stereo, and HDMI audio pass through up to 5.1.

4K Support

To watch movies and TV shows in 4K Ultra HD, you need a compatible 4K Ultra HD TV. All services may not be available in 4K/HDR. Certain services are subject to change at any time, may not be available in all areas, or in 4K/HDR, and may require separate subscriptions. Learn more about services.

Content formats supported

Video: Dolby Vision, HDR 10, HDR10+, HLG, H.265, H.264, VP9, AV1, Audio: AAC-LC, AC3, eAC3 (Dolby Digital Plus), FLAC, MP3, PCM/Wave, Vorbis, Dolby Atmos (EC3_JOC), Dolby MAT, Dolby TrueHD passthrough, DTS passthrough, DTS-HD passthrough (basic profile), Photo: JPEG, PNG, GIF, BMP

Output/Input resolution supported

2160p, 1080p and 720p up to 60 fps

System requirements

High-definition television with available high-speed HDMI input, high-speed internet connection via wifi or built-in Ethernet port, power outlet (compatible TV/sound/cable equipment for control by infrared or voice). High-speed HDMI cable rated 18Gbps or higher, and 4K TV with high-speed HDMI connector required for 4K viewing and more reliable device control. Wi-Fi 6E router needed for Wi-Fi 6E support. Auto-Low Latency Mode is included in the HDMI 2.1 standard.

TV compatibility

TV must support minimum HDCP requirements for protected content playback. Compatible with 1) 4K ultra high-definition TVs with HDMI capable of 2160p at 24/25/30/50/60 Hz and HDCP 2.2 or 2) high-definition TVs with HDMI capable of 1080p or 720p at 50/60 Hz. Learn more about high-definition.

Warranty and service

1-year limited warranty and service included. Optional 2-year and 3-year extended warranty available for U.S. customers sold separately. Use of Fire TV is subject to the terms found here.

Content availability

Certain apps and services are subject to change or withdrawal at any time, may not be available in all areas and languages, and may require separate subscriptions.

Accessibility features

VoiceView screen reader enables access to the vast majority of Fire TV features for users who are blind or visually impaired. Screen magnifier enables viewers to zoom in and out, and pan around the screen. Text Banner consolidates onscreen text into a compact, customizable banner that appears on the screen. Watch videos and TV shows with closed captioning displayed. Use Audio Description for verbal descriptions of what is happening on the screen, including physical actions, facial expressions and scene changes. Captions and audio descriptions are not available for all content. Fire TV Cube (2nd and 3rd Gen) supports audio streaming for select compatible Bluetooth hearing aids and devices for a private listening experience. You can also listen to Fire TV with compatible Bluetooth headphones. Learn more about accessibility for Fire TV.

Note: “Hearing aids” refers to compatible Bluetooth hearing devices such as traditional hearing aids, cochlear implants, and bone conduction hearing devices.

Included in the box

Fire TV Cube (3rd Gen), Alexa Voice Remote Enhanced, power adapter, 2 AAA batteries, Quick Start Guide. HDMI, IR extender and Ethernet cables are sold separately.

Software Security Updates

Learn more about these software security updates. If you already own a Amazon Fire TV, visit Manage Your Content and Devices for information specific to your device.

Alexa Voice Remote Enhanced

Size

38 mm x 158 mm x 17 mm

Weight

51 g (without batteries)

Batteries

2 AAA (included)

Technology

Bluetooth 5.0

Compatibility

Fire TV Cube (3rd Gen), Fire TV 4-Series, Fire TV Omni QLED Series

Customer reviews

4.4 out of 5 stars
15,994 global ratings
Newest fire tv cube
5 out of 5 stars
Newest fire tv cube
Seems to work very well. Was very well priced, i got it for 50 percent off normal price Was quite easy to set up. Haven't had any problems.
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Top reviews from the United States

  • 5 out of 5 stars
    Finally, a streamer that actually keeps up with my brain!
    Reviewed in the United States on January 27, 2026
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    I’ve been a loyal Fire Stick user for years, but I finally hit a breaking point with the constant lag and "loading" wheels. I decided to splurge on the Cube during a sale, and after two weeks of heavy use, I can honestly say I should have done this a long time ago.

    The Speed is Real:

    If you’re coming from a Stick, the first thing you’ll notice is how snappy it is. Apps like Netflix and Disney+ open almost instantly. There’s no stuttering when scrolling through the home screen, which used to drive me crazy. It feels more like a high-end gaming console than a little streaming box.

    Hands-Free Alexa (The "Magic" Factor):

    This is the feature I thought I wouldn't use, but now I’m hooked. Being able to walk into the living room with a bowl of popcorn and just say, "Alexa, play The Bear on Hulu" without hunting for the remote is a game-changer. It even turns my TV and soundbar on for me. It basically turned my living room into a hands-free Echo Show.

    Pros:

    • The Processor: Zero lag. Period. It handles 4K content like it’s nothing.

    • Connectivity: It has an Ethernet port and an extra HDMI-in port. I actually plugged my cable box into it so I can switch to live TV just by asking Alexa.

    • Wi-Fi 6E: My router is in the other room, but the connection has been rock solid with no buffering.

    Cons (The "Real Talk"):

    • The Price: It’s definitely an investment. If you only watch TV for an hour a week, it’s probably overkill.

    • No HDMI Cable: For this price, Amazon really should include an HDMI cable in the box. Make sure you have a spare 4K-rated one ready to go.

    • The Ads: Like all Fire TV products, the home screen is still pretty cluttered with sponsored content/ads. You get used to it, but it’s there.

    If you’re a "power user" who hates waiting for apps to load, or if you just want to control your entire home theater with your voice, this is the best device Amazon makes. It’s powerful, smart, and actually makes the TV experience feel "premium."

    96 people found this helpful
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  • 5 out of 5 stars
    COMPARED TO APPLE TV
    Reviewed in the United States on February 11, 2024
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    So I bought a FireTV Cube to test a theory.

    I spent many hours configuring/tweaking my network settings, complaining to my ISP about suspected protocol throttling, running Cat6 ethernet drops to all TV locations throughout my house, I could never get the Amazon Prime app, Pluto app, Netflix app, Tubi app, to function/perform on any of my AppleTV 4K's (Ver2) as well or as fast as the native AppleTV apps such as AppleTV+ and AppleMovies.

    Even though my throughput was 485-495Mbps, as measured by my Unifi network controller and/or by the Ookla app installed on the AppleTV itself. I would constantly experience pixellation, buffering, and slow menu response while using these afore mentioned non-Apple apps.

    Upon exhaustive reading on blogs, message boards, and reviews from around the net, I discovered this was a common, but not necessarily a universal problem.

    Thus I began to wonder if the problem might lay with the AppleTV hardware, or maybe the implementation of the various apps on the AppleTV platform.

    So I decided to tryout a FireTV Cube, and all I have to say is WOW!

    It worked out of the box, no problems whatsoever; not one.

    All the afore mentioned non-Apple apps worked flawlessly on the FireTV Cube. No more pixellation, buffering, or slow menus.

    This was an unbelievably simple and affordable fix. I had already wasted so much time and effort troubleshooting the problems I had with the AppleTV 4K's; I might have paid double the price for these the FireTV Cube if I knew in advance the FireTV Cube was the solution to my problems.

    Let me also comment on the Amazon Alexa Voice Remote Pro. I would definitely recommend it as an upgrade to the FireTV Cube. The automatic backlight feature of the Amazon Alexa Voice Remote Pro is GREAT! This remote far outshines the AppleTV 4K's remote by leaps and bounds. The "clicky" buttons provide accurate control and positive feedback, which is much more than I can say for the AppleTV remote. Only one caveat to the Amazon Alexa Voice Remote Pro, is the rounded back; I don't like it.

    Now anyone reading this might assume I am an Apple hater. I definitely am not. I switched over to Apple many years ago, and never looked back. Every computer in my house is an Apple except for the one I use for HDD testing. I love our Apple computers. I love our iPhones. Unfortunately, I cannot say the same thing for our AppleTVs IMHO, streaming on the AppleTVs with Apple native apps is great, but with non-Apple apps it falls short. However I will definitely miss the AppleTVs tight integration/control with my AirPods.

    However, streaming those same non-Apple apps on the Amazon FireTV is nothing short of AWESOME!

    HIGHLY RECOMMENDED!

    Hope this helps!

    108 people found this helpful
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  • 5 out of 5 stars
    Initially it was stressful, but I had to remember it's an alexa device
    Reviewed in the United States on December 27, 2023
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    So my old smart tv was really struggling. Too often my TV was freezing or forcing reboots and I just had a feeling it had to do with the processor being a little old and not being able to keep up with running all my subscriptions and apps. It's a 65 inch, so replacing it entirely would be out of my budget at this time.

    The fire cube gave my TV a second life!

    Now if you've ever owned an alexa device, you probably know the first time powering on and setting up your device takes ages. Well that was especially true in my experience with the fire cube. PLEASE NOTE! it does require an ARC HDMI!! Sometimes you have to turn on ARC in your TV settings, and it's usually a dedicated HDMI port. This was my first problem.

    After I got that figured out, it probably took about 30 minutes to allow my cube to update and work at full capacity.

    But once the initial set up was done, I did have a few minor bugs for the first week. Sometimes I'd turn the TV off with the cube remote and audio would continue to play and I'd have to manually turn off the cube with it's physical button. This only happened two or three times.

    However, since pairing my alexa studios, this problem hasn't reoccured.

    Now I do have a switch that will trip my breaker if it accedntly gets flipped, and my cube and wifi are on the same breaker. So I do have to delete and repair my home theater when this happens, for some reason it completely ruins the connection and I'm not sure if it's because all my devices go offline, or if the cube can't reestablish connection on its own.

    Now, with all the quirks mentioned and dealt with. I love my fire cube!! Paired with my alexa studios watching TV or listening to music on my speaker group is awesome! There's one quirk about the home theater that irks me, but that's already been mentioned in my review for the studios.

    As for the cube itself though, I don't have any of the old issues I was having with my smart tv! Actually browsing different apps and my overall experience is much easier and intuitive! I love that I can use my voice to talk to the remote, or any of my alexa devices set to control the cube to immediately open an app or go straight to a movie or show. I got the remote Pro and I love the additional 2 custom buttons, along with the light up feature in the dark. And the "find remote" function works perfectly!! No more arguing over who lost the remote! Lol

    My partner was extremely skeptical about adding another alexa device to our home, he's not as tech savvy as I am, and he prefers to use his phone for smart controls. But even he has really enjoyed the fire cube! And honestly, that says a lot about this device!

    Initial setup may be rocky depending on person to person, but once it's running at full capacity, it's an excellent device for upgrading an existing TV that isn't smart, giving a second life to a smart TV that's having difficulty, and even for the home theater set up.

    If your buying a cube or fire stick for the theater set up, 1000% recommend two alexa studios. THIS WILL REPLACE ANY EXISTING AUDIO SET UP YOU HAVE THOUGH!!! theater mode cannot be paired with existing soundbars or other speakers.... Honestly not happy about that part... However!! The sound and quality I got from switching was worth it for me, though I had hoped to enhance my set up and not replace it...

    With that said, this is a perfect addition to your smart home journey.

    ( would not recommend standard alexa speakers for home theater, even a cheap soundbar out performs two Alexas, but in my opinion, the alexa studios are a great trade even without the optional sub woofer.)

    The cube is capable of being a standalone alexa device if you don't have other devices, and on its own, the cube will play audio through a soundbar, TV, and I believe even an auxiliary audio source if you choose not to do a home theater with Alexa but don't quote me on that last one because I didn't try it.

    The cube can also easily pair to Bluetooth devices, so at night, I like to use my wireless earbuds without being too noisy.

    Like I said the cube can be a stand alone alexa device if you don't have any other alexa devices, so if your on the fence about a smart assistant, this could be a really great way to break into that, while still having a device that can do more than just being a smart assistant.

    151 people found this helpful
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  • 4 out of 5 stars
    Setup had issues...software needs fixes...
    Reviewed in the United States on March 25, 2023
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    I am a big fan of Amazon products. I have FireTV products going back to the stick. I currently use my FireTV (Gen3), FireTV Cube (Gen2), and FireTV Cube (Gen3). Comparing FireTV Cube (Gen 2) with FireTV (Gen3), I am displeased with the external speaker in Gen3--it is muffly sounding and the internal microphone is less sensitive than Gen2. Setting up my Xfinity Cable TV box with Gen3 is easier than Gen2 because Gen3 has a built-in direct HDMI input connector for the cable box but you need to select the input in FireTV Cube and be sure you change it from HDMI to Cable and FireTV Cube (Gen3) will then properly setup your cable TV box location and programming guide; sometimes FireTV Cube (Gen3) cannot passthrough the TV's Dolby audio signal and there's no sound when using Cable TV. The solution is to set the FireTV Cube (Gen3) to PCM audio. Setting up my Samsung Soundbar was better in Gen3 than Gen2 because when the soundbar model series is not found FireTV Cube (Gen3) like mine which is a new soundbar and not found by FireTV Cube the software will allow you to manually setup compatibility using the soundbar remote control but you have to go through the whole setup process before it will give you this option this is dumb and it needs to be a readily accessible option in the settings software. It also takes much longer to program this way but it works better than not having the specific soundbar model number listed in FireTV Cube. Setting up my new Sony Bravia UHD 75-inch TV was smooth and no issues there. Try not to change any software settings in your TV and FireTV unless you start having issues and work the issues one step at a time. A big disapoinment with FireTV Cube (Gen3) is that it no longer let's you sideload apps as easily as Gen2 which only required allowing unknown sources and using the Downloader App to install apps that are not in the Amazon AppStore. So far I have not seen a way to override security features in the Android-based operating system to allow third-party apps to be installed in FireTV Cube (Gen3). Making FireTV Cube (Gen3) work smoothly with Amazon Alexa Skills and the Alexa App is no fun experience either. Depending on how many FireTV Cubes and other FireTV devices you have in your home it can cause all sorts of voice command problems. The best thing to do is rename all your devices in the Alexa App to the specific FireTV location where the device is connected, for example, if you have a FireTV Cube in your family room and also in your bedroom then name the devices "Family Room TV" and "Main Bedroom TV" and do the same for your CableTV Boxes listed in the Alexa App. Alexa will eventually learn your devices and you can send voice commands without unexpected results. Nonetheless, the Alexa App software working with FireTV is a bit glitchy and needs refinement. Overall, I recommend FireTV Cube (Gen3) and I hope Amazon will push software improvements on a regular basis for the Alexa App and FireTV Cube.

    UPDATE 6-3-23

    I was able to find some compatibility settings in my Comcast Cable Box that helped fix the audio somtimes not passing through to FireTV Cube. If you have a Comcast Cable Box check that your audio is set to the advanced audio settings and make sure your HDMI is set to pass through to your TV.

    After having repeat problems with my FireTV Cube not properly communicating with my compatible Samsung Soundbar with FireTV Cube somtimes muting but not unmuting the sound when sending voice commands to Alexa to change the cable channel, or lower/raise the volume, or ask about anything such as weather, time, etc. while the TV and soundbar are on. The conflict in the two devices turned out to be a simple issue. If you connect your soundbar to your TV using the ARC HDMI port then you don't need to setup your soundbar with FireTV Cube because when you already setup your TV with FireTV Cube the soundbar is automatically controlled through ARC. When a voice command is sent to Alexa on FireTV Cube the TV will handle the voice commands and pass the signal to your soundbar via ARC. This was a very annoying issue and there wasn't any help on FireTV Cube to guide the customer about it.

    UPDATE 4-18-23

    Fire TV Cube Gen 3 is still glitchy at times with Alexa running slow or not responsive to voice commands and because the cable box is now connected directly to the Fire TV Cube there are sometimes glitches in the sound. These issues are not frequent but still annoying. If you want to access Developer Options you need to select in Settings > My Fire TV > About, and click on "About" several times until the Developer Options are activated. You can then turn on ADB Debugging and Unknown Sources. Keep in mind that every app you access that is used to install third-party apps will need to be approved in Developer Options, so if you use the Downloader app to access a third-party app it won't install the app you downloaded until you agree to allow Downloader to access apps from Unknown Sources. You only need to do this once. You can also install apps directly from the USB port on the back of the device. You can format the USB drive in NTFS and save the APK file from your PC to the USB drive then plug the USB drive into your Fire TV Cube to install the APK file. There is a simple File Explorer app in the Amazon appstore that works well to access the flash drive to install the APK file. You can also use ES File Explorer but this app has a lot of other features and you can get the installation done fast with the simple File Explorer app. Good luck and enjoy your Fire TV Cube Gen 3.

    186 people found this helpful
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  • 5 out of 5 stars
    Messed up sound and display settings..update #4
    Reviewed in the United States on October 26, 2022
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    Update 11/12/25:

    So after having written the below review I decided I should give an update to the issues below.

    I've had other streaming devices since then and I have to admit that the fire tv cube beats them all.

    Reasons:

    The" best available" setting is actually the best setting. What it does is that ot converts DD+ sound to Multichannel pcm which is a lossless and uncompressed quality and passes it to the AVR. The AVR will show Multichannel 5.1 . It is the best sound you can get. I came to this conclusion after months of testing and research. Roku ultra has passthrough but it just passes the compressed format DD+ to the AVR so the AVR displays DD+.

    The TV turning off big is fixed.

    10/4/23 update: Now another bug has appeared. When I watch on my LG C3 OLED TV the TV turns off automatically after a while. Sound continues but no picture. I initially thought it was my tv. Got another unit ,same TV, and the same issue happened. Then I decided to watch ony Roku ultra and have not had any problems so far. Tried the cube again 2 days ago and issue returned. I even turned off equipment control and reset the cube but didn't work. So now I'm not using it. It's just sitting there looking pretty.

    7/23/23:

    Just to update that the video issue has been fixed. The audio issue not so.

    11/23/22:

    Still no fix. Reverts to 1080p despite setting to Auto. Now noticing jitter or stutter on video when playing 4k content. Changed settings of Match frame rate to on but didn't resolve issue. Constantly checking display settings. Given up and using my other streaming device with no issues. Did not expect this from Amazon.

    11/15/22:

    So since purchasing this there have been a number of updates installed but NONE have fixed the issue of sound and display settings as mentioned in my previous updates. This is truly disappointing and makes me want to use this device less often than I would like to.

    11/9/22:

    Still issue with display resolution defaulting to 1080p. Always have to check before playing something. No fix. Not acceptable for a "high-end device"

    Update 10/29/22:

    Still no luck on best available sound settings outputting DD+. But now another issue.

    Whenever I awaken the cube the display resolution defaults to 1080p even though I set it to Auto(up to 4K). It's frustrating to have to change this every time I want to watch something.

    So many bugs!

    I've had many fire tv sticks over the years and also a 2nd Gen cube which I returned because it wouldn't play Dolby vision.

    Thought I'd give this a try since all the upgrades were compelling. Faster, built-in Ethernet port, HDMI in, supporting all sound and picture formats.

    So I set it up withy TCL tv and Sony receiver . Setup was a breeze. It recognized my TV and receiver. For some reason the picture quality in display settings was defaulted to 1080p. I changed it to upto 4K.

    Sound settings were "best available ".

    When I played content it would only play in PCM (stereo). I tried Dolby digital and Dolby Atmos content. Dolby Atmos would play as Atmos +PCM, not Atmos +DD+ as it should.

    I checked ally settings on the TV and receiver and all was good but couldn't get DD+.

    Called tech support and was told that it may be a software issue and may get fixed in a future update. Really??.

    All the hype about how this device is the fastest and best on picture and sound yet it can't output "best available" sound. I'm sure best available is not PCM.

    Tech told me to set the sound settings to Dolby digital plus. That corrected the issue but it was a let down. I'm hoping it doesn't revert back to PCM.

    Will see how it goes and update but so far disappointed.

    The super resolution setting really doesn't add much to enhance the picture quality of SD or even 720 or 1080p resolution. And that was one of the main features that enticed me to buy it.

    Update 7/2/23: The video resolution issue is now fixed but the audio issue still persists.

    82 people found this helpful
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  • 5 out of 5 stars
    Soooo much better than other devices such as fire stick 4k
    Reviewed in the United States on August 19, 2026
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    Absolutely love it! Night and day difference between my fire stick 4k max and this. First off it seamlessly downloaded all my old apps once I signed in and gave permissions. There is virtually no lag. The better processor and more ram I'm sure have much to do with that . Anyway It connected to my devices with no issues and even connected to my Google home equipment so I can now ask Alexa or Google to do things such as setting an alarm or turning off my lights.... Asking it to turn on the tv brings up my whole entertainment system and asking it to play a particular show is virtually issue free with the exception of the fact so many streaming providers charge insane amounts for even old shows or movies. But by far this is worth the upgrade. Highly doubt you will regret it.

    12 people found this helpful
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  • 1 out of 5 stars
    Updated: Loved the Fire TV Cube Gen 1 - the Gen 3? Nope! I ran back to the Gen 1!
    Reviewed in the United States on January 27, 2026
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    Update: Reduced rating from 2-star to 1-star because I will be returning this third Fire TV Cube Gen 3 for the exact same reasons I returned the previous two, except now I can add "vanishing menus, frequent disconnect from remote control, and repeated disconnect of 3 different bluetooth headphones/earbuds" to the list of problems. Most importantly, the problems with Ring announcement settings continue to reset back to being on, and we continue to be woken up in the middle of the night to maximum volume announcements of "MOTION DETECTED IN DRIVEWAY/FRONT DOOR!!!" My wife, who is highly technical herself and actually works for Amazon as a Principle Security Engineer, is really annoyed with me for continuing to try to get this working when this device (or at least a recent update) is clearly defective.

    As a replacement for the Fire TV Cube Gen 3, tried the Onn 4k Plus Streaming Device (GoogleTV) as well as the Google 4k TV Streamer (also GoogleTV). Both of these performed better than the Fire TV Cube Gen 3, but unfortunately, both of these devices had other show-stopping issues that made them simply not a solution I was willing to go with on my primary TV. I am actually appalled at the current state of the latest streaming devices. So, my solution was to go back to what I had (and was very satisfied with) -- the Fire TV Cube Gen 1. This bumped my various Fire TV devices around again (FireTV 4K Max Stick, FireTV 4K Stick, etc.), but guess what? They all work great. I just don't know what I'm going to do when Amazon forces this new OS on all these devices, because I'm sure it's going to mess them up as well, and then I have no idea what streaming device I will use. Maybe go back to Roku?

    ==============================

    I'm not going to discuss the specs or capabilities -- it's actually a top-of-the-line streaming device (or at least it should be). Unfortunately, I'm on my 3rd unit in 3 months. They keep locking up, stuttering, buffering, failing to load apps, and no matter what I do and how many times I turn it off in multiple locations in Alexa, Ring, and Fire TV, my Ring doorbell and Ring Camera keep reconnecting with the Fire TV Cube Gen 3, which results in the Fire TV Cube Gen 3 literally SCREAMING in the middle of the night (when a lizard, frog, or baby opossum crosses the driveway) "MOTION DETECTED IN YOUR DRIVEWAY" or "MOTION DETECTED AT YOUR FRONT DOOR". I even have the volume on the built-in Alexa turned down to zero, and it keeps resetting to full volume. I suspect this happens because I frequently have to reboot the Fire TV Cube Gen 3 because it locks up multiple times per day. And that's usually by unplugging the power adapter and plugging it back in because the reset feature in the Fire TV Cube Gen 3 menus will lock it up, too! On all three of these Fire TV Cube Gen 3 devices I have only had the usual streaming services apps -- Netflix, HBOMAX, Disney+, YouTube, YouTube TV, Prime Video (even AMAZON Prime Video locks up this AMAZON device!), ESPN, etc. Still locks up multiple times per day, usually when simply trying to load one of these apps to watch a movie. The third unit I received does seem to be doing a little better than the previous two, but if this one starts acting up the same way as the other two, my next return will not be an exchange -- it will be for a refund, and I will simply move on to something else like the Onn 4K Pro or Google 4k TV Streamer. Like the title of this review says -- I LOVE my Fire TV Cube Gen 1! The only reason I bought the Gen 3 was because it was on Black Friday sale and I needed another Fire TV device and didn't want to go with a Stick. The only Fire TV Cube model available now is the Gen 3, so that's what I had to buy. Amazon product support was zero help, and in fact became frustrated and gave up long before I did. All they ended up concluding was that it will likely be corrected in a future system update. So, until then I just have tolerate a $140 device locking up multiple times per day? Honestly, giving the Fire TV Cube Gen 3 a two-star review is generous.

    37 people found this helpful
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  • 5 out of 5 stars
    Newest fire tv cube
    Reviewed in the United States on September 28, 2026
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    Seems to work very well. Was very well priced, i got it for 50 percent off normal price

    Was quite easy to set up. Haven't had any problems.

    Newest fire tv cube
    5 out of 5 stars
    Newest fire tv cube
    Reviewed in the United States on September 28, 2026

    Seems to work very well. Was very well priced, i got it for 50 percent off normal price

    Was quite easy to set up. Haven't had any problems.

    One person found this helpful
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