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Amazon Ethernet Adaptor for Fire TV

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  • Slow or weak Wi-Fi connection? Take advantage of the speed and reliability of wired internet.
  • Connect your Fire TV or your Fire TV Stick directly to your router with an Ethernet cable, no Wi-Fi required.
  • Easy to set up: simply connect the Amazon Ethernet Adaptor into the USB port on your Fire TV and plug in an Ethernet cable directly from your router.
  • Compatible only with Fire TV Stick Lite, Fire TV Stick (2nd and 3rd generation), Fire TV Stick 4K, Fire TV Stick 4K Max, Fire TV Cube, Fire TV (3rd generation, pendant design) and Fire TV Basic Edition.
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Mission USB Power Cable for Amazon Fire TV (Eliminates the Need for AC Adapter)

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  • DECLUTTER YOUR TV AREA - ideal length for conveniently connecting Amazon Fire TV to the TV's side USB/HDMI ports
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Fire TV Stick 4K Ultra HD with Alexa Voice Remote | streaming media player

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Style Name: Fire TV Stick 4K
Fire TV Stick 4K
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Enhance your purchase

  • Cinematic experience: watch in vibrant 4K Ultra HD with support for Dolby Vision, HDR and HDR10+.
  • Launch and control your favourite movies and TV shows with the Alexa Voice Remote. Use the dedicated power, volume and mute buttons to control your compatible TV, soundbar and receiver.
  • Enjoy favourites from BBC iPlayer, Netflix, Prime Video, YouTube, Now, ITV Hub, All 4, Disney+, Apple TV and others (subscription fees may apply).
  • Experience thousands of apps, Alexa skills and channels plus millions of websites such as Facebook and Reddit.
  • Do more with Alexa — view supported live camera feeds, check the weather, dim lights, and stream music.
  • Amazon Prime members get unlimited access to thousands of movies and TV episodes, plus ad-free listening to over 2 million songs with Prime Music.
  • With top apps from BBC, ITV, Sky News and more, watch your favourite programmes live, as they happen. Or if you miss your favourite show, you can watch it on demand later.

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Compare Fire TV

Price From: £26.99 From: £35.99 From: £44.99 From: £49.49 From: £98.99
Ratings 4.7 out of 5 stars (76,067) 4.7 out of 5 stars (15,801) 4.7 out of 5 stars (5,327) 4.7 out of 5 stars (2,966) 4.6 out of 5 stars (585)
Best for Essential streaming under £30 HD streaming with convenient TV controls Cinematic 4K streaming with Dolby Vision High-performance 4K streaming with Wi-Fi 6 support Hands-free voice control of entertainment
Supports 1080p Full HD (1920x1080) check mark check mark check mark check mark check mark
Supports 4K Ultra HD (3840x2160) check mark check mark check mark
Supports Dolby Vision (HDR imagery for more vibrant colours) check mark check mark check mark
Hands free with Alexa check mark
Wi-Fi 6 Support check mark
Live view Picture-in-Picture check mark check mark
Storage 8 GB 8 GB 8 GB 8 GB 16 GB
Memory 1 GB 1 GB 1.5 GB 2 GB 2 GB
Audio Support HDMI pass-through of Dolby-encoded audio Dolby Atmos Dolby Atmos Dolby Atmos Dolby Atmos
Quad-core Processor CPU 1.7 GHz, GPU 650 MHz CPU 1.7 GHz, GPU 650 MHz CPU 1.7 GHz, GPU 650 MHz CPU 1.8 GHz, GPU 750 MHz Hexa-core CPU 2.2 GHz + 1.9 GHz, GPU 800 MHz

Software Security Updates

This device receives guaranteed software security updates until at least four years after the device is last available for purchase as a new unit on our websites. Learn more about these software security updates. If you already own a Fire TV, visit Manage Your Content and Devices for information specific to your device.


Technical Details

Fire TV Stick 4K

Fire TV Stick 4K


99 mm x 30 mm x 14 mm (only housing), 108 mm x 30 mm x 14 mm (including the connector).


53.6 g
Actual size and weight may vary by configuration and manufacturing process.


Quad core 1.7 GHz


IMG GE8300


8 GB internal (actual formatted capacity will be less) available for apps and games.

Wi-Fi Connectivity

Dual-band, dual-antenna Wi-Fi (MIMO) for faster streaming and fewer dropped connections than standard Wi-Fi. Supports 802.11a/b/g/n/ac Wi-Fi networks.


BT 4.2 and BLE

Voice Support

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

IR Device Control with included Alexa Voice Remote

The included Alexa Voice Remote can control Fire TV Stick 4K and certain functions (such as power and volume) on a wide range of compatible IR-enabled devices, including TVs, soundbars and A/V receivers. Note: Support varies by country, certain functions may not be available on some IR-enabled devices.

Cloud Storage

Free cloud storage for digital content purchased from Amazon.


HDMI output, micro-USB for power only.

Audio Support

Dolby Atmos, 7.1 surround sound, 2-channel stereo, and HDMI audio pass through up to 5.1. Dolby Atmos is currently supported only on selected Prime Video titles.

4K Support

To watch movies and TV shows in 4K Ultra HD, you need a compatible Ultra HD TV. All services may not be available in 4K/HDR. Learn more about 4K compatibility here.

Content Formats Supported

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

Output Resolution Supported

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

System Requirements

High-definition television with available high-speed HDMI input, high-speed Internet connection via Wi-Fi.

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 compatibility here.

Warranty and Service

Fire TV Stick 4K is sold with a limited warranty of one year provided by the manufacturer. If you are a consumer, the limited warranty is in addition to your consumer rights, and does not jeopardise these rights in any way. This means you may still have additional rights at law even after the limited warranty has expired (further information on your consumer rights can be found here). Use of Fire TV Stick 4K is subject to the terms found here.

Regional Support

Certain services may not be available outside the UK.

Accessibility Features

VoiceView screen reader enables access to the vast majority of Fire TV features for users who are blind or visually impaired. Watch videos and TV shows with subtitles displayed. Subtitles are not available for all content. You can learn more about accessibility here.

Included in the Box

Fire TV Stick 4K, HDMI extender cable for Fire TV Stick 4K, Alexa Voice Remote (2nd Generation), 2 AAA batteries, USB cable and power adaptor, Quick Start Guide.

Alexa Voice Remote with Power and Volume Controls


38 mm x 151 mm x 17 mm


68 g with batteries / 45 g without batteries
Actual size and weight may vary by configuration and manufacturing process.


2 AAA (included)

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Climate Pledge Friendly

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Reducing CO2 products reduce their carbon footprint year after year. Certified by the Carbon Trust.

The Reducing CO2 label applies to products certified by the Carbon Trust, that are lowering their carbon emissions year after year for the full life cycle of the product. The Carbon Trust was formed in 2001 and introduced the world’s first carbon label in 2007. It produces its certifications to global leading and independently verified standards. The Carbon Trust has a mission to accelerate the move to a sustainable, low carbon economy.

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Customer Questions & Answers

Customer reviews

4.7 out of 5 stars
4.7 out of 5
165,970 global ratings

Top reviews from United Kingdom

Reviewed in the United Kingdom on 19 November 2018
Style Name: Fire TV Stick 4KVerified Purchase
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5.0 out of 5 stars Nice device
By S. Howes on 19 November 2018
Most of my TV viewing comes from Amazon Video or Netflix, so this device is important to me. We have smart TV's, but dislike the interface, so to get a consistent system on each of our TV's, we need a corresponding amount of streaming devices. We have a variety of Fire TV devices to achieve this, which includes Fire TV 2, Fire Stick 2 and Fire TV 3 (pendants), despite being different versions, all have the same interface, which is great for ease of use. I had a Fire TV 3 previously on my main TV (Sony 4K HDR), it worked ok, but I had expected a bit more after the Fire TV 2. It was effectively a streaming device following in the footsteps of a mini-console/streamer and appeared to be moving away from games. I hoped that the new 4K Fire TV Stick was going to be an improvement in terms of performance, but it made pre-ordering a bit of a gamble without seeing reviews - would it take after version 2 or version 3. Also, with the 4K Stick being a Stick, was it going to be lacking in terms of power and prove to be a low powered Stick, like my less responsive Fire Stick 2?

When the 4K Stick arrived, in the box there is the device, a USB power lead, a remote (with batteries), HDMI extender cable, a power adapter & instructions. I had the Ethernet adapter from my Fire TV 3, so I set it up with wired ethernet. The hardest part about the setup was opening the battery compartment on the remote, so it was a smooth ride to get the device going. There was a software update, then a software update for the remote to go through a little later. The remote went through a setup screen, which enabled it to control the TV's volume and turn the TV on or off. This is a new feature and works well for my TV.

The 4K Fire Stick is slightly longer and thicker than the Fire Stick 2. On one of my TV's this would of had it sticking out of the side of the TV, but beyond that, I discovered that the slightly thicker 4K Stick prevented it from being put directly into the HDMI socket. I avoided these issues by using the small HDMI extender you get in the box and using Velcro adhesive picture hangers to position the 4K Fire Stick to the rear of the TV, which allowed it to be very neat. The interface operates smoothly and is very Amazon centric. You need a Prime subscription to get the most out of it. You can play your Amazon Music, Audiable books, Prime Video and gain access to YouTube via a web browser. Netflix works very well, as do iPlayer, All4, Demand 5 and ITV's catchup service. There are many more apps to choose from. The apps have a good level of responsiveness and function. The size of the device means that taking it on holiday or to hotels would be an option, providing that they offer sufficient WiFi coverage. There is no real heat from the device, it just does not feel cold. I have added some size comparison photographs and how I used the picture hangers to fix the 4K streamer to the rear of my wall mounted TV. Casting to the 4K Firestick has now arrived in an update (after originally not being available), which worked fine for me from YouTube. This feature needs to be enabled under the display settings.

Update - YouTube is back, with an app that functions very well (July 2019). My daughter has used this app for many hours and it performs very well.

In operation, the 4K Fire TV is just brilliant. The picture & sound quality are significantly improved over the Fire TV 3 (or any other streaming device I have encountered). Operation of the device is slick and fast. I watched it for an afternoon whilst I did some paperwork and then watched it more intently in the evening, it worked very well. In trying to characterise what this new device takes after was a mistake. It is shaped like a Fire Stick, but performs like a Fire TV, so it cuts its own path and definitely does not look backwards, except in retaining the same interface. The 4K & HDR is far more evident than with the Fire TV 3 and the picture quality looks noticeably improved. The only very minor issue I could find & I am not sure if it is an issue with the Fire TV or the settings on it, is where the TV will act as if it has changed channel (without the channel being changed) or as if it disconnects and immediately reconnects, the title of the HDMI input will appear on the screen and the sound will be interrupted for a fraction of a second. This happened infrequently and there was more than an hour between occurrences. I would like to eliminate this, but I am unsure what the cause behind it is. The only progress on this so far, is that I know that the TV does not do this with other devices. It did not impact my viewing pleasure to any extent, the Fire TV 3 also did this, but less often.

This 4K Fire Stick is an outstanding device, my pre-order gamble paid off more than I dared to hope. Of course I would still like to see an Micro SD card slot, a full USB port and an inbuilt Ethernet port, perhaps more storage but at this price, size & performance, I have no complaints.

I have since had a chance to look at some professional reviews on the web from technology and TV sites\magazines and it appears I am not alone in being impressed nor am I alone in awarding 5 stars in a review. The issue I had (channel changing without changing) was not reported, so I need to dig through the settings on the 4K Fire Stick & the TV to see if I can eliminate the issue in my setup.

What might be useful to know, is that I have one of the 4K Sticks on a bedroom TV (this TV is about 10yrs old). That 4K Fire Stick is powered by the TV's USB 2 (low powered) socket, using the adapter sold by Amazon, which is designed for a Fire TV 3. The adapter has a battery in it - please note that the previous version of the battery supported power cable designed for the Fire Stick 2 is too light weight for the Fire TV 3, but appears to work for the 4K Fire Stick, but will cause problems and needs to be upgraded to the current model. I have also tried powering the new 4K Fire TV Stick on a modern TV's USB 3 (higher power) socket without an adapter. The good news is that this powers the 4K Fire Stick just fine. This is good news for people with limited power sockets or where TV's are on walls and reduced wiring is desirable.

WiFi performance is much improved on the 2.4 & 5Ghz frequencies. The 5Ghz signal shows significant improvement over the Fire TV 3, which often would refuse to function for me on that frequency, leaving the slower 2.4Ghz frequency as the default. This change makes the 4K Fire Stick more responsive when connected on WiFi.

As for my mixed environment of Fire TV 2's, a Fire Stick 2, Fire TV 3's and the new 4K Fire Stick, that has all changed. I have been so impressed with the 4K stick that I now just have two Fire TV 2's and four 4K Fire Sticks in use. The rest have been put in a bag at the bottom of my old tech crate in my garage. Sadly for the Fire TV 3 and the old Fire Stick, this is the technology equivalent of being shot at dawn!

The only issue with pre-ordering, is that within a few days of release, £15 had come off the price, great if you avoided the pre-order.
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