10 Best Best 4k Scaler – Review And Buying Guide

Are you looking for the best 4k scaler? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 4k scaler.

Having trouble finding a great 4k scaler? This problem is well understood by us because we have gone through the entire 4k scaler research process ourselves, which is why we have put together a comprehensive list of the best 4k scalers available in the market today.

After hours of searching and using all the models on the market, we have found the best 4k scaler for 2021. See our ranking below!

Our Editor Recommended: Best 4k scaler For 2021

Best 4k scaler Reviews of 2021

Bestseller No. 1
4K HDMI Splitter 1x2 HDR D-o-l-b-y Vision Atmos Down Scaler - HDMI Scaler 4K 1080P Sync,4K 60Hz 4:4:4 HDMI Splitter 1 in 2 Out HDCP2.2, EDID 4K5.1/4K7.1/ Copy, for Game Xbox PS5 1080p120Hz Roku SP12H2
  • 𝟒𝐊 𝟔𝟎𝐇𝐳 𝐇𝐃𝐌𝐈 𝐒𝐩𝐥𝐢𝐭𝐭𝐞𝐫 𝟏 𝐈𝐧 𝟐 𝐎𝐮𝐭, Aluminum HDMI Splitter for Dual Monitor Duplicate/Mirror OR 4K & 1080p TV work in Sync for Xbox, PS5 1080p120Hz, Roku, IPS gaming monitor >> 1 to 2 HDMI splitter two outputs down-scale 4K to 1080P ONLY separately, no another option. DO NOT down-scale HDR D-o-l-b-y Vision (4K60 4:2:2) and frequency. NO VRR. NO CEC. NO ARC
  • 𝐕𝐈𝐃𝐄𝐎 𝐀𝐔𝐃𝐈𝐎 - HDMI2.0 4K60Hz 4:4:4 8bit 18Gbps, HDR D-o-l-b-y Version HDCP2.2, HDR 10+, 1080p @120Hz/60Hz 3D, 3840x2160 @60Hz, 1440p@60Hz ; HDMI splitter 4K converter bypass HDCP >> D-o-l-b-y Atmos, Digital 7.1CH, DTS:X audio.
  • 𝐊𝐄𝐘 𝐔𝐒𝐀𝐆𝐄 𝟏 - Pls use good HDMI2.0 cable less than 3m - IF 4K & 1080p TV work in sync, set EDID COPY, 4K TV to Splitter OUT 1, 1080P TV to OUT 2, set SCALER 2 ON. EDID copy OUT 1 prior - IF 4K HDR & D-o-l-b-y Atmos work in sync, set splitter EDID to 4K 7.1, set HDMI source Video 4K HDR/HDR10/D-o-l-b-y Vision, Audio Bitstream out D-o-l-b-y Atmos,4K TV to splitter OUT 1, Soundbar to OUT 2 - Set EDID COPY for two 1080p TVs - Set EDID 4K 5.1CH for 4K TV & 5.1CH soundbar work in sync
  • 𝐊𝐄𝐘 𝐔𝐒𝐀𝐆𝐄 𝟐 - Any usage issue, pls Click sold by EZCOOTECH ask seller FREELY -- Press UPDATE for 3 secs to solve HDCP issue, or solve picture flash/black ---Set EDID 4K to solve HDCP issue if use monitor -- NOT support HDMI ATMOS 7.1, 5.1ch AVR work in sync. It is not audio down mixer. ---NOT support 4K60hz & 1080p120hz work in sync.
  • 𝗔𝗧𝗧𝗘𝗡𝗧𝗜𝗢𝗡 𝗣𝗟𝗦 --- Plug and Play, No driver. 4K HDMI 2 way splitter for Fire TV, Roku Ultra,N-v-i-dia Shield, Xfinity box, Game Video Capture,Xbox one S, Xbox X, Apple TV, PS4 Pro, chromecast, google tv, mac macbook, HDMI LED Box TV Backlight Light etc >> HDMI splitter NOT extend screen, only copy/mirror. NOT convert HDR to SDR. NO CEC.>> NOT for Sonos ARC, NO ARC eARC VRR>>NOT upscaler. >>Pls use new HDMI2.0 cable less than 3m prevent signal issue.
Bestseller No. 2
Monoprice Blackbird 4k Up and Down Converter Resolutions at 720p@60Hz, 1080p@60Hz, 4K@30Hz, and 4K@60Hz
  • Country Of Origin: China
  • Model Number: 130459
  • Item Package Dimension: 8.4" L x 5.8" W x 2.1" H
  • Item Package Weight: 0.73 lb
Bestseller No. 3
4K HDMI Scaler by OREI Up and Down Function Convert Resolutions at 720p, 1080p, 4K 30Hz, 4K 60Hz, with Optical Analog Audio Extractor, RS-232 Support
  • Orei XD-4000 can scale up or down any HDMI resolution from HDTV resolution from 480p to 720p/1080p/4K/2K at 60hz. Adaptive Interlacing Support, The scaler supports a data rate of 18 Gbps with 4K60 (HDMI 2.0) - RS-232 Support for Scaler Configuration.
  • Supports Dolby TrueHD, Dolby Digital Plus and DTS- HD Master Audio Plus LPCM (upto 192kHz), Supports CEC bypass.
  • HDMI input to Convert from PAL(50HZ) to NTSC (60HZ) Output resolutions of upto 4K@60Hz 4:4:4: (With Digital and Analog Extraction) Extracts HDMI Audio to Multi-Channel Optical (SPDIF) or L/R Analog Audio.
  • Manually Set output to specific Resolution, Ideal for purpose where the resolution is mismatched or experiencing EDID or HDCP issues
  • 1 Year Warranty + OREI Support. Includes Dual Voltage Adapters
Bestseller No. 4
HDMI Splitter 1x2 4K 60Hz 4:4:4 HDR Atmos 1080P 120Hz CEC SPDIF 5.1ch Audio Extractor - HDMI Down Scaler 4K 1080P Sync,Firmware Upgrade HDMI2.0 Splitter 1 in 2 Out HDCP2.2 18Gbps for PS5, Slim SP12
  • 𝟒𝐊 𝟔𝟎𝐇𝐳 𝐇𝐃𝐌𝐈 𝐒𝐩𝐥𝐢𝐭𝐭𝐞𝐫 𝟏 𝐈𝐧 𝟐 𝐎𝐮𝐭 𝐰𝐢𝐭𝐡 𝐒𝐏𝐃𝐈𝐅 𝟓.𝟏𝐂𝐇, High-End HDMI Splitter for Dual Monitor Duplicate/Mirror OR 4K & 1080p TV work in Sync for Xbox, PS5 1080p120Hz, Roku, IPS gaming monitor>> HDMI splitter OUT 2 down-scale 4K to 1080P ONLY. DO NOT down-scale HDR D-o-l-b-y Vision (4K60 4:2:2) and Frequency >> CEC for splitter OUT 1 only
  • 𝐕𝐈𝐃𝐄𝐎 𝐀𝐔𝐃𝐈𝐎 - HDMI2.0 4K60Hz 4:4:4 8bit 18Gbps, HDR D-o-l-b-y Version HDCP2.2, 1080p @120Hz/60Hz 3D, 3840x2160 @60Hz, 1440p@60Hz >> HDMI audio: D-o-l-b-y Atmos, Digital 7.1CH, DTS:X; DE-embed SPDIF Optical 5.1CH play splitter OUT 2 audio. NO ARC
  • 𝐊𝐄𝐘 𝐔𝐒𝐀𝐆𝐄 - Pls use good HDMI2.0 cable less than 15m/ 49ft. >> Connect 4K TV to splitter OUT 1, 1080p TV to OUT 2, set OUT 2 SCALER ON>>Get 4K HDR D-o-l-b-y Vision & D-o-l-b-y Atmos in sync, set EDID No.31 via micro-usb by PC, same setting for 1080p 120Hz.>>Set HDCP bypass by PC. NOT support 4K60hz & 1080p120hz work in sync.
  • 𝐆𝐑𝐄𝐀𝐓 𝐂𝐀𝐏𝐀𝐂𝐈𝐓𝐘 - Japanese High-end IC Exclusive Algorithm. Plug & Play. Any firmware or usage issue, pls Click sold by EZCOOTECH ask seller FREELY. (upgrade firmware by Micro-USB port ) >>1 to 2 HDMI splitter Daisy Chain cascade to 6 layers
  • 𝐏𝐎𝐖𝐄𝐑𝐅𝐔𝐋 𝐒𝐀𝐅𝐄𝐓𝐘 - Threaded power adapter to prevent power loss; Low Heat. >> Mounting Ear for easy set up. >> 4K HDMI 2 way splitter for Fire TV, N-v-i-d-ia Shield, Xfinity box, Game Video Capture,Xbox,Apple TV, PS4 Pro, chromecast, google tv etc.
Bestseller No. 5
HDMI Matrix 4x2 4K 60Hz 4:4:4 HDR 10 Atmos Easy EDID 4K/2K/Scaler Switch - D-o-l-b-y Vision Atmos in Sync,17 EDID Mode,Set HDCP by PC, HDMI Down Scaler 4K 1080P Sync, RS232 IR Ext. Remote MX42HS
  • 【AUDIO VIDEO 】HDMI Matrix Switch 4 in 2 out for game player, HDCP2.2 HDMI2.0 4K 60Hz 4:4:4 18Gbps 8bit HDR D-o-l-b-y Vision,HDR10,Hybrid Log-Gamma (HLG),1080p @120Hz/60Hz 3D, 3840x2160 @60Hz, 3440x1440 @ 60Hz, 1440p@60Hz ✔D-o-l-b-y Atmos Digital 7.1CH,DTS:X audio ✔HDMI matrix play 4K &1080P in sync or 4K HDR D-o-l-b-y Vision Atmos in sync ✔Pls use 3~5mtr qualified HDMI2.0 cable. NO HDMI2.1 4K120Hz NO VRR
  • 【EDID USAGE】Set EDID Down-scaler by DIP switch ✔IF play 1080p & 4K TV in sync, Set matrix EDID COPY, 4K TV to Matrix OUT 1, 1080P TV to OUT 2, Set down-scale OUT 2 to 1080p ✔IF D-o-l-b-y Vision Atmos work in sync,Set EDID 4K, 4K TV to matrix OUT 1, Atmos soundbar to OUT2 ✔IF HDCP,monitor flick when play 4K source, set EDID 4K, down-scale monitor to 1080p ✔HDMI OUT play ATMOS only, ATMOS, 5.1ch audio NOT work in sync. It is not audio down mixer.
  • 【HDMI Down-Scaler USAGE】HDMI matrix switcher two outputs down-scale 4K/ HDR 10 to 1080p60Hz only. Set down-scale OUT 1 2 to 1080p separately ✔NOT down-scale 4K HDR D-o-l-b-y Vision (4K60Hz 4:2:2), VRR, otherwise screen wash out ✔Pls read EDID DIP Switch picture, Bullet Points, Description carefully.
  • 【RS232 & IR Remote IR Extension cable】Provide more convenient control way for home entertainment or professional central control ✔ Pls remove battery shield in IR remote firstly ✔Mounting Ear for easy installation; Threaded power adapte ensure stable power✔Upgrade Firmware via Micro-USB port.
  • 【HIGH COMPATIBILITY】4K HDR HDMI switcher matrix Plug & Play; 1~3 sec Fast Input Switching ✔For N-v-i-dia Shield,Xfinity box, 4K60 MK2 Game Capture,Apple TV,Amazon Fire TV,PS4 Pro,X BoX series,wii,Xbox 360,Nintendo Switch, Comcast,MAC 1080p (by HDMI adapter) etc.✔NO ARC NO CEC
Bestseller No. 6
HDMI Matrix 4x2 4K 60Hz 4:4:4 HDR Atmos EDID Scaler Switch - 4K 1080P or D-o-l-b-y Vision Atmos Sync, 4K HDMI Down Scale, HDMI Switch 4 in 2 Out HDCP2.2, RS232 IR Ext.Cable Remote AV42HS
  • 👍 4K 60Hz 4 IN 2 OUT Matrix - HDMI Switch Matrix 4 in 2 out HDCP2.2 HDMI2.0 4K 60Hz 4:4:4 18Gbps 8bit HDR D-o-l-b-y Vision,Outputs video can be different or the same,switch 4 HDMI sources on 2 monitors. HDMI audio format Dolby Digital 7.1CH,D-o-l-b-y Atmos,DTS:X - Set EDID 2K/4K/COPY,HDMI Down-scaler by DIP switch. Supports 4K 60Hz 10bit 4:2:2 , 4K 60Hz 12bit 4:2:0
  • 👍 KEY USAGE - When 1080p & 4K TV play in sync, Set matrix EDID COPY, 4k TV to OUT 1,1080P TV to OUT 2, Set Down-Scaler OUT 2 to 1080p; 4K HDR D-o-l-b-y Vision & D-o-l-b-y Atmos(4K HDR video & 7.1ch Soundbar)work in sync,set EDID to 4K,take 4K TV to matrix OUT 1,soundbar to OUT2 - Suggest use 3~5 meter new HDMI2.0 cable..
  • 👍 ATTENTION PLS - Two HDMI OUT down-scale 4K/HDR/HDR10 to 1080p only,NO ANOTHER - IF play 4K source to monitor, pls set EDID 4K,turn on 1080P Scaler for monitor,get monitor 1080p picture - NOT down-scale 4K HDR D-o-l-b-y Vision (4K60Hz 4:2:2)VRR - Not support CEC.
  • 👍 IR Remote & IR Extension cable,Button Control,RS232 - AVSTAR matrix switched by buttons,infrared remote, makes video switching more intuitive,convenient - Full API document for AVMX42HS - Remove battery shield in IR remote.
  • 👍 Wide Compatibility - HDMI Matrix Switch 4 in 2 out supports Amazon Fire TV,PS4 Pro,X BoX series,ps 5 1080p 120hz,N-v-i-d-i-a Shield,Xfinity box,Game Capture,Apple TV,Comcast etc.- 4K HDR HDMI switcher matrix Plug & Play; 1~3 sec Fast Input Switching
Bestseller No. 7
HDMI Matrix 4 In 2 Out 4K 60Hz 4:4:4 HDR 10 Atmos SPDIF 5.1CH Audio Extractor - 16 EDID Option, HDMI Scaler 4K 1080P Sync, D-o-l-b-y Vision Atmos Sync,HDCP2.2 HDMI Matrix 4x2 IR Remote,IR Ext. MX42PRO
  • 𝟰𝗞 𝗛𝗗𝗥 𝗔𝘁𝗺𝗼𝘀 𝗛𝗗𝗠𝗜 𝗠𝗮𝘁𝗿𝗶𝘅 𝟰𝘅𝟮 𝘄𝗶𝘁𝗵 𝗦𝗣𝗗𝗜𝗙 𝗧𝗢𝗦𝗟𝗜𝗡𝗞 ---Japanese High-end IC Exclusive Algorithm. High Stable Performance for high-fidelity gaming. Two output play 4K & 1080P together with Extra SPDIF Optical 5.1CH Audio; 4K HDR TV video, 7.1CH Soundbar play in sync; D-o-l-b-y Atmos , D-o-l-b-y Vision in sync; Pls ensure HDMI Source, TV, Receiver, Soundbar support them. RE set up way,pls check DESCRIPTION
  • 𝗞𝗘𝗬 𝗨𝗦𝗔𝗚𝗘 --- Take 1080p HDMI display to matrix OUT 1(A), 4K TV to matrix OUT 2(B), matrix EDID copy OUT 2 prior -- HDMI OUT 1(A) Down-scale 4K to 1080p 60Hz ONLY, NOT down-scale 4K HDR D-o-l-b-y Vision (4K60Hz 4:2:2),VRR -- Pls use less than 5mtr good HDMI2.0 cable for 4K60 ; IR remote, IR Extension Cable, Panel Control.
  • 𝗔𝗨𝗗𝗜𝗢 𝗩𝗜𝗗𝗘𝗢 --- 4 input to 2 output HDMI Matrix Switch support HDCP2.2 HDMI2.0 4K 60Hz 4:4:4 18Gbps 8bit HDR D-o-l-b-y Vision, 1080p @ 144Hz/ 120Hz/ 60Hz 3D, 3840x2160 @60Hz, 3440x1440 @ 60Hz, 1440p@ 120Hz/ 60Hz. HDMI audio Digital 7.1CH, D-o-l-b-y Atmos,DTS:X. De-embed SPDIF Optical 5.1CH follows up HDMI OUT 2(B) Do NOT support ATMOS, 7.1/5.1 audio work in sync. It is not audio down mixer. NO CEC, NO ARC. NO KVM.
  • 𝗔𝗧𝗧𝗘𝗡𝗧𝗜𝗢𝗡 𝗣𝗟𝗦 --- Pls turn on Matrix OUT 2 4K TV firstly if 4K & 1080p TV work in sync Any HDCP issue, just set EDID TEST mode Pls read EDID DIP Switch picture, Bullet Points, Description, Installation Instruction (set EDID/ upgrade firmware) carefully. It's simple device, just needs to be hooked up correctly NOT extend screen, only COPY
  • 𝗛𝗜𝗚𝗛 𝗖𝗢𝗠𝗣𝗔𝗧𝗜𝗕𝗜𝗟𝗜𝗧𝗬 --- HDMI four input two output switcher matrix support G-Sync,N-v-i-d-ia Shield,Xfinity box, 4K60 MK 2 Game Video Capture,Apple TV,Amazon Fire TV,PS4 Pro,X BoX series,Comcast,OSSC etc Plug and Play; 1~3 sec Fast Input Switching. For simple hdmi matrix 4x2, check B083K39RHF
Bestseller No. 8
gofanco Prophecy Multi Video Format to HDMI Scaler Converter – HDMI / Mini DP / VGA / CVBS (Composite) / YPbPr (Component), Upscale HDMI Output Up to 4K @30Hz, Frame Rate Conversion, VESA Resolutions
  • ✔ Convert and Scale analog & digital video to HDMI output up to 4K @30Hz YUV 4:4:4. Input formats: HDMI / Mini DP / VGA / CVBS / YPbPr; Output format: HDMI. Supports audio embedder with analog Stereo input
  • ✔ Advanced features: Video enhancement, de-interlacing, video H/V mirror, over/under scanning adjustable, active video area adjustment, stable and independent output signal quality, aspect ratio adjustable, frame rate conversion
  • ✔ Operation methods: Push buttons (OSD menu), IR remote control, software via micro USB. Firmware upgradeable for expanded compatibility
  • ✔ Supports popular SMPTE and VESA input & output resolutions, including 1080p @60Hz, 1080i @60Hz, 720 @60Hz, 480p @60Hz, 1920x1200 @60Hz, and [Output only resolutions:] 3840x2160 @30Hz, 4096x2160 @30Hz
  • ✔ MADE IN TAIWAN and HIGH QUALITY COMPONENTS – FCC, CE & RoHS compliant. Surface mountable metal enclosure with ESD protection. Our products are backed with a 1-year limited warranty and experienced tech support team in Silicon Valley. If you have any questions or concerns, visit our gofanco website or click on our name in the buy box and select "Ask a Question".
Bestseller No. 9
Orei 1x2 2.0 HDMI Splitter with Scaler Audio Extractor 2 Ports with Full Ultra HDCP 2.4K at 60Hz & 3D Supports EDID Control - UHDS-102A
  • 1 input (1 source) to 2 output ( 2 display) Supports HDMI 2.0 with EDID1 HD source in to 2 HD display - Supports version 2.0 - splitting one HDMI input signal into two HDMI output signals identical to the input signal.
  • Resolutions up to 4K x 2K @60Hz, your able to scale resolutions to match your TVs. UHDS-102A also Supports HDMI 1.4, 1.3, 1.2.
  • Compatible with HDMI units such Roku 4, 4K TV, Amazon Fire TV, Ultra projector, PS4, Xbox, Apple TV, HDMI LCD, Cable box, Blu-ray player, DVD player, PC, STB and more
  • Audio extractor analog out or optical out: Supports 3D and LP cm, Dolby-AC3, DTS7.1, DSD/Dolby TrueHD/DTS-HD Master Audio, Essentially all available audio options are supported
Bestseller No. 10
U9 ViewHD HDMI 1x2 Splitter & Audio Extractor | HDMI v2.0 | 4K@60Hz | 4K to 1080P Scaler | HDR & Dolby Vision | 3.5mm / Optical & HDMI Receiver | Best Multi-Functional 1x2 on Earth | Model: UHD1X2SA
  • This U9 ViewHD model UHD1X2SA is the latest most advanced multi-functional and versatile 4K@60Hz 18Gbps HDMI 2.0 HDCP 2.2 1x2 splitter on planet earth
  • [I/O] one HDMI input two HDMI outputs, one Optical Audio output, one 3.5mm analog audio output. To avoid confusion it does not support CEC. Does not bypass HDCP
  • [4K to 1080P scaler] HDMI out2 port has 4K to 1080P scaler for user to enjoy 4K video from HDMI out1 and use 1080P TV with HDMI out2 at the same time. Best compatibility
  • [The most advanced HDMI 1x2 splitter] support HDMI 2.0B 18Gbps 4:4:4, HDCP 2.2, HDR & Dolby Vision,. Audio extraction supports Optical receiver, 1080P and 4K HDMI receivers and 3.5mm stereo headphone. YES, it has special AVR mode to support HDMI 1080P or latest 4K HDMI receiver for audio with HDMI out2 port, while use HDMI out1 port for the latest 4K HDR or Dolby Vision video.
  • [A powerful HDMI audio extractor] UHD1X2SA is also an advanced HDMI audio extractor with three Audio outputs HDMI and optical digital Audio outputs and stereo 3 5mm analog output for headphone HDMI audio output supports all HDMI V2.0 audio formats, Optical audio output supports all audio formats up to DD/DTS5 1CH and DD+; 3.5mm audio output supports incoming HDMI stereo audio format. When used as an audio extractor it can support both elder 1080P generation and current HDMI v2.0 4K HDMI receivers.

How Do You Buy The 10 Best Best 4k Scaler – Review And Buying Guide?

Do you get stressed out thinking about shopping for a great 4k scaler? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching 4k scaler, which is why we have assembled a comprehensive list of the greatest 4k scaler available in the current market. We’ve also come up with a list of questions that you probably have yourself.

Johnson Weld has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 4k scaler that you consider buying. Your questions might include the following:

  • Is it worth buying an 4k scaler?
  • What benefits are there with buying an 4k scaler?
  • What factors deserve consideration when shopping for an effective 4k scaler?
  • Why is it crucial to invest in any 4k scaler, much less the best one?
  • Which 4k scaler are good in the current market?
  • Where can you find information like this about 4k scaler?

We’re convinced that you likely have far more questions than just these regarding 4k scaler, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 4k scaler, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 4k scaler. Make sure that you are only using trustworthy and credible websites and sources.

Johnson Weld provides an 4k scaler buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 4k scaler currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 4k scaler has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 4k scaler?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 4k scaler.
  5. Customer Ratings: Number ratings grade 4k scaler objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4k scaler.
  7. Product Quality: You don’t always get what you pay for with an 4k scaler, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 4k scaler is should be an indication of how long it will work out for you.

johnsonweld.com always remembers that maintaining 4k scaler information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 4k scaler is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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