The best 4-way splitters, compared.
Top pick: Labgear FJU704 – Highest score in the set: about £8.30, 4.5 from 35 UK reviews, zinc F-type, 5–1000 MHz, power pass on all ports. No dB figure on the listing. Not a satellite splitter. Best value: Uzanpie UZ014 – About £15.99 with 4.3 from 217 reviews, 4K at 30 Hz and HDCP 1.4 stated. The cheaper HDMI box is out because of a non-UK plug in UK reviews and a 225 MHz line beside a 4K at 60 Hz claim. Updated 22.10.2026.
A 4-way splitter has one input and four outputs that all carry the same signal. UK shoppers type that query for two jobs: mirroring one HDMI source onto four screens, or feeding four tuners one roof aerial. The set mixes a plastic coax splitter, HDMI mirror boxes and a extender. On HDMI, quality is the printed resolution tied to bandwidth and, a BS 1363 or USB supply, and a mirror box rather than a switch. On aerial, quality is a screened 75 ohm body, an socket if you can get it, a band that covers, and power pass only for a masthead amplifier. How to choose the cable is in the [4-way splitter buying guide](/hub/electrical-equipment/4-way-splitter/sub/4-way-splitter-buying-guide). Name the cable before you name a brand. Coax from the aerial means a 75 ohm aerial splitter. Several HDMI sources into one television means a switch, not a splitter. An 8-output extender is a different category, and a hose fitting is not electrical. If you only need two outputs, start with the [2-way splitter](/hub/electrical-equipment/2-way-splitter) comparison instead of forcing a spare pair of ports into the job.
A 4-way splitter has one input and four outputs that all carry the same signal. UK shoppers type that query for two jobs: mirroring one HDMI source onto four screens, or feeding four tuners one roof aerial.
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Personal buying guide
Question 1 of 2
What are you splitting?
The Labgear FJU704 is a zinc die-cast 4-way aerial splitter, 5–1000 MHz, with 75 ohm F-type sockets and power pass stated on all ports. At £8.30 it scores 4.5 from 35 amazon.co.uk reviews, the highest star line in this comparison. Buyers in a strong-signal house describe adding a fourth television from the roof aerial, and one measured a set-top meter falling from 86 percent to 54 percent while quality stayed at 100 on three sets. That percentage is not a decibel reading, and the listing itself only says low loss, with no dB figure of its own. The box contains the splitter and two screws, not cables. One unit was returned after about two weeks when the picture deteriorated, and another buyer found ordinary TV plugs would not stay in the F sockets. The band stops at 1000 MHz, so this is a terrestrial splitter, not a way to divide a satellite LNB.
Pros
Cons
Best for: Four Freeview tuners from one terrestrial aerial, including a masthead amplifier that needs DC up the coax
Less suitable: A weak-signal postcode that needs gain, a satellite dish, or an HDMI source
Specifications
Common questions
Does the Labgear splitter include cables?
The box contents line lists two fixing screws. It does not list cables.
What signal loss does the listing state?
The listing says low loss and does not give a decibel figure.
Will it power a masthead amplifier?
The listing says power pass on all ports, so a supply can reach a masthead amplifier or a powered aerial. It does not state a maximum voltage or current.
The Uzanpie UZ014 mirrors one HDMI input to four outputs at a stated 4K at 30 Hz with HDCP 1.4, and the listing also names HDR, 3D and EDID management. On amazon.co.uk it is £15.99 with 4.3 from 217 reviews, the largest solid sample among the local HDMI boxes in this set. Buyers often describe plug-and-play with no drivers, and a quiet box small enough to hide behind a television. The same listing says mixed displays fall back to the lowest resolution, there is no ARC, and it will not extract audio for a separate soundbar. Flicker when another screen is added, and outputs that drop after a few minutes, come up more than once, and one buyer lost outputs after about a month. The package line includes a power cable and a manual rather than the adaptor, although one UK review mentions a supply in the box, so check the parcel before you assume a BS 1363 plug.
Pros
Cons
Best for: A living room or small venue that wants the same 1080p or 4K 30 Hz picture on up to four HDMI displays
Less suitable: Four different PC desktops, switching several sources into one television, or a soundbar that needs ARC
Specifications
Common questions
Does the Uzanpie splitter support HDR?
The listing says HDR is supported, along with 3D, EDID and HDCP 1.4. The stated top resolution is 4K at 30 Hz.
Can each screen show a different picture?
No. The listing says duplicate mode only, with no extend mode. If the displays differ, it says the output defaults to the lowest resolution.
Will it switch four consoles into one TV?
No. The listing says it is not a switcher and cannot connect four inputs to one monitor.
The OREI UHD14-EXB400-K is a 1x4 HDMI extender over Cat6, Cat6a or Cat7, listed at £529 with 4.2 from 45 reviews that the saved listing places in the United States and Canada, not the United Kingdom. The listing prints 18 Gbps, HDMI 2.0a and HDCP 2.2, and also a conflicting line that caps the unit at 2K at 60 Hz, so both lines need reading before you rely on 3840 x 2160 at 60 Hz. Receivers are described as powered over the cable, which reviewers welcome, and a local HDMI loop lets you watch the source at the rack. The transmitter supply is a US plug plus an international converter, not a BS 1363 plug, and Cat cable is not listed in the box. Reviewers mention a transmitter fan louder than a PC fan, warm receivers, and cases where a 4K source would not downscale per screen, so an older television pulls the whole set down. Support in that same review set is described as slow. It is the only row here for screens in separate rooms.
Pros
Cons
Best for: A shop, church or meeting room that already has Cat6 or Cat7 runs to four screens showing the same source
Less suitable: A living-room HDMI mirror on short leads, or a UK install that needs a 13 A plug and UK-sourced reviews
Specifications
Common questions
Can it send HDMI to more than one room?
The listing says one HDMI source goes to four displays over Cat6, Cat6a or Cat7, with a stated reach of up to 400 ft. Cat cable is not listed in the box.
Does the listing support 4K?
One line says up to 2K at 60 Hz. Another says the highest resolution is 3840 x 2160 at 60 Hz, with 18 Gbps, HDMI 2.0a and HDCP 2.2. Both lines are on the listing.
Does each receiver need its own mains plug?
The listing says the receivers are powered over the cable and do not need an adaptor at the screen. The transmitter supply is described as a US plug with an international converter.
The Yinker SP104-B-C copies one HDMI source to four screens at the listing's stated 4K at 30 Hz, with HDCP 1.4 and auto EDID, in an aluminium case 16 mm thick that weighs 260 g. Across 59 amazon.co.uk reviews the line is 4.1, and buyers describe a stable HD picture, including one run through a 10 m cable and a projector presentation. USB-C power keeps the brick out of the parcel, though the box contains a USB-C lead, a 1.5 m HDMI cable and a manual, not the 5 V 1 A adaptor. The listing is explicit that this is a splitter rather than a switch, so several consoles into one television is the wrong job. Many reviews are a single line, so a repeated hardware fault is not visible in the sample, and one buyer returned the unit as unsuitable without naming a defect. At £19.99 it is the dearest of the three local HDMI boxes here.
Pros
Cons
Best for: One player or console mirrored to four nearby HDMI screens at 1080p or 4K at 30 Hz, if you already have a 5 V USB supply
Less suitable: Protected 4K at 60 Hz that needs HDCP 2.2, or a setup with no USB power source to hand
Specifications
Common questions
Does the Yinker splitter support 4K?
The listing states 4K at 30 Hz with HDCP 1.4. It also states 1080p at 60 Hz up to 30 m.
Can it connect to a games console?
The listing names a gaming console, a monitor and a television as compatible devices, and mentions PS5 and Xbox as example sources.
Is a mains adaptor in the box?
No. The package is the splitter, a 1.5 m HDMI cable, a USB-C power cable and a manual. The 5 V 1 A adaptor is not included.
The puyueer 1x4 is the £6.95 aluminium mirror box, listed at 3.8 from 280 amazon.co.uk reviews, the biggest count in the set and also the lowest stars. Buyers who wanted Full HD on three televisions, including one run they put at about 25 m, often say the picture is clear and the connectors hold. The listing claims 4K at 60 Hz and, in the same file, a pixel clock up to 225 MHz, which is not the 18 Gbps class, and it does not print an HDCP version. UK reviews report a European 2-pin plug or a US power supply rather than a BS 1363 plug, though one buyer ran the box from a Raspberry Pi USB port. A buyer who tried to change HDMI inputs found it would not, because this is a copy box rather than a switch, and others report a dead unit or a failure after about a month. One setup did not pass Dolby 5.1. Treat the price as a 1080p gamble if you can power it from a proper UK source.
Pros
Cons
Best for: A short 1080p mirror where you already have a UK USB supply or a proper BS 1363 adaptor
Less suitable: Anyone who needs a UK 3-pin plug in the box, HDCP 2.2, or four different pictures
Specifications
Common questions
Is the case metal?
The listing says the splitter is made of aluminium.
Does the listing include a UK 3-pin plug?
The package line does not list a BS 1363 plug. UK reviews report a European 2-pin plug or a US power supply in the box.
Can it switch between several HDMI sources?
No. The listing says it copies one HDMI source to four displays and does not extend the desktop. A review describes a buyer who could not change between HDMI inputs.
The Mercury 122.075 is a passive 4-way coaxial splitter listed at £4.92 for UHF, VHF and FM between 5 and 890 MHz, and the raw amazon.co.uk file prints no average and no review count. Individual UK reviews still describe loft installs that fed three or four televisions from one aerial in a good-signal area, including a buyer who replaced a failed amplifier and still had a usable picture. The body is described as light plastic at about 20 g, and several reviews say it cracked, a port pulled out of the housing, or a connector needed a hard push. Those reviews describe a male input and four female outputs, which caught people who needed the opposite gender. There is no power-pass line, so you should not assume it will feed a masthead amplifier, and it does not boost a weak aerial. At this price it is the cheapest electrical 4-way in the set, with the least evidence you can quote as a star rating.
Pros
Cons
Best for: A strong-signal loft where you want four coax legs and you can accept a plastic body
Less suitable: A masthead amplifier that needs power pass, a weak Freeview area, or outdoor use the listing does not confirm
Specifications
Common questions
Is a star rating shown on the listing?
No average and no review count are printed in the saved listing. Individual UK reviews are present, and they describe both working lofts and cracked plastic bodies.
Does the listing say it works outdoors?
A question on the page asks about outdoor use. The bullets do not answer it.
Does it amplify the aerial?
No. The listing describes a splitter for UHF, VHF and FM. Reviews note that a weak signal is not boosted.
Six 4-way splitters on amazon.co.uk were scored from the listing lines dated 19 October 2026 and from the UK review notes. This is not a lab test. A resolution slogan is not scored as a measured bandwidth. The 45 reviews on the OREI listing are marked in the saved listing as United States and Canada, so they are not treated as UK opinion. Mercury has no star average in the saved listing, so that score stays at 0 rather than a guessed star line. The highest score is the top pick. Among the other products, the value mark goes to Uzanpie. The cheaper HDMI box is excluded from that mark because UK reviews report a non-BS 1363 supply and the listing contradicts itself on 4K.
Amazon evidence
30%The amazon.co.uk star rating is scaled against 5, then reduced when the count is small. The count factor is full at 100 reviews or more, 0.85 from 50 to 99, and 0.7 from 20 to 49. It is zero when the saved listing has no average, which is why Mercury stays at 0. This part is capped at 30.
Listing fit
35%One input and four outputs, a named signal (HDMI mirror, HDMI over Cat cable, or terrestrial), a printed HDCP version or frequency, and a power or power-pass line you can act on. A 4K at 60 Hz claim beside 225 MHz, or a 4K line beside up to 2K, lowers this part.
Review outcome
20%UK review text that describes the stated job. A non-UK mains plug, a cracked plastic body, or a return after a few days lowers this part. Reviews from outside the UK cannot fill it, which is why the OREI US and Canada notes do not count here.
Value
15%Shelf price in GBP against a job the listing actually supports. The lowest price does not win when the plug or the bandwidth line fails. That is why the £6.95 HDMI box is not the best value in this set.
Name the cable, then the port count, then the printed bandwidth or frequency, then the plug. Price comes after those. The notes below follow the six amazon.co.uk listings checked on 19 October 2026. None of the scores is a lab measurement.
A 4-way splitter for this comparison has one input and four outputs that all carry the same signal. Name the cable before you name a brand. HDMI means an HDMI splitter. Coax from the aerial means a 75 ohm aerial splitter. Several HDMI sources into one television means a switch, not a splitter. Count the ports and keep 1-in, 4-out. An 8-output extender is a different category, and a hose fitting is not electrical.
A hose fitting is not electrical. An HDMI switch is not a splitter. Four extended PC desktops are not what these mirror boxes do. Name HDMI, coax or Cat cable before you compare the price.
Yinker and Uzanpie print 4K at 30 Hz and HDCP 1.4. The puyueer listing puts 4K at 60 Hz next to 225 MHz and does not print HDCP. OREI prints 18 Gbps and HDCP 2.2 and also a line of up to 2K at 60 Hz. Read both lines.
Power pass is low-voltage DC in the direction and current the maker states. Labgear states all ports. Mercury does not state it. A UHF splitter is also the wrong part for a satellite LNB. About 8 dB is the rule of thumb for a passive 4-way, not zero loss.
HDMI means an HDMI splitter. Coax from the aerial means a 75 ohm aerial splitter. Several sources into one television means a switch. Keep 1-in, 4-out. An 8-output extender and a hose fitting are different products. HDMI mirror boxes copy one player to four screens in the same room. They do not extend a desktop. Cat-cable kits do that same mirror job over Cat6 or Cat7. Passive aerial splitters divide one terrestrial feed.
Yinker and Uzanpie print 4K at 30 Hz and HDCP 1.4. HDMI 2.0 at 18 Gbps is the 4K at 60 Hz class, and HDCP 2.2 is what many protected 4K sources need. The puyueer file pairs a 4K at 60 Hz claim with 225 MHz and no HDCP line. OREI prints 18 Gbps, HDMI 2.0a and HDCP 2.2 beside up to 2K at 60 Hz. Labgear is 5–1000 MHz, F-type, zinc, power pass on all ports, with no dB figure of its own. Mercury is 5–890 MHz coax, with no power-pass line and no star average in the saved listing.
Three typical situations, each with a recommendation from this comparison.
You have a strong terrestrial aerial and you want four tuners, including DC up the coax for a masthead amplifier. The Labgear FJU704 is about £8.30, with power pass stated on all ports. It is not a satellite splitter.
You want the same 1080p or 4K at 30 Hz picture on up to four HDMI displays in the same room. The Uzanpie UZ014 is about £15.99 and states HDCP 1.4. The adaptor is not in the package line.
You will pay for one HDMI source over Cat6 or Cat7 to four screens. The OREI kit is about £529. It prints 18 Gbps and HDCP 2.2 beside a conflicting 2K line, and the supply is a US plug plus a converter.
In this set of six amazon.co.uk listings, the top pick is the Labgear FJU704. It is about £8.30, with 4.5 from 35 reviews, a zinc F-type body, 5–1000 MHz and power pass stated on all ports. The score is 90. The listing does not print a decibel loss, and the band is terrestrial, not satellite. The best value is the Uzanpie UZ014 at about £15.99, with 4.3 from 217 reviews, 4K at 30 Hz and HDCP 1.4 stated. The puyueer box is cheaper and has no award: UK reviews report a Euro or US plug, and the listing pairs a 4K at 60 Hz claim with 225 MHz. None of these scores is a lab test.
Labgear FJU704
Highest score in the set: about £8.30, 4.5 from 35 UK reviews, zinc F-type, 5–1000 MHz, power pass on all ports. No dB figure on the listing. Not a satellite splitter.
Uzanpie UZ014
About £15.99 with 4.3 from 217 reviews, 4K at 30 Hz and HDCP 1.4 stated. The cheaper HDMI box is out because of a non-UK plug in UK reviews and a 225 MHz line beside a 4K at 60 Hz claim.
Editorial
Peter F. is the editor for DIY & tools at productscompared.co.uk. Comparisons in this category are checked against amazon.co.uk listings, review evidence and public UK sources.
Guides on what to look for, how to use a product, and common mistakes.
Public UK sources from the research digest, last checked on 19 October 2026. Shelf prices and star lines are the amazon.co.uk figures in the display file. The about 8 dB loss is a rule of thumb, and Labgear and Mercury do not print their own figure.
Expert source (DIY & tools): Charlie White (Charlie DIYte) (external profile) – public expert commentary used as a research source, not as a contributor to our pages.
This page contains affiliate links to amazon.co.uk. If you buy through them, we may earn a commission at no extra cost to you. Prices, stars and review counts are from the UK listings checked on 19 October 2026. The OREI review count is marked in the saved listing as United States and Canada, not UK opinion. Mercury has no star average in that file. We did not lab-test these splitters.
