10 Best HDMI Splitter For Soundbar in 2026

An HDMI splitter for soundbar can send one source to a television and a compatible sound system, but the differences between mirrored splitters, audio-only extractors, and HDMI switches are easy to overlook. A useful model must preserve the video format, pass the correct surround-sound signal, and work with the ports available on your equipment.

This guide compares ten products based on their stated HDMI specifications, audio formats, copy and downscale functions, protection handling, gaming support, and installation requirements. It covers options for sending video and sound to separate HDMI devices, as well as specialized products designed to extract return audio from a television's ARC or eARC connection.

The entries reveal several important differences: some support 4K HDR and Dolby Vision, some prioritize object-based surround formats, and others provide optical or analog audio outputs. Each section explains the most suitable setup and relevant limitations. Product availability and prices can change, so verify current specifications and seller information before buying.

Top 3 Picks for Best HDMI Splitter for Soundbar

Top 10 Best HDMI Splitter for Soundbar in 2026 Compared

The comparison below distinguishes full HDMI splitters, audio-only extractors, and bidirectional switchers by their maximum video format, soundbar compatibility, EDID behavior, and key limitations.

1. 4K@60Hz HDMI Splitter – Best Overall HDMI Splitter for Soundbar

4.3Editor scoreCheck price on Amazon

4K@60Hz HDMI Splitter 1 in 2 Out

4K at 60Hz

HDCP 2.2 bypass

Dolby Atmos support

Automatic downscaling

This 1-in-2-out HDMI splitter is the most directly aligned with the common goal of connecting one television and one soundbar. It has a 4.3 rating, supports 4K at 60Hz, and is designed to send synchronized video to a television while carrying surround audio to a soundbar with an HDMI input. Its combination of HDR, Dolby Vision, Dolby Atmos, and automatic downscaling makes it especially relevant to modern home-theater and gaming setups.

Pros

• Excellent TV and soundbar pairing
• Supports modern HDR formats
• Automatic mixed-resolution scaling
• Includes a four-foot cable
• Broad source-device compatibility

Cons

• Does not support ARC or eARC
• Mirrors rather than extends displays

We may earn a commission when you buy through this link, at no additional cost to you.

The splitter supports HDMI 2.0, HDCP 2.2, HDR10, Dolby Digital 7.1, Dolby Atmos, DTS, DTS-HD Master Audio, TrueHD, and LPCM audio. Output 1 is intended for an HDMI display, while Output 2 can feed either a display or an HDMI-equipped soundbar. It also allows a 4K television and a 1080p display to operate together by placing the lower-resolution device on Output 2 and using automatic downscaling, provided both outputs use the same refresh rate.

Its limitations are important but understandable for this category. It duplicates the same source rather than providing extended desktop space, and it cannot work with ARC or eARC return paths. Mobile phones are also excluded, while protected streaming services may require the source, television, and splitter to satisfy HDCP requirements. The stated cable guidance calls for HDMI 2.0 cables no longer than 16.4 feet for 4K or 32.8 feet for 1080p.

This is a strong recommendation for someone whose television and soundbar use separate HDMI connections and whose source device sends both video and multichannel audio over HDMI. It is less appropriate when the soundbar only offers ARC or eARC, or when separate content must appear on two displays. In those cases, an audio-only return-path extractor is the more logical device.

With its broad format support, included cable, and straightforward soundbar arrangement, it offers the most balanced choice in this guide. It covers the essential needs of a mainstream living room while accommodating 4K HDR, gaming consoles, streaming boxes, and surround-sound formats.

Simplified Television and Soundbar Setup

Connect the source to the splitter, the television to Output 1, and the soundbar to Output 2. The design is intended to keep 4K HDR video and object-based audio synchronized without forcing the television to relay sound through ARC.

Flexible Resolution Scaling

Automatic downscaling makes the splitter useful when one display is 4K and another is 1080p. Both displays must maintain the same refresh rate, so this is primarily a convenience feature rather than a universal mixed-timing solution.

Check price on Amazon

We may earn a commission when you buy through this link, at no additional cost to you.

2. OREI eARC Audio Splitter – Best for Two Soundbars

4.2Editor scoreCheck price on Amazon

OREI eARC Audio Splitter

ARC and eARC support

Audio-only signal path

Atmos and DTS:X

CEC volume control

The OREI eARC Audio Splitter solves a different problem from a conventional video splitter. Instead of sending video to two screens, it extracts television return audio and distributes that audio to two soundbars, receivers, or other audio systems. With a 4.2 rating and support for Dolby Atmos, DTS:X, TrueHD, and other major formats, it is intended for households that want more than one sound system driven by the television's eARC connection.

Pros

• Serves two audio destinations
• Supports high-bitrate eARC audio
• Supports television remote control
• Compact installation
• No drivers required

Cons

• Does not pass video signals
• Requires compatible ARC connections

We may earn a commission when you buy through this link, at no additional cost to you.

Both standard ARC and higher-bitrate eARC are supported. PCM 2.0 and Dolby or DTS 5.1 audio are covered for conventional ARC sources, while Dolby Atmos, Dolby TrueHD, DTS-HD Master Audio, DTS:X, and DSD expand the high-bitrate options. The product transmits audio only, which means the television still handles the picture and the splitter is installed downstream from the television's return-audio connection.

CEC control adds a practical convenience because the television remote can adjust the volume of a compatible connected soundbar or receiver. The compact enclosure requires no drivers and is designed for straightforward installation in a home, professional, or multi-room audio arrangement. It should not be mistaken for a full HDMI splitter because it cannot carry a television picture to a second screen.

This device is best for someone who already watches television through its built-in apps and wants the same television audio sent to two separate sound systems. It may suit a main living-room soundbar and a secondary receiver, or two rooms that share the same television audio source. It will not suit a setup requiring one HDMI source to feed both a television and a soundbar as separate video and audio paths.

For users seeking an audio-only two-zone solution, the specialized design is more useful than forcing a full video splitter into that role. Confirm that both destination devices accept the decoded audio format and that the television exposes the required ARC or eARC connection.

One Television, Two Audio Systems

The splitter divides the television's decoded return audio so a soundbar and an additional receiver can operate together. That makes it useful for shared TV viewing without requiring separate source boxes for each destination.

Format Awareness Matters

A source sending a sophisticated codec can be troublesome when a secondary destination does not decode that format. Checking both sound systems in advance avoids surprises with Atmos, TrueHD, DTS:X, or DSD content.

Check price on Amazon

We may earn a commission when you buy through this link, at no additional cost to you.

3. CORSAHD 4K HDMI Splitter – Best Budget HDMI Splitter for Soundbar

4.2Editor scoreCheck price on Amazon

CORSAHD 4K HDMI Splitter

4K 60Hz 4:4:4

18 Gbps bandwidth

HDCP 2.2 bypass

EDID copy mode

This CORSAHD splitter delivers the essential features of a 4K television-and-soundbar splitter without the higher-bandwidth specification of premium HDMI 2.1 models. Its 4.2 rating reflects a broadly capable package that supports 4K at 60Hz in 4:4:4, HDR, Dolby Vision, Dolby Atmos, digital 7.1-channel audio, TrueHD, and DTS-HD Master Audio.

Pros

• Affordable 4K HDMI routing
• Supports Dolby Vision and Atmos
• Flexible EDID and scaler modes
• Works with major game consoles
• No driver installation

Cons

• No 4K 120Hz support
• Does not support ARC or eARC
• No VRR or CEC support

We may earn a commission when you buy through this link, at no additional cost to you.

Its EDID controls make the device more versatile than a basic mirror box. In copy mode, a 4K television can occupy Output 1 while a soundbar occupies Output 2, allowing the source to send 4K HDR or Dolby Vision video and an Atmos bitstream simultaneously. The output scaler can also be set to 1080p for a lower-resolution second display, while EDID modes can be selected for different combinations of 4K and 1080p screens.

The main omissions are significant for some users. It cannot handle 4K at 120Hz, variable refresh rate, or HDMI-CEC. It also does not support ARC, eARC, or Sonos ARC, which means it should be used with a soundbar that has a conventional HDMI input. EDID pass-through does not create additional EDID data, and the splitter duplicates rather than extends the source image.

This is a good value-oriented choice for a PS5, Xbox, Nintendo Switch, Apple TV, Fire Stick, Roku, Blu-ray player, or similar source feeding a 4K television and a compatible soundbar. Its 18 Gbps bandwidth is sufficient for the stated 4K 60Hz HDR use case, but it is not the option to choose for a future-oriented 4K 120Hz gaming installation.

For viewers seeking Atmos video-and-audio pairing at 4K 60Hz, the combination of EDID management, downscaling, HDCP bypass, and broad codec support is persuasive. Its constraints are clearly stated, allowing buyers to determine whether its value outweighs the absence of next-generation gaming features.

EDID-Guided Home Theater Setup

Copy mode can stabilize the source's output negotiation when a 4K television and soundbar are connected to separate ports. The scaler setting then determines whether the second output should present a reduced resolution.

A Sensible 4K 60Hz Target

The splitter is centered on familiar HDR and gaming formats rather than 4K 120Hz. That focus makes it practical for many televisions and game consoles that operate primarily at 60Hz.

Check price on Amazon

We may earn a commission when you buy through this link, at no additional cost to you.

4. OREI 4K Duplicator – Best Basic Video Duplicator

4.4Editor scoreCheck price on Amazon

OREI 4K Duplicator

4K at 30Hz

HDCP 1.4 support

Mirrored video and audio

Thirty-foot cable limit

The OREI 1-in-2-out duplicator is a straightforward way to mirror one HDMI source across two televisions. It carries a 4.4 rating and supports 4K x 2K at 30Hz, 1080p at 60Hz, 720p, 480p, 3D, and several legacy video formats. Its greatest attraction is simplicity rather than cutting-edge home-theater capability.

Pros

• Highest rating in the guide
• Simple plug-in duplication
• Metal enclosure
• Broad source compatibility
• International power adapter included

Cons

• Does not support HDCP 2.x
• No audio extraction outputs
• Four-foot cables not included

We may earn a commission when you buy through this link, at no additional cost to you.

The same picture and sound are sent to both outputs, making the unit suitable for a television in two rooms, a presentation display, or a digital-signage installation. A metal enclosure helps dissipate heat, and the included dual-voltage power supply includes an international adapter. OREI recommends quality HDMI cables no longer than 30 feet to preserve picture quality.

There are several constraints. The splitter will not bypass HDCP, which may prevent protected streaming content from displaying. It supports HDCP 1.4 but not HDCP 2.0 or 2.2, so it is not a strong match for contemporary 4K HDR streaming services. It has no dedicated optical or analog audio output and is not designed to feed a soundbar that requires extracted audio.

A soundbar with a conventional HDMI input may receive the mirrored HDMI audio through Output 2, but the user's HDCP source must negotiate a format accepted by all devices. For protected content, the older protection support is a meaningful drawback. This model is better suited to unprotected sources, computers, older consoles, and straightforward dual-TV viewing.

It is worth considering for basic mirroring where the priority is reliable duplication and uncomplicated power. It is less compelling for a modern soundbar installation that depends on 4K HDR, Atmos, HDCP 2.2, or a dedicated audio extractor. The included accessories do not include HDMI cables, so those must be sourced separately.

Reliable Basic Mirroring

The device mirrors identical content to two outputs and is explicitly not intended for extending a computer across multiple monitors. That narrower purpose makes it easy to understand and use.

Protection Is the Main Check

Because HDCP 1.4 is supported but newer 2.x versions are not, buyers should confirm that their streaming services and source equipment will negotiate a compatible protected format.

Check price on Amazon

We may earn a commission when you buy through this link, at no additional cost to you.

5. Tendak 1×2 Audio Extractor – Best for Legacy Audio Connections

4.3Editor scoreCheck price on Amazon

Tendak 1×2 Audio Extractor

4K at 30Hz

Optical digital output

Analog L/R output

HDMI audio passthrough

The Tendak splitter combines mirrored HDMI output with an integrated audio extractor, making it useful for soundbars and speakers that rely on optical or analog connections. It has a 4.3 rating, handles 4K x 2K at 30Hz and 3D, and provides SPDIF optical, coaxial digital, and left-right stereo outputs alongside its two HDMI outputs.

Pros

• Multiple audio output options
• Useful for older amplifiers
• Supports 5.1 optical mode
• Works with major media sources

Cons

• Only supports 4K 30Hz
• Cannot decode advanced audio codecs
• PCM conversion may be required

We may earn a commission when you buy through this link, at no additional cost to you.

This variety of outputs is the defining advantage. A soundbar with optical input can receive a digital stream, while an older amplifier or powered speaker pair can use the L/R connection. The optical output supports two-channel and 5.1-channel modes according to the product information. HDMI audio can also continue to the second HDMI output when separate extraction is not required.

The splitter does not decode Dolby TrueHD, DTS-HD, AC3, DTS, or DSD into analog sound. It passes compatible bitstreams, but an amplifier or soundbar unable to decode the selected format may produce no audio. The practical solution is to configure the source to PCM or LPCM, although doing so can reduce the richness of the original surround mix.

Its 4K 30Hz ceiling also places it well behind modern 4K 60Hz models. Users with newer gaming consoles, HDR televisions, or high-bandwidth streaming content should verify that the source, television, and splitter can all settle on a compatible format. The device is more useful when a legacy soundbar lacks HDMI input but has optical or analog audio.

For an older home-theater system needing a way to separate television or console audio into a conventional audio input, this device remains practical. It is less attractive for a new Dolby Atmos installation, where native HDMI audio and modern 4K bandwidth are priorities.

Audio Outputs for Older Equipment

Optical, coaxial, and analog connections give the splitter unusual flexibility. These options can rescue a soundbar or receiver that lacks a usable HDMI input.

Avoiding Codec Mismatches

Advanced surround formats are passed rather than decoded. Selecting PCM at the source is the most broadly compatible setting, but users should understand that the original bitstream may not be reproduced.

Check price on Amazon

We may earn a commission when you buy through this link, at no additional cost to you.

6. HB-SP102B-8K HDMI Splitter – Best for High-Bandwidth 8K

4.6Editor scoreCheck price on Amazon

HB-SP102B-8K HDMI Splitter

8K at 60Hz

48 Gbps bandwidth

4K at 120Hz

Automatic mixed-resolution scaling

This 8K HDMI splitter combines high bandwidth with automatic output management, earning the highest rating in the guide at 4.6. It supports 8K at 60Hz in 4:4:4, 4K at 120Hz, 4K at 60Hz, and several high-refresh 1080p modes through a stated 48 Gbps bandwidth. It is built for users who want a television and soundbar to receive a modern high-performance signal.

Pros

• Highest rating in the guide
• Extensive 8K support
• Automatic resolution detection
• Broad surround-audio support
• One-year warranty

Cons

• Mixed refresh rates unsupported
• ARC-only soundbars incompatible
• Not suitable for phones

We may earn a commission when you buy through this link, at no additional cost to you.

A particularly useful feature is automatic downscaling. The splitter reads the EDID information of connected displays and can provide 8K to an 8K television while delivering 4K to a 4K display, without requiring an EDID pin switch. The stated limitation is important: mixed refresh rates, such as 60Hz on one display and 30Hz on the other, are not supported.

Audio support includes DTS Digital, DTS-HD, DTS 5.1, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, and PCM 2.0 with sample rates from 8KHz to 192KHz. The second output can feed a television, A/V receiver, or soundbar with a standard HDMI input. Soundbars limited to ARC or eARC cannot be used with this arrangement.

Cable length is another practical consideration. The listed guidance supports 10-foot input and output cables for 8K 60Hz or 4K 120Hz, while 4K 60Hz can use a 15-foot input and 30-foot output. The device is not compatible with smartphones, tablets, laptops, or MacBooks, and it cannot connect multiple game consoles simultaneously.

This is an excellent choice for a current-generation 8K television and a standard-HDMI soundbar, especially when one connected display has a lower native resolution. It is less appropriate for mixed-refresh installations, portable-device sources, or ARC-only soundbars. Its combination of 8K support, automatic scaling, and the guide's highest rating makes it a strong general recommendation.

Automatic Scaling Between Displays

Reading each television's EDID data allows the splitter to select an appropriate output resolution without manual switches. This is particularly convenient when pairing an 8K television with a 4K television.

Designed for Modern HDMI Bandwidth

The 48 Gbps specification supports the highest formats in the guide and aligns with HDMI 2.1 expectations. Premium-specification HDMI cables and careful length limits remain essential.

Check price on Amazon

We may earn a commission when you buy through this link, at no additional cost to you.

7. OREI 8K HDMI Switch – Best for Two Source Devices

4.2Editor scoreCheck price on Amazon

OREI 8K HDMI Switch

8K at 60Hz

Two HDMI inputs

48 Gbps bandwidth

Optical audio extraction

The OREI 8K HDMI Switch is included for an important distinction: it selects between two source devices rather than sending one source to two displays. With a 4.2 rating, HDMI 2.1 compliance, and support for 8K at 60Hz, 4K at 120Hz, and 1080p at 240Hz, it suits users who alternate between a game console and a streaming device while retaining high-resolution performance.

Pros

• Switches between two sources
• Supports manual and automatic switching
• Includes infrared remote
• Offers optical audio extraction
• Broad high-resolution support

Cons

• Does not duplicate to two displays
• No HDMI-CEC support
• Capture cards are unsupported

We may earn a commission when you buy through this link, at no additional cost to you.

Switching can be performed with the unit's button or the included infrared remote, and an automatic input-switching function is listed. The output mirrors the selected input, while optical and left-right audio outputs provide a way to connect an external sound system. Supported HDMI audio formats include LPCM, Dolby Digital and its variants, Dolby TrueHD, DTS formats, DTS-HD Master Audio, and DSD.

The device does not support HDMI-CEC and is not compatible with capture cards. It is therefore not the appropriate product for a two-screen mirroring arrangement, nor is it ideal for a setup that depends on one-button TV remote control for the switcher. It also does not send video to a separate television and soundbar simultaneously; it presents one selected source to one HDMI display.

The audio extractor can be helpful for users who want a soundbar or receiver connected through optical audio while the picture remains on the television. Because the output is still a single display path, the soundbar should not be expected to receive a separate 4K video stream from this unit. It is primarily a source switch with an added audio-output option.

This model is best for a single television and soundbar system with multiple HDMI sources. Its high bandwidth and remote control simplify access to demanding sources, while the extraction outputs broaden compatibility with legacy audio equipment. Users seeking mirrored output to two screens should choose an actual splitter instead.

Convenient Source Selection

A front-panel button, included infrared remote, and automatic switching offer several ways to move between two connected HDMI sources. This makes the unit convenient for routine console-and-streamer changes.

High Resolution With Audio Options

The switch preserves advanced video formats while providing optical and analog extraction. It works best when one display receives the selected picture and a separate amplifier receives the extracted sound.

Check price on Amazon

We may earn a commission when you buy through this link, at no additional cost to you.

8. GANA Bidirectional Switcher – Best Simple HDMI Source Switch

4.3Editor scoreCheck price on Amazon

GANA Bidirectional Switcher

4K at 60Hz

Three HDMI ports

Bidirectional operation

Manual button switching

The GANA unit is a three-port bidirectional HDMI switch rather than a true splitter. Its 4.3 rating and support for 4K at 60Hz make it a practical option for users who need to move a console, streaming box, or disc player between a television and another display one at a time. It cannot show different programs on both displays simultaneously.

Pros

• Simple manual operation
• No external power required
• Compact aluminum housing
• Supports 4K 60Hz
• Works with many source devices

Cons

• Only one display operates
• No soundbar audio extraction
• HDMI cable not included

We may earn a commission when you buy through this link, at no additional cost to you.

Two operating modes provide flexibility: two HDMI sources can connect to one display, or one source can toggle between two displays. LED indicators show the active port, and a front button changes the selection. The aluminum enclosure is compact, and no external power supply is required, reducing cable clutter around an entertainment center.

Video support includes 4K at 60Hz, 2K, 1080p, and 3D. The stated data rate is 3.4 Gbps, and the manufacturer recommends a standard HDMI 2.0 cable with a total length no greater than three meters for the intended 4K experience. No HDMI cable is included, which should be considered when planning the installation.

It does not extract optical or analog audio and cannot send a television picture and soundbar audio to separate devices as independent outputs. A conventional soundbar with HDMI input may work when the switch is in a one-source-to-one-display configuration, but the switch is not intended to serve as a dedicated soundbar splitter.

This is a sensible pick for a simple source-management problem and an appealing option when avoiding power adapters is important. It is best for a single active display, moderate cable lengths, and users who value a one-button aluminum switch over advanced EDID or audio-routing functions.

Two-Way Port Flexibility

The bidirectional design allows the same three-port box to function either as a two-input switch or as a one-input selector for two displays. Only one output remains active at a time.

Minimal-Power Entertainment Setup

Operating without an external power adapter keeps the installation simple. The trade-off is a more modest feature set compared with powered EDID-aware splitters.

Check price on Amazon

We may earn a commission when you buy through this link, at no additional cost to you.

9. avedio links 4K Splitter – Best for Two-Screen Mirroring

4.1Editor scoreCheck price on Amazon

avedio links 4K Splitter

4K at 60Hz

18.5 Gbps bandwidth

Automatic downscaling

Video and audio mirroring

The avedio links splitter is designed explicitly for duplicating one HDMI source to two displays. It has a 4.1 rating and supports 4K at 60Hz in RGB 4:4:4, 1080p at 60Hz or 120Hz, and deep color at 30 or 36 bits. Its stated bandwidth is 18.5 Gbps, making it appropriate for conventional 4K HDR distribution when both destinations can negotiate compatible formats.

Pros

• Clear mirror-only design
• Mixed-resolution support
• Wide source compatibility
• Cable and adapter included
• Simple physical setup

Cons

• Does not extract soundbar audio
• No ARC or eARC support
• No CEC or switching

We may earn a commission when you buy through this link, at no additional cost to you.

The unit mirrors video and audio simultaneously and can mix a 4K display with a 1080p display using automatic or forced downscaling. It does not support conversion from 4K 60Hz 4:2:2 to 1080p, so users should verify the color format selected by the source. Recommended cables are HDMI 2.0 AWG 26, no more than 16 feet for 4K and 32.8 feet for 1080p.

Most importantly for the keyword, the splitter is not an audio extractor. It cannot feed a soundbar that requires optical, analog, ARC, or eARC audio, and it does not support CEC. The product information specifically says it is not compatible with connecting to an audio device such as a soundbar. A soundbar with a standard HDMI input may receive the mirrored audio only if the entire source, television, and soundbar chain can negotiate that output.

Its strengths are clearer for dual-monitor, presentation, event, education, and digital-signage applications where identical content is wanted on two screens. The package includes the splitter, a USB power adapter, and a four-foot HDMI 2.0 cable, simplifying initial setup.

This model should be considered when the primary requirement is identical 4K content on two displays and a soundbar is not part of the audio-routing plan. For a television-plus-soundbar system, the lack of extraction makes one of the dedicated soundbar splitters a better fit.

Predictable Duplicate Output

Both displays receive the same content, with no extended desktop and no switching function. This predictable behavior is useful in presentations, demonstrations, and shared-viewing rooms.

Resolution Matching With Care

Automatic downscaling supports a 4K and 1080p pairing, but the inability to convert 4:2:2 to 1080p requires attention to the source's color-space settings and cable capabilities.

Check price on Amazon

We may earn a commission when you buy through this link, at no additional cost to you.

10. CORSAHD 8K HDMI 2.1 – Best Premium HDMI Splitter for Soundbar

3.9Editor scoreCheck price on Amazon

CORSAHD 8K HDMI 2.1

8K at 60Hz

4K at 120Hz

48 Gbps bandwidth

VRR and ALLM

This CORSAHD model is the specification-heavy option in the guide, supporting 8K at 60Hz, 4K at 120Hz, 5120 by 1440 at 120Hz, and 1080p at 240Hz across a stated 48 Gbps bandwidth. Its 3.9 rating is the lowest in the list, but its feature set is aimed at buyers with 4K 120Hz gaming, variable refresh rate, and automatic low-latency mode requirements.

Pros

• Premium 8K and 4K 120Hz support
• Variable refresh rate included
• Automatic latency handling
• EDID and downscaling controls
• Capture-card workflow documented

Cons

• Lowest rating in the guide
• ARC and eARC unsupported
• Requires quality short HDMI cables

We may earn a commission when you buy through this link, at no additional cost to you.

Video features include VRR, ALLM, HDR, Dolby Vision, HDCP 2.2, HDCP 2.3 bypass, and 4:4:4 at eight bits. EDID management and downscaling can duplicate one source to two displays at the same or different resolutions. Audio support includes Dolby Atmos, digital 7.1-channel audio, Dolby TrueHD, and DTS-HD Master Audio, allowing a 4K television and a compatible HDMI-input soundbar to operate together.

The product is explicit about its limitations. It supports mirror, duplicate, and copy modes but not extended desktop operation. A soundbar needs at least one HDMI input, and the splitter does not support ARC or eARC. Certified HDMI 2.1 cables shorter than 10 feet are recommended because poor cables are identified as a frequent cause of connection problems.

It also includes a capture-card workflow. For an Elgato HD60X, the capture card is connected to Output 1 and the display to Output 2 while EDID copy mode is used. The capture card supports up to 4K 60Hz or 1080p 120Hz, automatically reducing to 60Hz during recording, and the guide recommends 1080p 120Hz source mode when enabling VRR.

This is a strong recommendation for an advanced gaming room where a console must feed both a high-refresh television and a soundbar or receiver. It may be excessive for standard 4K viewing, and its lower aggregate rating suggests more demanding setup requirements. Buyers should also accept that every connected device must support the selected video and audio formats.

Gaming-Oriented 4K 120Hz Support

VRR and ALLM bring the splitter closer to the feature set expected from contemporary HDMI 2.1 gaming equipment. The source, television, and soundbar must all negotiate compatible formats.

Advanced EDID and Capture Control

Copy mode and dual-resolution output make the splitter adaptable to more demanding installations. The documented capture-card arrangement is particularly useful for game-streaming setups.

Check price on Amazon

We may earn a commission when you buy through this link, at no additional cost to you.

Buying Guide – How to Choose the Best HDMI Splitter for Soundbar

The right choice depends on how your television, soundbar, source devices, and audio formats connect. Bandwidth, EDID behavior, protection support, and the distinction between HDMI input and ARC return audio deserve careful attention before purchase.

Determine Whether You Need a Splitter or Extractor

A video splitter takes one HDMI source and duplicates it to two HDMI outputs. That arrangement lets a television receive the picture while a soundbar with a standard HDMI input receives the soundtrack. An audio extractor, by contrast, may pull sound from an HDMI connection and offer optical or analog outputs, or it may split a television's ARC or eARC return audio. Read the ports on both the television and soundbar before choosing. A soundbar labeled ARC-only cannot be treated like a device with a conventional HDMI input.

Choose a splitter for a television-plus-HDMI-soundbar layout. Choose an extractor for optical, analog, or ARC-derived audio. Do not assume a box labeled as an HDMI splitter can perform either function.

Match Maximum Video Bandwidth

Resolution and refresh rate are separate performance limits. A device supporting 4K at 60Hz may not support 4K at 120Hz, while an 8K model may still omit gaming features such as VRR. Check both the source and television as well as the splitter. For a television operating at 4K 60Hz, an 18 Gbps-class model is usually sufficient; 48 Gbps-class HDMI 2.1 hardware is more relevant when 4K 120Hz, 8K 60Hz, or high-refresh 1080p is required.

Buy bandwidth above what you currently use if you expect future upgrades. Avoid paying for 8K or 4K 120Hz specifications when your television and source cannot deliver those formats.

Confirm Audio Format Compatibility

Surround-sound support is not simply a matter of finding the word Atmos on the box. Confirm whether the model passes Dolby Atmos, Dolby TrueHD, DTS-HD Master Audio, DTS:X, DSD, and digital 7.1 audio, and whether your soundbar can decode each format. Some devices pass bitstreams but cannot decode them into analog outputs. In that case, the source may need to output PCM or LPCM for reliable playback, even though doing so can reduce the original surround-sound detail.

Match the splitter's decoding behavior to the selected output. Native HDMI passthrough is preferable for a modern soundbar, while optical or analog extraction is useful for older equipment.

Understand EDID and Downscaling

EDID information tells the source what resolution and refresh rate a display can accept. A splitter with EDID copy or management can help a source select a format compatible with both the television and soundbar. Automatic downscaling is especially useful when one output is 4K and the other is 1080p. However, many splitters cannot mix refresh rates, and some cannot convert every color format. A product that supports mixed resolutions may still fail if one display expects 60Hz and the other expects 30Hz.

Look for explicit guidance on copy mode, scaler settings, and mixed refresh rates. Use the settings recommended for the exact television-and-soundbar combination rather than assuming every mode is interchangeable.

Check HDCP and Streaming Support

HDCP protects content sent by streaming services, discs, and some broadcast sources. A splitter that does not bypass or support the required version may show a black screen, flicker, or no protected content. Products supporting HDCP 2.2 or 2.3 are more relevant to modern 4K services than older HDCP 1.4-only devices. Bypass does not guarantee that every streaming service will work, but it reduces one common compatibility obstacle.

Verify the protection version of the source, television, and splitter together. If your main source is a protected streaming service, do not choose a basic duplicator solely from its resolution rating.

Assess Gaming Features

Variable refresh rate and automatic low-latency mode matter for compatible gaming consoles and modern televisions. A splitter that supports 4K 120Hz but not VRR may still introduce behavior that undermines the intended gaming experience. Cable quality, length, and the output device's HDMI capabilities also influence whether these features remain stable. For capture-card workflows, confirm the documented output assignment and use the specified EDID mode.

Prioritize the exact gaming features you use. A gamer seeking VRR should avoid a splitter that explicitly excludes it, while a 4K 60Hz living-room setup may gain little from paying for those additions.

Examine Cable and Power Requirements

High-resolution signals are sensitive to cable quality and length. Several products in this guide specify maximum lengths for 4K, 8K, or 4K 120Hz operation, while one budget model recommends a much shorter total cable length. Powered splitters usually include an adapter, but unpowered switches can reduce clutter. Check whether HDMI cables are included, because a device may include a power adapter but no signal cable.

Use certified cables within the manufacturer's stated limits. If your planned run is unusually long, a powered active cable or a different layout may be more dependable than stretching the recommended distance.

Plan for Mirroring Rather Than Extending

Nearly every product described as a splitter duplicates the same source. It does not create an extended Windows or macOS desktop, place separate applications on each screen, or let both displays show unrelated content. A bidirectional HDMI switch can move one source between two displays, but only one remains active. True desktop extension requires a splitter designed and configured specifically for that task, not merely a mirrored video distribution box.

Confirm that duplicate content meets your needs. For presentations and shared viewing it is ideal; for separate computer workspaces, look for a dedicated multi-monitor extender instead.

How to Use and Care for Your HDMI Splitter for Soundbar

Begin by identifying the signal path. For a standard television-and-soundbar arrangement, connect the game console, streaming device, disc player, or other source to the splitter's HDMI input. Connect the television to Output 1 and the soundbar's HDMI input to Output 2. Turn on the source and displays, select a compatible video resolution, and confirm that the television is configured to receive sound through HDMI rather than its own speakers.

Configure EDID, copy mode, or the scaler only after the basic connection works. If the source produces a blank image or unsupported resolution, review the splitter's stated mode for the exact output combination. Match the refresh rates on both outputs when mixed-resolution downscaling is used. For soundbars connected through optical or analog extraction, set the source to PCM or LPCM if a more advanced codec is not being decoded correctly.

Care for the unit by using the specified power adapter, avoiding unsupported phone or tablet connections, and keeping cables within the recommended length. If the picture flickers or protected content disappears, power-cycle the source, television, soundbar, and splitter, then reseat the cables. Updating firmware is not appropriate for every model; follow the manufacturer's guidance and avoid changing several settings at once while troubleshooting.

Frequently Asked Questions

Final Thoughts on Choosing the Best HDMI Splitter for Soundbar

Related guides

• 10 Best Battery Powered Outdoor Fans (October 2026) Expert Guide
• 10 Best Retractable Power Strip (October 2026) Expert Guide
• 3 Best Silent Case with Sound Dampening (October 2026) Expert Guide
• 10 Best Managed Switch (October 2026) Expert Guide