What is 4K Soundbar? Find out if you really need it or not!

A 4K soundbar is a soundbar that can play through 4K videos. It is sometimes called Ultra HD. This means that the resolution is about 4000 pixels high, higher than other resolutions below 8K.

4K Soundbar Demystified: A Must for 4K TV?

If you go to a market, you will find many soundbars with different specs, and you are messed up in your decision for the specs. But among the specs, one spec is a bit confusing, that is 4k, but that’s video specs, not audio. Do you really need a 4k Soundbar?

But why should you care? Keep reading out more details to find out it is something important to you or not.

4K Pass-Through on Soundbars

A soundbar with 4k HDMI Video Pass-Through means running your streaming device or media device to the soundbar and then connecting the soundbar to the TV without losing any quality.

A soundbar is not going to improve the picture quality. It is confusing to see an image quality spec like 4K when it really means that the soundbar has an HDMI input and output. That way, you can connect any video feed, including 4K ones, through the soundbar to your TV. It Also Enables “DAISY CHAINING” [it’s a term that describes the ability to connect a series of devices through a single connection between two devices] to your hardware. You can connect a video source [for example, a monitor] or a gaming console to the soundbar first and then connect to the TV.

Even soundbars done don’t need to be 4k compatible, but a passthrough can be convenient. You can connect other 4k media transfer devices to the soundbar and watch the visuals on your 4k TV Games. Will Be Brighter, Clearer, and more vivid. Movies and TV Show Will Be amazing. It WIll feel like a theater with less chance of video and audio getting out of sync or stuttering. 

But a 4k soundbar doesn’t Affect the sound quality or video quality the same way a receiver would. But It Enhances Your Home Theater Experience By The Less Amount of Cable Connection. It also Ensures That Audio And Video Are Synchronized. Using The Feature As Well As HDMI-ARC will improve the system.

Most of the Newer Models Come With One Automatically But not applicable For Older soundbars. So. How will you know if your soundbar is 4K passthrough compatible or not?

How to Tell if Your Soundbar Supports 4K?

How to Tell if Your Soundbar Supports 4K

There lot of Couple of ways to figure out whether your soundbar is 4k passthrough compatible or not. There Must Be an input that allows video to be transmitted in and another to send it out. If the soundbar doesn’t accept the video in, That Means It’s not 4k Pass-through Compatible.

Don’t Worry If Your Soundbar Doesn’t Support 4k. You Have options That include buying one that is. There Are A Lot Of 4k Soundbars On the Market That Can Help Your Home Into a Theater. for example, JBL BAR 5.1 4K ULTRA, HD 5.1-Channel Soundbar [On Amazon], or The Bose Soundbar 700 [also on amazon], which both support 4K pass-through.

But Before You Go to Buy Sound Bar, let’s shift and Add some questions you might have.

4K Pass-Through Soundbars – Frequently Asked Questions


Purchasing a soundbar Is an investment In a Home Entertainment System. Before spending your money on the soundbar, here are some questions and answers about 4k passthrough soundbars.

JBL Bar 5.1 - Channel 4K Ultra HD Soundbar with True Wireless Surround Speakers
  • JBL 5.1 surround sound with 510W of power
  • Detachable, battery-powered wireless surround speakers
  • Thrilling bass from a 10 Inch (250mm) wireless subwoofer
  • Wireless music streaming with Bluetooth
  • True 4K connectivity with 3 HDMI in/1 HDMI out (ARC)

Is 4K Pass-Through Necessary on a Soundbar?

It Depends On Your Set-Up Whether You Need a 4K pass-through or not. If you Want To Connect 4K devices To The Soundbar, It will Need a Pass-through But Remember Soundbars Are for Audio only; You Will Need a Pass-through To Transmit Video.

Do I Need HDMI for the Soundbar?

There is no doubt that an HDMI cable is the best option cause it can send higher quality and audio signals, But It’s not necessary if you don’t have one. Soundbars Can Be also connected To A TV Via Optical, Bluetooth, Wifi, Along with the Old Audio Cables. Again, the only difference is audio quality, but if you want to do a 4K Pass-Through, you will need an HDMI.

Can a Soundbar Connect to Any TV?

There are Some reasons that a Soundbar Can’t Be Connected To TV  One of the reasons is the input some older model of TV does not come with HDMI, BLUETOOTH, or optical cables. These Inputs Are Necessary for a soundbar to be connected. 
Another Cause Is That Your soundbar Is a Generation ahead According To Your TV. That means that the soundbar isn’t compatible with The Format of your TV. In most cases, when you’re ready To Add a Soundbar, Your TV will be compatible.
If You Still Have Doubts about compatibility, there are few ways in which you can make sure that the soundbar will work with your television.

First, look at your Owners Manual if you still have it. The ”specification” section will have a listing of all compatible inputs, don’t worry if you don’t have the manual. You can still check it at the back of the TV For an HDMI or optical cable output. If it has at least one of these on your TV, it means it is compatible with soundbars.

What 2.1 Channel Soundbar Is?

Audiophiles look at these numbers. A 2.1 soundbar means that it has two tweeters and one sub-woofer. This is the most common thing in a soundbar, and it is the most affordable one. If you are interested, listen to music rather than movies if you will want to pay a little more for one with additional tweeters.
You will find 5.1  soundbars that will make your room like a concert hall when you are listening to music. for a top-notch experience, 7.1.4  will be the best. And the number 4 refers to how many speakers are elevated. This helps to push the audio out for an amazing surround sound. But it has a minus point, that is the price.

Is a 4K Pass-through Soundbar Worth It?

If you have a 4K TV and soundbar but without video output, it is time to upgrade it. However, if you have enough inputs in your TV or don’t mind switching out devices as needed, you can get by with just an audio soundbar.


You do not necessarily need a 4K soundbar unless you can connect your devices. It won’t improve audio quality more than one without 4K. However, If You Do It For connections, you will definitely need a passthrough. That way, it will help to transmit images to your 4K television.

If You are rushing to buy a soundbar, make sure you see that if the soundbar is compatible with your TV or not?

-our editorial board has reviewed this article and has been approved for publication according to our editorial policy.

Best Seller List of 4K Soundbars:

SaleBestseller No. 1
Polk Audio Signa S2 Sound Bar & Wireless Subwoofer – Exclusive VoiceAdjust Technology, Ultra-Slim...
  • A PREMIUM ULTRA-SLIM SOUND BAR WITH INCLUDED WIRELESS SUBWOOFER – 5 powerful full-range drivers deliver beautiful rich sound with deep bass. Polk’s exclusive VoiceAdjust technology & Dolby Digital Decoding maximizes sound clarity & reduces voice delays
  • EXCELLENT SOUND AND VALUE on par with any mid- to high-range sound bars available in the market. At just over 2" tall, it fits most spaces — easily wall-mount it or place in front of your TV. It won’t block your TV’s bottom edge or IR remote sensor
  • UPGRADE YOUR HOME THEATER EXPERIENCE – Watch your favorite shows on your 4K HD Smart TV with exceptional picture quality & crystal clear sound. With numerous connection possibilities, plug in any audio source via HDMI ARC, optical input & AUX
  • WIRELESSLY STREAM MUSIC from your favorite streaming apps like Pandora, Spotify, TuneIn, and others directly from your smartphone, tablet or other compatible device through the built-in Bluetooth technology
  • SET UP YOUR SOUND BAR IN MINUTES — With the included subwoofer, HDMI and optical cables quickly connect your TV to the sound bar. Get set up and listening in minutes
SaleBestseller No. 2
VIZIO V-Series 5.1 Home Theater Sound Bar with Dolby Audio, Bluetooth, Wireless Subwoofer, Voice...
  • Low-Profile Modern Design - Clean silhouettes, subtle textures, and matte finishes seamlessly blend into any environment.
  • Powerful Performance - Brilliant clarity, thunderous bass, and Dolby Audio and DTS Digital Surround support combine for performance beyond its size.
  • Simple Setup, Streaming & Control - Get setup and listening in minutes with HDMI ARC and Bluetooth connectivity for unparalleled ease of use, control, and access to your content.
  • 5.1-Channel Sound - Experience a powerful room-filling, surround sound experience.
  • 6 Total Speakers - Full-range drivers deliver coherent sound and brilliant clarity.
SaleBestseller No. 3
Hiwill 120W Peak Power Soundbar for 4K & HD Smart TVs, Sound Bars for TV with Big 5.25'' Subwoofer,...
  • 【Enjoy Enhanced Thumping Bass for Your Smart TVs】 Exclusive big 5.25’’ Subwoofer, 9L Cavity Chamber and Upgraded 6 Intensified Silk Dome Surround Effects of 60W bass drivers to get punchy Bass for your Smart, Flat TVs, PC, Gaming Monitor, projector, Smartphones or Tablets.
  • 【2 DSP Technology & 120W Big HiFi sound】Upgraded Built-in 2 DSP chipset & Texas Instrument HiFi Smart Digital Amplifiers Increased intensity and richness for movies, music and game. Change weak FLAT TV sound into More Powerful, Wider and Natural Soundstage.
  • 【Immersive 3D Surround Sound 】Features 4 well-tuned upgraded Surround Effects Aluminum Alloy cone Drivers and 105dB Sound output with 2 DSP and Big Subwoofer, presenting audio with rousing highs and deep lows, makes the sound has 3D surround sound, easily turning an ordinary TV to a 3D surround one.
  • 【Upgraded CEC HDMI ARC Connections & Bluetooth 5.3】Support of Using TV remote to control soundbar in HDMI ARC mode, No need to use 2 remotes of turning on/off soundbar and tvs. Bluetooth 5.3 for wireless connection, Remote Control HDMI(ARC)/OPT/AUX for Easy wired connection.
  • 【Optimized 3 Equalizers】Comes with 3 equalizer modes: Music, Movie, and Game to select your favorite specialized mode for providing you with a wide range of stereo effects throughout the room so you can enjoy cinematic surround sound in your home.
Bestseller No. 4
TCL 4K Alto 8 Plus 2.1.2 Channel Dolby Atmos Sound Bar with Wireless Subwoofer, Bluetooth –...
  • DOLBY ATMOS SURROUND SOUND TECHNOLOGY: Dolby Atmos technology brings multi-dimensional sound that moves around you for greater depth and excitement, so you’re able to enjoy a more cinematic experience.
  • POWERFUL DRIVERS: Room-filling sound with a powerful soundstage that will envelop you—even from above—to give you cinema-like sound without additional components.
  • ROKU TV READY: Enjoy smoother setup, easy access to sound settings, and compatibility with your TCL Roku TV remote.
  • WIRELESS SUBWOOFER FOR PULSE-POUNDING BASS: Experience deep, rich bass to make movies and music truly come to life. Feel the beats in music and the impact of an action scene in movies. Sleek, compact, and wireless, you can place the subwoofer virtually anywhere to adjust your exposure to bass.
  • WIRELESS MUSIC STREAMING WITH BLUETOOTH: Stream all your favorite music and podcasts from apps like Pandora, Spotify, TuneIn, and more, wirelessly from your smartphone, tablet, or laptop with Bluetooth wireless technology.
Bestseller No. 5
JBL JBL2GBAR51IMBLKAM Bar 5.1 Soundbar with Built-in Virtual Surround, 4K and 10" Wireless Subwoofer...
  • An impressive 550w of total system power
  • 10"" wireless subwoofer delivers deep, thrilling sound
  • Built-in chromecast, airplay2 and bluetooth
  • JBLsurround sound brings an immersive virtual 5. 1 sound experience for your tv without any extra wires or speakers
  • 4k pass-through with hdr 10 and dolby vision provides the best resolution
Bestseller No. 6
Bose TV Speaker - Soundbar for TV with Bluetooth and HDMI-ARC Connectivity, Black, Includes Remote...
  • Hear your TV better: Designed with simplicity in mind, the Bose TV Speaker is a small soundbar that clarifies speech and is a simple fix for better TV sound
  • Wide, natural sound: 2 angled full-range drivers deliver a more realistic, spatial audio experience for overall better TV sound from a small soundbar
  • Enhanced dialogue: This TV speaker is designed to specifically focus on clarifying and elevating vocals and pronunciation
  • Bluetooth TV Speaker: Pair your device to this Bluetooth soundbar to wirelessly stream your favorite music and podcasts. Connect up to 3 devices through the inputs (HDMI, Optical in, and AUX in); the first powered on device will automatically connect
  • Simple setup: A single connection from this compact soundbar to the TV via an optical audio cable (included) or an HDMI cable (sold separately) has you up and running in minutes
SaleBestseller No. 7
Polk Audio MagniFi 2 Sound Bar & Wireless Subwoofer (2020 Model) with 3D Audio & Built-in Chromecast...
  • MAGNIFI NOW WITH 3D AUDIO - Virtual height effects and wireless subwoofer deliver an incredible room-filling and truly immersive 3D listening experience comparable to that of a concert or theater.Waterproof : No.Compatible Devices: ‎Television,Smartphone
  • BIGGER, MORE DYNAMIC SURROUND SOUND - Equipped with 6 powerful drivers - (4) 1" x 3" full-range drivers & (2) 0.75" tweeters, MagniFi 2 produces multi-dimensional audio, superior to any traditional sound bar
  • Polk's exclusive VOICE ADJUST & SDA TECHNOLOGY let you CONTROL VOICE LEVELS maximizing sound clarity and minimizing voice delays and muzzled sounds, creating an expansive soundstage with realistic imaging
  • WIRELESSLY STREAM MUSIC with built-in GOOGLE CHROMECAST from your smartphone and other compatible Bluetooth devices for a multi-room system. Cast your favorite music tracks and enjoy unlimited playback using Pandora, Spotify, Deezer, and more
  • UNIVERSALLY COMPATIBLE WITH 4K and HD TVs - Enjoy a cinematic experience with Dolby Digital & DTS audio, and pristine clarity with Dolby Vision, and INDEPENDENT MODES FOR MOVIES, MUSIC, AND SPORTS bring out the best of home cinema
Bestseller No. 8
5.1 CH Surround Sound Bar with Dolby Audio, Sound Bars for TV, Wireless Subwoofer & Rear Speaker,...
  • 5.1-CHANNEL SURROUND SOUND EXPERIENCE - Fully enjoys the thrill of DOLBY DIGITAL PLUS with the newest 5.1 Surround sound Engine, DSP technology, and impressive 400W of total system power. Dolby Audio adds room-filling excitement with floor to ceiling virtualized surround sound experience. Immerse yourself with 360° room transforming sound that adapts to your environment with included wireless rear speakers, taking TV, movies, and music into a whole new dimension.
  • IMMERSIVE NEXT-GENERATION BASS - The premium sound bar with 16” wireless subwoofer blends seamlessly into your living room or bedroom. The robust and dynamic bass grabs your attention in every room corner down to 50 Hz. Unleash powerful bass to turn your living room into an IMAX theater. Enjoy remarkable clarity and room-filling 5.1 surround sound with Dolby Audio to create a realistic audio experience like planes flying overhead and rain falling from above.
  • OPTIMIZE ENTERTAINMENT WITH UPGRADED EQUALIZER MODE - Personalize different equalizer modes: Music, Movie, News & 3D mode, and more advanced setting by using the Smart remote control for hearing and feeling every musical, explosion, dialogue, and detail with transparent and ear-pleasing loudness up to 120 dB. The remote also increases or reduces Treble and Bass Levels based on your sounding preference. So, you can sit back, relax, and enjoy the best budget 5.1 surround sound system!
  • ADVANCED CONNECTIVITY & CONTROL - Our 5.1 sound bar adopts Bluetooth 5.0 & DSP technology to ensure faster transmission speeds and stable connectivity up to 50 ft with low consumption from your Smartphones, Tablet, PC and other Bluetooth-enabled devices; You may also connect the sound bar to TV, Projector, Computer, XBOX, PS5, Amplifier, and more via HDMI ARC, RCA, or Optical input connection. All cables are included. You may control the sound bar using your TV remote in ARC input mode.
  • ALL ACCESSORIES INCLUDED, EASY TO SET UP IN MINUTES - The 5.1 sound bar is ready to be used right out of the box! The surround sound system must only be plugged into separate wall outlet with no cable between each speaker. Press the button on the back of the speakers until the light stops blinking. Ensure all speakers have a solid red light on the back to remain connected. All accessories are included. Premium HDMI Cable, Optical Cable, RCA Cable, Smart Remote, and mounting kits are all included
SaleBestseller No. 9
Amazon Fire TV Soundbar, 2.0 speaker with DTS Virtual:X and Dolby Audio, Bluetooth connectivity
  • Amp up your audio - Fire TV Soundbar enhances TV audio with dual speakers for fuller sound, clearer dialogue, and deeper bass—all in a compact design.
  • Immersive sound - Enjoy a three-dimensional virtual surround sound experience with DTS Virtual:X and more detail with Dolby Audio.
  • Easy setup - Just plug in the included HDMI cable to the HDMI eARC/ARC port on your TV to instantly enjoy audio that's always in sync.
  • Compact design - With a length of 24“ and a height of just 2.5", Fire TV Soundbar fits most entertainment consoles and TV stands.
  • Stream audio with Bluetooth - Connect your phone or tablet via Bluetooth to fill the room with your favorite music.
Bestseller No. 10
ULTIMEA 3.1.2Ch Sound Bar with Dolby Atmos for Smart TV, 2 Up-Firing Drivers, 390W Peak Power...
  • 3.1.2 Channel Dolby Atmos: With its distinctive three-dimensional sound field technology, the Dolby Atmos soundbar places you at the heart of the audio experience. The three main channels create a clearer and broader sound field. Two upward-firing drivers contribute to more precise dynamic object positioning
  • 2 Upward-firing Drivers: Soundwaves emitted upward by the soundbar reflect off the ceiling, creating a surrounding sound field. This, combined with Dolby Atmos, precisely locates sounds from the vertical direction, making flying objects, moving objects, and sounds like raindrops, bird chirps, or wind more authentic
  • 4K HDR Pass-through: Transmitting video image signals in 4K HDR without loss, provides more precise colors and higher-quality videos. Dolby Atmos enhances the fusion of sound and visuals, creating the perfect audio-visual feast for your home theater
  • Deepened Magnetic Circuit Design & BassMax Technology: The driver's high-precision material vibrating systems and deepened magnetic circuit design enables a 16mm membrane amplitude. Coupled with Ultimea's exclusive BassMax technology, the produced bass roars like a fierce beast
  • 6 Drivers Delivering 390W Peak Power: The 6 high-performance drivers provide exceptional audio quality with a peak power of 390W. The advanced magnetic circuit design and high-strength eco-friendly structural diaphragm reduce irregularities in the drivers, maximizing sound fidelity and ensuring stable audio output

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Last update on 2024-05-24

With an impressive 15-year track record in the world of blogging, I have established myself as an expert in this field. The passion for home entertainment and electronics shines through in work, providing readers with valuable information and guidance on creating the ultimate home theater experience.

Leading authority in the field of home theaters and home electronics. With a passion for sharing unique discoveries and personal experiences, I’m dedicated to providing valuable insights to enthusiasts and experts alike.

Through Theater DIY, I continue to be at the forefront of the ever-evolving world of home entertainment, offering expertise that enlightens and inspires.