How to Connect a Soundbar to Your TV: A Dummy's Guide
By Robert Jones · 2026-03-09
Getting that new soundbar to work with your telly can be a bit of a faff, can't it? Don't fret, I've been there myself; it's usually simpler than it looks. I'll show you the ropes, no fuss.
Getting that new soundbar to work with your telly can be a bit of a faff, can't it? Don't fret, I've been there myself; it's usually simpler than it looks. I'll show you the ropes, no fuss. **Quick Verdict:** Honestly, stick to HDMI ARC/eARC for the easiest and best sound from your new soundbar. ### Who it's for: * Anyone who wants proper sound that their telly just can't manage. * Folks looking for an upgrade that doesn't involve a tangle of cables and a full surround system. * Those who want to hear dialogue clearly and feel a bit more immersed in films, TV, and games. * Anyone with a relatively modern TV and a soundbar looking for the simplest, most effective connection. ### Who should skip it: * If you're dreaming of true, discrete surround sound from just one bar – you'll need more speakers for that. * People expecting absolutely no wires whatsoever; you'll always need power, and usually an audio cable too. * If your TV is older than the hills and lacks modern HDMI ports; sometimes a new TV is the real solution. * Anyone on a really tight budget who might be better off saving up for a decent stereo pair instead.  *Setting up your soundbar in the SpeakersMag workshop – it's usually simpler than you think.* Right, let's get straight to it. You've just dropped a bit of cash on a soundbar, haven't you? Probably hoping to stop your TV from sounding like a knackered old transistor radio. Good shout, honestly. Most tellies these days have screens that look amazing, but the sound? Dreadful. Thin, tinny, no oomph whatsoever. They've got to make them so slim, haven't they? Means there's no room for decent speakers. But now it's sitting there, fresh out the box, and you're looking at a tangle of wires and a manual thicker than a brick. It can be a bit intimidating, even for someone who's been at this game for over two decades like me. I've seen plenty of kit come and go, and while the tech changes, the basic principles of getting sound from A to B usually stay the same. Trust me, getting that glorious sound pumped through your living room isn't as tricky as it looks. I'll walk you through it, no faff. This isn't rocket science, just a bit of common sense and knowing what lead goes where. You'll be enjoying proper cinematic sound before you can say "Dolby Atmos." ## Unboxing Day Nerves: What's All This Then? I’ve lost count of how many times I’ve been called out to a mate’s place, or even a customer, who’s bought a cracking new soundbar – something like a Sonos Beam Gen 2 or a decent-sized Sennheiser Ambeo, which are both brilliant, by the way – only to find it still in its box a week later. Why? Pure dread of the setup. They see HDMI, Optical, Bluetooth, USB, maybe even a network port, and think they need a degree in electrical engineering to get the thing singing. Honestly, it’s rarely that complex. Most of the time, it’s one or two cables, a bit of menu fiddling on the TV, and you're done. The trick is knowing which port to use for the best sound, and how to tell your TV to actually send the sound that way. I remember one bloke, bless him, bought a cracking £700 Bose Soundbar 900 – lovely bit of kit, that. He’d had it for three months, just using his TV speakers, because he couldn’t face the "technical nightmare." Took me ten minutes to sort him out with an HDMI cable. He nearly cried when he heard the difference. That's why I'm writing this, so you don't have to go through that faff. It really is a simple upgrade that makes a massive difference to your viewing pleasure. ## The Gold Standard: HDMI ARC / eARC If you've bought a soundbar in the last five or six years, and your TV isn't ancient, then HDMI ARC (Audio Return Channel) or its newer, fancier brother, eARC (enhanced Audio Return Channel), is almost certainly your best bet. Forget the other ports for a minute; this is where you want to be. I'm not kidding. It's the simplest, most effective way to get high-quality sound from your TV to your soundbar. ### Why HDMI ARC/eARC is the Business Think of it like this: a normal HDMI cable sends a picture *to* your TV and sound *with* that picture. Great for a Sky box or a Blu-ray player. But what if the sound you want to hear is coming from an app *on* the TV itself, like Netflix or iPlayer? Or from a Freeview tuner built into the TV? That's where ARC comes in. It sends the audio *back* from the TV to your soundbar, all down the same cable that would normally just be taking video in. Clever, eh? With eARC, you get even more bandwidth. What does that mean for you? It means it can handle the really fancy, uncompressed audio formats like Dolby TrueHD and DTS-HD Master Audio, and especially object-based sound like Dolby Atmos and DTS:X. If your soundbar and TV both support eARC, you're getting the absolute best audio quality available. If your kit only supports ARC, don't fret – it's still excellent for most things, but you might miss out on the very highest quality Atmos signals. Most streaming services use a compressed version of Atmos anyway, which ARC can usually handle fine. ### How to Hook It Up 1. **Find the right port:** Look at the back of your TV. You'll see several HDMI ports. One of them, usually labelled "HDMI ARC" or "HDMI eARC," is the one you want. Sometimes it's HDMI 1, sometimes it's HDMI 2 – just check the labels. Your soundbar will have a similar port, often labelled "HDMI OUT (ARC/eARC)" or just "TV (ARC/eARC)". 2. **Use a decent cable:** You don't need to spend a fortune on a fancy "audio grade" HDMI cable. Honestly, most bog-standard high-speed HDMI cables will do the job perfectly well. Don't let anyone try and sell you an expensive one unless you're running it over a very long distance (say, 10 metres or more) or you're really worried about future-proofing for 8K video down the line. A standard "high-speed with Ethernet" cable will be grand for ARC/eARC audio. 3. **Connect 'em up:** Plug one end into the TV's ARC/eARC port, the other into the soundbar's ARC/eARC port. 4. **Power 'em up:** Turn on your TV and your soundbar. 5. **Tweak the TV settings:** This is the bit that sometimes trips people up. Go into your TV's audio settings. You'll need to tell it to output sound via HDMI ARC. The exact wording varies by TV brand, but look for something like "Audio Output," "Sound Output," "External Speakers," or "HDMI CEC." Make sure "HDMI CEC" (Consumer Electronics Control) is enabled – it's often called different things by different brands: "Anynet+" on Samsung, "Bravia Sync" on Sony, "SimpLink" on LG, "VIERA Link" on Panasonic. This clever bit of tech lets your TV control the soundbar, like turning it on and off with the TV and adjusting the volume with your TV remote. Then, select your soundbar as the audio output. You might also need to set the Digital Sound Out format to "Auto" or "Passthrough" to ensure you get formats like Dolby Digital and DTS. Honestly, nine times out of ten, once you've done that, you're sorted. Your TV remote should now control the soundbar volume, and all the sound from your TV (whether it's from an external box, an app, or the built-in tuner) will come out of the soundbar. Brilliant. ## The Tried-and-True: Optical (Digital Audio) Okay, so what if your TV or soundbar doesn't have ARC/eARC? Or maybe you've got an older TV that doesn't play nice with CEC, and you don't want to faff about with separate remotes. That's where an optical cable (sometimes called TOSLINK or S/PDIF) comes in. It's a reliable backup plan and for years, it was the best way to connect digital audio. ### When to Use Optical * **Older TVs/Soundbars:** If neither your TV nor your soundbar has an HDMI ARC port. Some older soundbars might only have optical inputs. * **Simplicity:** It's pretty much plug-and-play once connected, though you won't get the fancy remote control integration of CEC. * **Sound Quality:** It still carries good quality digital audio, usually up to 5.1 surround sound (Dolby Digital or DTS). What it *can't* do is uncompressed multi-channel audio like Dolby TrueHD, DTS-HD Master Audio, or object-based formats like proper Dolby Atmos. If those mean a lot to you, you really need ARC/eARC. ### How to Hook It Up 1. **Find the port:** Look for a square-ish port with a little flap, often labelled "Optical Out," "Digital Audio Out," or "S/PDIF." You'll need an optical cable – they're quite thin, often black, and have square plugs with little plastic caps on the ends (remember to take those off before plugging them in!). 2. **Connect 'em up:** Plug one end into the TV's optical out, the other into the soundbar's optical in. 3. **Tweak the TV settings:** Just like with HDMI ARC, you'll need to tell your TV to send audio out via the optical port. Go into your TV's sound settings and select "Optical" or "Digital Audio Out" as the output. You might also need to set the format to "Dolby Digital" or "Bitstream" if it's currently set to "PCM," to ensure you get surround sound. One thing to note with optical: you usually can't control the soundbar's volume with your TV remote unless the soundbar has some clever IR learning function. You'll be using two remotes, or you'll need a universal remote. A minor annoyance for some, but for others, it's no big deal. ## The Last Resort (or Niche Case): Analogue (3.5mm or RCA) Right, now we're getting into the territory of older kit, or very basic soundbars. If you've got a really old TV or a really simple soundbar, you might only have analogue audio connections. These are the classic red and white RCA jacks, or the headphone-style 3.5mm jack. ### When to Use Analogue * **Very Old Gear:** When literally no other digital option (HDMI ARC or Optical) is available on either your TV or soundbar. * **Basic Stereo:** If your soundbar is purely stereo and doesn't handle any surround sound decoding, then analogue might be all you need, but you won't get surround sound information. ### The Downsides * **Quality:** Analogue is inherently more prone to interference and signal degradation than digital. You'll lose clarity and detail compared to optical or HDMI. * **No Surround Sound:** You'll only ever get stereo sound this way. Forget Dolby Digital, DTS, or Atmos. * **Volume Issues:** Often, you'll find you have to turn the TV volume almost all the way up to get a decent signal to the soundbar, and then control the actual listening volume on the soundbar itself. ### How to Hook It Up 1. **Find the ports:** Look for the red and white "Audio Out" RCA jacks on your TV, or a 3.5mm "Headphone Out" or "Audio Out" port. Your soundbar will have corresponding "Audio In" ports. 2. **Connect 'em up:** Use a 3.5mm stereo cable, or an RCA stereo cable (red to red, white to white). 3. **Tweak the TV settings:** You might need to tell your TV to output sound via its analogue audio out, or simply ensure its internal speakers are off. If using the headphone jack, plugging in a cable often automatically mutes the TV speakers. Honestly, if you're relying on analogue connections for a new soundbar, you might want to rethink things. It suggests either your TV or your soundbar is very old or very basic. You're probably not getting the soundbar's full potential. ## Wireless Connections: Bluetooth and Wi-Fi Some soundbars also offer wireless connection options. This is usually more for convenience than for primary TV audio, but it's worth a quick mention. ### Bluetooth Bluetooth is great for streaming music from your phone or tablet to your soundbar. It's convenient, but for TV audio, it's generally not recommended as the primary connection. Why? Latency. There can be a slight delay between the picture and the sound, which is incredibly annoying and throws off dialogue. Plus, Bluetooth audio is compressed, so you're not getting the best sound quality. Some TVs *can* send audio via Bluetooth, but I'd only use it if you have absolutely no other wired option and a lip-sync delay doesn't bother you. Most decent soundbars will have a wired option for TV audio for a reason. ### Wi-Fi / Multi-room Systems (e.g., Sonos, HEOS) Certain soundbars, like those from Sonos, Denon HEOS, or Bose, are designed to be part of a multi-room Wi-Fi audio system. While they connect to your TV via HDMI ARC/eARC, they use Wi-Fi for linking up with additional wireless surround speakers or subwoofers, and for streaming music from the internet. This is a brilliant feature for expanding your system, but the initial TV connection still generally relies on that good old HDMI cable for the best results. ## Comparison Table: How the Connections Stack Up | Feature | HDMI ARC/eARC | Optical (TOSLINK) | Analogue (RCA/3.5mm) | Bluetooth (TV Audio) | | :---------------- | :------------------------ | :-------------------------- | :-------------------------- | :------------------------ | | **Audio Quality** | Excellent (uncompressed, Atmos) | Good (compressed 5.1) | Basic (stereo, prone to noise) | Fair (compressed stereo) | | **Surround Sound**| Yes (Dolby Atmos, DTS:X, etc.) | Yes (Dolby Digital, DTS 5.1) | No (Stereo only) | No (Stereo only) | | **Control** | TV remote (CEC) | Soundbar remote (usually) | TV & Soundbar remotes | TV & Soundbar remotes | | **Complexity** | Low (once TV settings done) | Low | Very Low | Low (but can have delay) | | **Compatibility** | Modern TVs & Soundbars | Most TVs & Soundbars | Older TVs & Basic Soundbars | Some TVs & Soundbars | | **Lip-Sync Issues** | Rarely | Rarely | Sometimes | Often | ## Common Headaches and How to Sort 'Em Even with the right cables, things can sometimes go a bit wonky. I've seen it all. Here are a few common problems and my usual remedies. ### "No Sound!" * **Check the cable:** Is it securely plugged into both ends? Try unplugging and re-plugging. * **Correct ports:** Are you definitely using the ARC/eARC port on both the TV and soundbar? Is the optical cable in the "out" on the TV and "in" on the soundbar? * **TV settings:** Have you selected the correct audio output in your TV's menu (HDMI ARC, Optical, etc.)? Is "Digital Sound Out" set to "Auto" or "Passthrough" and not "PCM" if you're expecting surround sound? * **Soundbar input:** Is your soundbar set to the correct input? Most soundbars have an "Input" or "Source" button on the remote or the unit itself. Make sure it's on "HDMI ARC," "Optical," or whatever you've connected. * **Mute/Volume:** Is the soundbar muted? Is the volume turned up on both the TV and the soundbar? Sometimes TVs mute their internal speakers but don't send sound out if their volume is at zero. * **Power cycle:** Turn everything off at the wall for a minute, then back on. This often clears up software glitches. ### "The Sound Keeps Dropping Out!" * **Cable quality:** A cheap or damaged HDMI or optical cable can sometimes cause intermittent dropouts. Try swapping it for a different one. * **HDMI CEC issues:** Sometimes, different brands' CEC implementations don't play nicely together. Try turning CEC off on your TV and soundbar, then turning them back on one by one, seeing if it improves. If not, you might have to disable CEC entirely and control volume with the soundbar remote. * **Firmware update:** Check if there's a firmware update available for your TV or soundbar. Manufacturers often release updates to fix bugs and improve compatibility. ### "Lip-Sync Problems!" (Sound and Picture Don't Match) * **TV audio delay settings:** Many modern TVs and soundbars have an "Audio Delay" or "Lip Sync" adjustment in their settings menus. You can usually tweak this to get things perfectly aligned. Start by adjusting the TV's setting first, then the soundbar's if needed. * **HDMI ARC/eARC preferred:** If you're using Bluetooth, this is a common issue. Switch to HDMI ARC/eARC or Optical if at all possible. They are far less prone to delay. * **Processing modes:** Sometimes certain sound processing modes on either the TV or soundbar can introduce a slight delay. Try turning off any extra "enhancements" to see if it helps. ### "I Can't Control the Soundbar Volume with My TV Remote!" * **HDMI CEC enabled?:** For HDMI ARC/eARC, ensure HDMI CEC (Anynet+, Bravia Sync, SimpLink, etc.) is enabled on both your TV and soundbar. * **Correct TV output:** Make sure your TV's audio output is set to "HDMI ARC" and not "Internal Speakers" or "Optical" if you want CEC control. * **Soundbar learning function:** Some soundbars have a feature where they can "learn" your TV remote's volume commands. Check your soundbar's manual for this. * **Universal remote:** If all else fails, a good universal remote can often consolidate control for all your devices. ## Maximising Your Soundbar's Potential Once you've got it connected and making noise, there are a few other things you can do to get the most out of your soundbar. ### Placement is Key * **Front and Centre:** Always try to place your soundbar directly in front of your TV, centred, and as close to ear level as possible. Don't stick it in a cupboard or behind obstacles. Sound needs to breathe. * **Clear the way:** Make sure there's nothing blocking the drivers, especially if your soundbar has up-firing speakers for Atmos effects. These need a clear path to the ceiling. * **Wall mounting:** If your TV is wall-mounted, consider wall-mounting the soundbar directly below it. It looks tidier and keeps the sound image aligned with the picture. ### Tweak the Settings (on the soundbar itself) * **Sound Modes:** Most soundbars have different sound modes (Movie, Music, Voice, Night, etc.). Experiment! "Movie" mode often widens the soundstage, "Voice" boosts dialogue. "Night" mode can compress dynamics, handy for late-night viewing when you don't want to wake the neighbours. * **Bass/Treble:** Don't be afraid to adjust these to suit your room and your taste. Every room sounds different. If it sounds too boomy, turn the bass down a touch. If dialogue is a bit muffled, a slight tweak to the treble might help. * **Subwoofer Level:** If you've got a separate subwoofer, experiment with its volume level. You want to *feel* the bass, not *hear* it as a separate, thumping entity. Blend it in so it supports the soundbar, rather than overpowering it. Often, a good starting point is to set the subwoofer so you can just barely tell where the bass is coming from. * **Room Calibration:** Some higher-end soundbars come with an automatic room calibration feature (like a microphone you place in your listening position). *Use it!* These systems analyse your room's acoustics and adjust the soundbar's output to optimise performance. It can make a huge difference. ### Consider the Source Material * **Streaming Quality:** If you're watching Netflix, check your subscription level. A higher-tier subscription usually gives you access to better audio streams (like Dolby Digital Plus or Atmos). You can't get brilliant sound from a poor source. * **Blu-ray/4K Blu-ray:** These discs often have the very best audio tracks, delivering uncompressed Dolby TrueHD or DTS-HD Master Audio. If your setup supports eARC, you'll hear the benefit. ## FAQ: Your Soundbar Connection Conundrums Answered ### Q: My TV has multiple HDMI ports, but only one is labelled ARC/eARC. Can I use any HDMI port? A: No, for the Audio Return Channel feature to work, you *must* use the HDMI port specifically labelled "ARC" or "eARC" on your TV. The other HDMI ports are purely inputs and won't send audio back to your soundbar. If you plug it into the wrong one, you won't get sound. ### Q: Do I need a special HDMI cable for ARC/eARC? A: Not usually. Any standard "high-speed HDMI cable with Ethernet" should work fine for ARC and even eARC over typical living room distances (up to 3-5 metres). Don't get caught up paying silly money for "audiophile" HDMI cables. If you're running a very long cable or want absolute future-proofing for 8K video, then a certified "Ultra High Speed HDMI" cable might be worth it, but for most soundbar connections, it's overkill for audio. ### Q: My soundbar has an HDMI *input* as well as an HDMI *output (ARC)*. What's that for? A: That HDMI input is for connecting another device *through* the soundbar to your TV. For example, you could plug your Blu-ray player into the soundbar's HDMI input, and then the soundbar's HDMI ARC output to the TV's HDMI ARC input. This can be handy if your TV has limited HDMI ports, or if the soundbar has more advanced audio decoding than your TV. The soundbar processes the audio, then passes the video to the TV. It's not essential, but a nice extra feature on some soundbars. ### Q: My TV remote controls the volume of the TV speakers, but not the soundbar. Why? A: This is usually down to the HDMI CEC (Consumer Electronics Control) feature not being correctly configured or enabled. First, ensure you're using the HDMI ARC/eARC connection. Then, go into your TV's sound settings and check that CEC is enabled (it has different names like Anynet+, Bravia Sync, SimpLink depending on your TV brand) and that the audio output is specifically set to your soundbar via HDMI ARC. Sometimes a simple power cycle of both devices can resolve it. If using an optical connection, you generally won't get TV remote volume control unless your soundbar has an IR learning function. ### Q: Why does my soundbar turn on and off with the TV sometimes, but not always? A: This is another common CEC quirk. It relies on both your TV and soundbar fully supporting and correctly implementing the CEC standard, and sometimes different brands don't talk to each other perfectly. Ensure CEC is enabled on both devices. A power cycle can sometimes fix temporary glitches. If it's consistently flaky, you might have to live with turning the soundbar on/off separately, or consider a universal remote. Sometimes, disabling one or two specific CEC functions (e.g., just leaving power sync on) can make it more reliable. ## Final Word Honestly, getting a soundbar connected isn't the dark art some people make it out to be. Nine times out of ten, it's a single HDMI cable, a quick poke around the TV settings, and you're done. I've seen countless people struggle, when all they needed was a bit of clear guidance. Don't let a bit of cable anxiety stop you from enjoying vastly better sound from your telly. It's one of the best upgrades you can make to your home entertainment system for a relatively modest outlay. Once you hear the difference, you'll wonder how you ever lived without it. So go on, get it plugged in, crank it up, and enjoy your films and music the way they were meant to be heard. You won't regret it, trust me.