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Sonos is a leading American audio technology company that is best known for pioneering wireless multi-room audio systems, which make it easy for listeners to stream music and other content throughout their homes. The company continues to innovate, creating wireless speakers, home theatre systems, headphones, architectural components, and integrated home audio solutions that revolutionise how people listen and connect to sound.

Even if you grew up listening to music through wired headphones, chances are you’ve since switched to a wireless pair. The number of adults who have adopted Bluetooth headphones or earbuds has essentially 

 in recent years, and it’s easy to see why. Most wireless headphones today offer a reliable connection and high-quality sound—all without the tangled, mangled cables of yesteryear.

But the technology that powers these headphones remains elusive to most. This may be a problem if you’re 

 and don’t know whether to prioritise ones that connect via WiFi, Bluetooth, or both. In this guide, we’ll outline the key differences between the two technologies to help you choose the best headphones for your listening needs.

Even with limited knowledge of electronics, understanding how 

 headphones work is straightforward enough. They transmit an electrical signal from an audio-playing device to the headphone’s speakers via a physical wire. By comparison, the technology behind wireless headphones is tougher to grasp, as there’s no physical cable and no obvious way of telling how the audio signal gets from the device to the headphone speakers.

The short answer is that wireless headphones use wireless technology to transmit audio signals. But we can’t simply leave it at that, because the specific technology isn’t always the same. Let’s look at how the two most common wireless technologies—

—work to connect your headphones to your music-playing device.

Bluetooth headphones: A one-to-one, short-range connection

The most common technology used to connect wireless headphones, like Sonos Ace, is 

, a short-range wireless protocol that’s ideal for helping devices communicate over short distances.

Bluetooth headphones create a direct short-range connection between the headphones and the audio-playing device. This connection is a ‘one-to-one’ radio signal, which means that Bluetooth headphones must be paired to one device at a time and can’t sync up with multiple devices simultaneously. It also means that a Bluetooth connection doesn’t require an internet network or router, which helps if you want to connect to your wireless headphones on the go.

One of the truly awesome things about Bluetooth technology is its portability. You don’t need to connect to the internet to achieve a stable connection via Bluetooth, so it has a lot more out-in-the-world appeal than WiFi. In fact, many people who own WiFi-enabled headphones still connect via Bluetooth when they’re on the move.

Range is a different matter. Bluetooth is a short-range technology by definition, and most consumer 

 max out at around 30 feet (10 metres). This may change as Bluetooth technology continues to improve.

WiFi headphones: A wireless internet connection

While most wireless headphones are compatible with Bluetooth, some models can also connect over 

. This may allow for higher-quality streaming and a smooth connection to smart home devices.

WiFi headphones connect to your device via a wireless internet network, like the one you use at home or at work. This comes with some advantages. WiFi generally has broader bandwidth than Bluetooth, which means it can transmit audio data in the amounts necessary to achieve 

 and you can also connect to multiple devices on the same network.

Person wearing and pointing to white Sonos Ace headphones

Person seated outside looking at a smart phone and wearing black Sonos Ace headphones

Wireless headphones generally need to be charged. The standard charging port on most wireless headphones these days is a USB-C, so it’s usually not difficult to find chargers that are compatible in a pinch.

Of course, it’s better not to be in a pinch. That’s why we’ve outfitted Sonos Ace with up to 30 hours of battery life with 

 enabled. And if you do run low on battery, you can plug it in and get up to three hours of playback in just three minutes of charge time.

Choose wireless headphones that sound great every time

Given the increasing popularity and prominence of wireless headphones, there’s a good chance you’ll be in the market for a new pair at some point. We’ve got you sorted on that front with comprehensive guides on 

 and how to compare the different types of headphone shapes and types (

If you’ve decided on over-ear headphones, there’s no better choice than 

. These masterfully tuned headphones immerse you in a one-of-a-kind sound experience, thanks to lossless streaming and 

 that tracks with the position of your head. It’s the kind of thing you simply have to hear to believe.

Person standing outside wearing white Sonos Ace headphones

How do Wireless and Bluetooth Headphones Work?

When setting up a sound system, whether it’s for a home cinema, music system or gaming rig, you might come across terms like ‘impedance’ and ‘ohms’. Understanding these is important when it comes to pairing 

 and amplifiers, ensuring that all the parts of your system work together harmoniously.

Speaker impedance, measured in ohms (Ω), determines how much electrical current a speaker draws from an 

. To visualise this, let’s use a classic water analogy:

Imagine electrical current as water flowing through a garden hose, and your audio system is your garden. Think of impedance as the nozzle on the hose, which controls how much water (current) flows through.

: Just like a hose with an open nozzle lets more water pass through with ease, a speaker with low impedance draws more electrical current from the amplifier. This allows the amplifier to send more power to the speaker. However, like a hose with a fully open valve could flood your garden, a low-impedance speaker can put extra strain on an amplifier that’s not designed to handle the load.

 Just like a nozzle restricts water flow, a high-impedance speaker draws less current from the amplifier. This can reduce strain on the amp, making it easier to drive. However, like some plants in your garden need more water than others, a high-impedance speaker may require an amplifier that can provide higher voltage to reach the same volume.

Understanding impedance isn’t just a theoretical exercise. It’s key to making sure your sound system components work perfectly together.

active (sometimes called powered) and passive

. Active speakers have built-in amps and manage impedance internally, perfect for hassle-free setups. Most Sonos speakers, including 

, in the form of a standalone amp or an AV receiver (sometimes called AVR), to function. Understanding how impedance works with passive speakers is crucial in determining which amplifier is best to drive them. For Sonos users, this comes into play when integrating passive speakers like our 

How does speaker impedance relate to sound quality?

Speaker impedance isn’t a reflection of a speaker’s quality, but it plays a role in sound quality by determining how efficiently that speaker can draw current from an amplifier. Low impedance allows more current to flow, potentially delivering louder sound, but it can strain the amplifier at high volumes. Speakers with higher impedance may produce less volume at a given power setting but place less strain on the amplifier.

Person sitting on a chair listening to music on Sonos Five and Sub 4

Is higher or lower speaker impedance better?

A higher speaker impedance isn’t inherently better or worse than a lower speaker impedance, but high and low speaker impedance impact your audio system differently:



High-impedance speakers draw less current, reducing the risk of system overload. They're perfect for long-lasting, safe operation in continuous use environments. However, higher-impedance speakers need higher voltage to achieve the same power output as lower-impedance speakers. If the amplifier doesn’t provide enough voltage, the speaker may not reach its full potential volume.



Low-impedance speakers draw more current, which can allow for greater power delivery if the amplifier is capable. This makes them well-suited for immersive film and music experiences. However, because they draw more current, they could potentially strain amplifiers that aren’t designed to handle the increased current and increase the risk of overheating, especially at higher volumes.

Each type has benefits and challenges, so your choice should depend on your specific audio needs and the capabilities of your equipment.

When does speaker impedance actually matter?

Speaker impedance comes into play when you are connecting components. You don’t need to worry about having a certain speaker impedance for a particular room or for a particular type of content. Speaker impedance matters when you are matching passive speakers and amps, which is usually most relevant in setups like 

. It ensures all your audio components work together smoothly, without issues like volume differences and sound quality loss.

For example when setting up a home cinema, making sure that all speakers have compatible impedance will help you experience more balanced surround sound. With multiple speakers in different rooms, you’ll hear uniform sound no matter where you are in the house.

With Sonos powered speakers and soundbars, you don’t have to worry about matching impedance manually. Setting up a 

 is simple. Just link Sonos devices across rooms using the Sonos app to enjoy great sound, everywhere.

Matching your amplifier to speaker impedance

Think of speaker impedance as a sort of dance between your speakers and 

. When they’re perfectly in sync, your music sounds clear and powerful.

Every speaker and amplifier has an impedance rating, measured in ohms. (These ratings are displayed on the back panel and can be found in the manual; common values are 8 ohms and 4 ohms.) If a speaker’s impedance is too low for its amplifier, the system might strain. If the impedance is too high, the speaker might sound weak because the amplifier may not be able to provide enough voltage to reach full volume.

For Sonos users, pairing the right amplifier with passive speakers is straightforward when using the 

. Providing 125 watts per channel at 8 ohms, Amp effortlessly powers our passive speakers, including 

 models, which all provide a nominal impedance of 8 ohms. It’s also versatile enough to power passive speakers of all types, from floor-standing to bookshelf speakers.

Sonos Amp enhances your setup with its ‘Optimise Sonos Speakers’ feature. This smart function detects the specific type of Sonos speakers connected and automatically adjusts sound tuning, enhancing clarity and bass response for a superior listening experience. This intelligent system not only ensures optimal audio performance but also incorporates a limiter for added protection, allowing you to safely and reliably power up to three pairs of Sonos Architectural speakers without manual adjustments.

Need some assistance getting your Sonos equipment up and running? Find an installer near you and take the first step toward designing your dream audio system.

Whether you opt for our all-in-one active speakers or passive systems, Sonos makes setup a breeze. Our

 come ready to play high-quality sound on their own, no AV receiver required. For passive setups, 

 integrate beautifully with your home’s aesthetic, both indoors and out, and are perfectly powered by the 

Understanding speaker impedance doesn’t just help you set up your system; it empowers you to get the most out of your listening by making informed choices about your audio equipment. Whether you’re outfitting a cosy den or a sprawling residence, Sonos brings all your spaces to life with sound.

The Beginner's Guide to Speaker Impedance and Ohms

Sometimes, watching TV calls for a more private listening experience. Maybe there's construction noise outside that only Active Noise Cancellation can drown out, or maybe your viewing partner has fallen asleep and you don't want to disturb them. In these moments, switching your TV audio to headphones lets you watch what you want in peace—and in total immersion.

 can sound every bit as rich as a traditional audio setup. And even if you already have a surround-sound system at home, there are plenty of reasons to periodically swap audio from your TV speakers to your headphones. In this guide, we'll explain how to connect headphones to your TV. There are a few ways to do it, but some of the most obvious options (using Bluetooth or a traditional audio jack, for example) may not be the best or even the simplest.

Can you use Bluetooth headphones to connect to your TV?

Most modern televisions are Bluetooth-compatible. You should be able to use your Bluetooth headphones with your TV if you own at least a mid-range model dating back to 2015 or later.

Each television model has its own configuration instructions, so if you’ve kept the user manual around, look in there for the specifics. If not, don’t worry—the same general walkthrough applies to most TVs. To connect headphones to your TV via Bluetooth:

Enable ‘pairing mode’ on your Bluetooth headphones

. You can usually do this by pressing and holding the power button, or by pressing a dedicated pairing button.

Navigate to your TV’s ‘Settings’ menu. 

When you’ve found the menu, look for a key phrase like ‘Bluetooth’, ‘Sound’, or ‘Connected Devices’ and click on it to open up the Bluetooth device settings.

Enable Bluetooth on your TV (if it isn't already on).

 If you’ve never used Bluetooth with your TV before, you must enable it. You can usually do this via a toggle on-off switch.

Look for an option like ‘Add Device’ or ‘Pair New Device’.

 When you click on this option, your device should show up in the list if it’s in ‘pairing mode’. Simply click on your device, and wait for pairing to complete.

Even if you can connect your headphones to your TV via Bluetooth, better options may be available. While Bluetooth has a lot going for it, it shines best when WiFi isn't readily available. And since WiFi isn't usually a problem in most homes, a 

 typically offers higher bandwidth, better sound quality, and a more extensive 

 in case you need to move around while keeping one eye on the TV.

White Sonos Ace tile on light grey background

Two people sitting on a couch watching sports on TV with Arc Ultra and one person wearing Sonos Ace Headphones

Can you use an audio jack to connect headphones to your TV?

The 3.5mm audio jack (also known as a headphone jack or aux port) has been the traditional way to connect headphones to TVs since the 1980s. While many newer TV models have eliminated this port in favour of wireless solutions, you can still find adapters for digital optical output or RCA ports if needed.

Though a wired connection offers some advantages—no charging, zero latency, and freedom from wireless interference—it comes with serious limitations. The cable length restricts your movement, and a standard 3.5mm connection may not support 

. For most people, a WiFi-powered headphone connection is a superior alternative to the wired audio jack of yore.

, the best and simplest way to connect your headphones to your TV audio is via the 

This WiFi-powered connection offers the best of all worlds: immersive surround sound quality, the range and portability of a wireless connection, and a simple and easy setup.

Setting up TV Audio Swap for the first time

 and connect it to your iOS or Android device. You must also enable WiFi on your Sonos home cinema speaker for it to work with TV Audio Swap. Once that’s done, follow these steps:

Navigate to the ‘Settings’ menu in the Sonos app and select your Sonos Ace in the ‘Headphones’ section.

Under ‘Home Cinema’, select ‘+ Add TV Audio Swap’.

Select the speaker you’d like to use, then follow the instructions to complete the setup.

Once you’ve set up TV Audio Swap, it’s easy to switch your audio source from your TV to Sonos Ace:

Make sure your TV is on and that your TV audio is playing through your home cinema speaker.

Swap TV audio by long-pressing the ‘Content Key’ on the right ear cup of Sonos Ace. You can also swap audio directly from the Sonos app by using the ‘Swap’ button on Sonos Ace’s info screen.

When to swap audio to Sonos Ace for a better listening experience

TV Audio Swap is the best way to optimise your sound experience to your viewing situation. For example, if you’re dealing with a lot of external noise, you can swap to Sonos Ace and benefit from 

. This can be an especially effective way to 

And while you may worry about a loss in sound quality when swapping audio from a premium soundbar like 

, Sonos Ace offers a singularly immersive experience for individual watchers. That’s thanks to 

, which creates a virtual soundstage that surrounds you in hyperrealistic sound from every direction. It even tracks your head dynamically, adapting the sound to keep you in the middle of every scene.

Sonos-quality sound, from your soundbar to your headphones

, it’s important to consider how your headphones connect to the media devices you use the most. An otherwise great pair of headphones may not be ideal if it can only connect to your TV via Bluetooth or an audio jack. For a truly seamless and top-quality sound experience, you’ll want headphones that can connect to your TV via WiFi at the push of a button.

 with a full range of audio experiences in mind—from listening on the go to watching a film in the privacy of your home. Wherever you take Sonos Ace, you’ll enjoy lossless audio streaming over Bluetooth and USB-C, plus connectivity with Sonos home cinema, Active Noise Cancellation, and up to 30 hours of battery life.

If you’re interested in headphones like you’ve never heard them before, get in touch with a Sonos expert by 

Person sitting on a couch wearing Sonos Ace watching TV with Arc Ultra

How to Connect Headphones to Your TV

If you’ve never given much thought to the individual components that make up your speakers, you may be confused when you hear the term ‘speaker driver’. You may also be even more confused when you hear that the speaker driver—not the speaker itself—is what reproduces the sound waves you hear when you listen to music. The ‘speaker’ is the name we use as shorthand for the entire system, which includes not only speaker drivers, but also the circuits that send sounds to the right places, the box that houses everything, and so on.

So, if a speaker driver isn’t a speaker, what is it exactly?

Speaker drivers are the components that actually vibrate to create sound waves—think of them as the engine of your speaker system. Most speakers contain multiple drivers of different sizes, with the largest ones (subwoofers) handling the low bass sounds and the smallest ones (tweeters) taking care of the higher-pitched frequencies

Why do these drivers come in so many different sizes? How many drivers are ‘enough’ for a 

? To answer these questions, we should start with why drivers exist in the first place.

The purpose of a speaker driver is to convert the electrical signals produced by your amplifier, headphones, or other music player into physical sound waves that can reach your ear. Without speaker drivers, there would be no sound coming out of your speaker—and no purpose for your sound system to exist at all.

 can seem hopelessly complex, speaker drivers produce sound through a simple series of cause-and-effect. When an electrical signal flows from your music player into the driver, it creates a magnetic field. This magnetic field causes the speaker driver to vibrate back and forth. This back-and-forth vibration creates the sound waves that reach your ears.

In a sense, a speaker driver is a kind of sonic translator. Without it, your music would simply be a series of electrical signals that don’t 

like anything. The driver’s job is first to interpret those signals, then to reproduce them as sound waves. It has several specialised components that work together to make this reproduction possible.

It may seem overly technical, but knowing the individual components of a speaker driver can help you visualise how it works. The main parts of a speaker driver include:

, a coiled wire that receives the electrical signal from the music player.

, which creates the magnetic forces that power the driver’s movement.

, a large cone or dome that moves back and forth to create sound waves.

, which surrounds the driver and keeps the voice coil and diaphragm in the correct positions for producing sound.

Hand using touch controls on a white Era 100

Person lounging on a chair listening to Sonos Five with Sonos Sub 4

High and low-pitched sounds are different because they are produced by sound waves of different lengths and frequencies. Unfortunately, there's no single driver that can produce the full range of sound waves without distortion, as a driver's shape and physical properties make it more or less capable of reproducing specific frequency ranges, such as low or high sounds.

Different types of speaker drivers exist to handle different sounds, with their capabilities determined mainly by their shape and size. Smaller, lighter drivers can vibrate quickly to reproduce high-frequency sounds, while larger drivers are needed for low frequencies. The names of these different driver types helpfully correspond to the types of sounds they make:

 are small, usually dome-shaped drivers that reproduce high-frequency sounds (like birds chirping) by vibrating rapidly. Their shape allows them to spread these frequencies evenly across a room, though specialised designs like directional horns can create different spatial effects.

Mid-range drivers are cone-shaped speakers that bridge the gap between low and high frequencies. Though they can't handle extreme frequencies, they're considered crucial because they reproduce the sounds humans are most sensitive to, including human voices and instruments like the guitar and piano.

Woofers are the biggest speaker drivers in an audio system. If you crave 

 is your ticket to paradise. These subwoofers often come in their own, separate enclosures, which are roomy enough to properly support and enhance the (physically very long) bass sound waves that a woofer emits.

As a general rule, the more drivers in a speaker, the more capable it is of faithfully producing sounds across a wide range of frequencies. Additional drivers can also contribute to a 

, as different drivers may be positioned to fire sound in different directions, thereby filling the room with immersive sound.

 has all the drivers you need. It features two angled tweeters to create a crisp and accurate high frequency response and 

, and one midwoofer to handle playback of mid-range vocal frequencies and deep bass.

If a truly immersive spatial audio experience is what you’re after, 

 may be a better option. This premium speaker’s design leaves room for four tweeters to cover high and mid-range frequencies—including a forward-firing mid tweeter, two side-firing mid tweeters, and an upward-firing tweeter to reflect sound off the ceiling and produce a 

. It also has two angled woofers for balanced low-end output.

You can combine Era 300 with a standalone subwoofer like 

 and a soundbar that features even more drivers, all of which contribute to the overall sense of clarity and immersion. In the case of a premium soundbar like 

—with its seven tweeters, six midwoofers, and four-motor, dual-membrane woofer—a high number of drivers firing sound in different directions enables innovative spatial audio technologies such as 

Speaker drivers come in all sizes and a number of different shapes that help produce sounds across a wide range of frequencies.

A single speaker may house just one driver if it’s part of a multi-speaker system with various specialised components. More versatile speakers, like Era 100 and Era 300, will likely feature several drivers that work together to reproduce and blend different aspects of a song’s sonic profile.

Just remember: Drivers aren’t only responsible for the range of frequencies a speaker can produce, but also for the immersive quality of 

. If you’re interested in a speaker that brings you deeper into your music, get in touch with a Sonos expert by 

What is a Speaker Driver?

Does something sound ‘off’ with your speakers or headphones? Do the stringed instruments sound like clinking silverware, or is the bass so overpowering that it feels like you’re listening to music underwater? If so, the equipment itself may not be to blame. You may be dealing with an equalisation issue — one that’s easily corrected by adjusting the loudness of the specific frequencies in your sound’s source signal.

It can help to think of equalisation, or EQ, as a kind of volume control, only instead of adjusting the overall loudness of your music, EQ lets you tweak specific frequencies independently. This can be a powerful tool when you want to correct problems like muddiness or harshness, but EQ can also be used in more creative ways, allowing you to shape the perfect blend of lows, mids, and highs for your sonic preferences.

If you’ve ever come across an ‘EQ’ or ‘Equalisation’ setting in your various audio apps, you may have felt overwhelmed by all the settings and sliders. The good news is that it’s actually pretty simple. With some basic knowledge about frequency ranges and a sense of what sounds good to 

, you can start using EQ to improve your listening experience.

Equalisation (EQ) is a tool that lets you adjust the volume of specific frequency ranges within audio. It's like having separate volume knobs for the deep bass, mid-range vocals and instruments, and high-pitched sounds that blend together to create an audio track.

So, why use EQ? It’s a good question, especially when you consider that most audio tracks have already been EQ'd multiple times before they reach your ears — at the mixing and mastering stages of recording, but also when they’re converted to 

. You may simply prefer your music with more pronounced bass, or with crisper mids and highs. But there are a few other reasons to tweak EQ as a listener.

One common reason is to accommodate different listening environments. The acoustic features of a room — its space, furnishings, reflections off surrounding walls, even the materials in its walls — can affect how you hear different frequencies of sound (This is why Sonos lets you 

tune your speakers to your room with Trueplay

). If your music tends to sound muddy or harsh in certain listening environments, EQ can help clean this up. Another reason to tweak EQ is to optimise for different activities or media types. Listening to music during a workout? You may want to boost the bass for a more high-energy experience. Having trouble 

 despite its relatively loud volume? Try boosting the middle frequencies around 1–3 kilohertz, which can make voices ring out clearer. The bottom line is that different situations may benefit from different EQ settings

Person placing a record on a turntable next to a white Era 300

Black Era 100 next to a turntable on a console

You really don’t need to be an audio expert to adjust EQ. Most apps and streaming services these days offer an EQ in their playback settings menu under sections like ‘playback’, ‘content settings’ or ‘audio settings’.

These EQs typically come with simple sliders or buttons you can experiment with to tweak the character of your sound. Many apps provide simple presets with names like ‘bass booster’ or ‘treble reducer’ — simply toggle these on and see if they’re to your liking.

Popular streaming services like Spotify and Apple Music tend to offer genre-specific presets as well, so you can play around with ‘jazz’, ‘rock’, or ‘classical’ settings tailored to the music you listen to most. Just beware that these presets aren’t always perfectly labelled, and you may end up preferring the ‘classical’ setting for rap or heavy metal.

We suggest testing out different settings on a track you already know well, as you’ll be more in tune with how the track should sound to your ears.

Of course, there’s a problem with adjusting EQ within an app or streaming service: Your saved settings are limited to that app or service. That’s why it’s better to adjust EQ on a system level, so that your music sounds great across all of the platforms you may use.

. Here’s an overview of what each setting does:

 Adjusts the lower-frequency sounds, such as bass, or a kick drum.

 Adjusts the higher frequency sounds, such as guitar or vocals.

 Adjusts the volume level on the left or right audio channel. This
option will only be available for rooms that can output stereo sound.

How do Wireless and Bluetooth Headphones Work?

The Beginner's Guide to Speaker Impedance and Ohms

How to Connect Headphones to Your TV

What is a Speaker Driver?

What is Equalisation (EQ) for Music and Audio?

The Beginner’s Guide to In-Wall Speakers

The Beginner’s Guide to In-Ceiling Speakers

Why Buy Refurbished Sonos Products?

Speakers vs. Soundbars: Which Is Best for You?

Sonos Pro and Era 100 Pro: An Integrated Sound Solution for Commercial Spaces

What Are Height Channels for Speakers and Home Cinema?

Introducing Arc Ultra - Our Most Innovative Soundbar Yet

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