Sonos Era 100 vs Era 100 SL: What's The Difference?
At first glance, the Sonos Era 100 and the Sonos Era 100 SL look completely identical. Same design, same dimensions, same acoustic architecture. Same sound. But the SL costs £30 less. So what's actually different and which one should you buy?
The honest answer: it depends entirely on how you plan to use it. For some buyers, the SL is the smarter purchase without question. For others, the extra £30 for the standard Era 100 is worth it. This guide walks you through every difference so you can make the right call for your Sonos setup.
Jump straight to our recommendations:
Sonos Era 100 vs Era 100 SL: The Quick Answer
- Buy the Sonos Era 100 SL if you don't use voice control, you're adding rear speakers to a Sonos soundbar, or you're building a stereo pair and want to save £30 to £60 without losing any sound quality.
- Buy the standard Sonos Era 100 if you use voice control regularly, you're an Android user who wants Quick Tune Trueplay, or you want hands-free control without relying on a paired device.
Still unsure? Keep reading. The differences are fewer than you might expect, and the right answer usually comes down to one or two things about how you actually listen.
What's Actually Different Between the Era 100 and Era 100 SL?
There are only three real differences between these two speakers. Everything else is identical.
1. Microphones and Voice Control
This is the headline difference and the entire reason the SL exists at a lower price.
The "SL" stands for Speechless. The Era 100 SL has no built-in microphones, which means no hands-free voice control. You can't ask Sonos Voice Control or Amazon Alexa to play a track, skip a song, or adjust the volume. Everything goes through the Sonos app, the touch controls on the speaker, or Bluetooth.
The standard Era 100 gives you full voice assistant support: Sonos Voice Control, Amazon Alexa, and Apple's Siri via AirPlay 2.
A lot of people buy Sonos speakers and rarely, if ever, use voice control. If that's you, you're not giving anything up here. You're simply not paying for a feature you wouldn't use. Some buyers also prefer having no microphones in their speakers for privacy reasons. For those people, the SL is the better product, not a compromise.
2. Trueplay Room Tuning: The Catch for Android Users
This is the difference that gets overlooked most often and it matters more depending on which phone you use.
Trueplay is Sonos' room tuning feature. It optimises the speaker's sound for your specific space. Because the Era 100 SL has no built-in microphones, it can't run Quick Tune Trueplay. That's the version that uses the speaker's own mics to tune itself automatically. Quick Tune works on both Android and iOS with the standard Era 100.
For iOS users, this isn't a dealbreaker. You can still run Trueplay using the microphone in your iPhone or iPad. It's a slightly longer process but works well and produces a noticeable improvement to the sound.
For Android users, Trueplay won't be available on a standalone Era 100 SL at all. There's no mic in the speaker and no iOS device to step in. So, if room tuning matters to you and you're on Android, that's a real limitation.
One workaround worth knowing: if the Era 100 SL sits in a system alongside at least one mic-enabled Sonos device (a standard Era 100, a Beam, an Arc Ultra), Quick Tune will optimise the whole system including the SL. The issue only really applies if the SL is your only speaker or is running with other mic-free devices.
3. Price
The Era 100 SL is £169. The standard Era 100 is £199. That's £30 per speaker, or £60 if you're buying a pair.
For a single speaker purchase, £30 is noticeable but not dramatic. For a stereo pair or a set of home cinema rear speakers, £60 is a more substantial saving, especially when you're already spending on a soundbar and other kit.
What's Completely Identical
This section matters as much as the differences above. The main concern buyers have about the SL is that Sonos has cut corners on performance to hit the lower price. They haven't.
The Era 100 SL has exactly the same acoustic architecture as the standard Era 100:
- Two angled tweeters for genuine stereo separation
- The same mid-woofer for deep, punchy bass
- Three Class-D amplifiers
- Custom waveguides for a wide, room-filling soundstage
All the core Sonos features are also unchanged: WiFi 6 streaming, Bluetooth 5.0, AirPlay 2, multi-room audio via the Sonos app, and the USB-C line-in port for connecting a turntable. The design is the same too: same form factor, same touch controls, same indented volume slider, available in black and white.
For the full picture on how the Era 100 sounds in real-world testing, our Sonos Era 100 review covers that in depth. Everything in that review applies equally to the SL.
Sonos Era 100 vs Sonos Era 100 SL: Head-to-Head
| Sonos Era 100 | Sonos Era 100 SL | |
|---|---|---|
| Price (RRP) | £199 | £169 |
| Built-in Microphones | ✓ | ✗ |
| Voice Control | Sonos Voice, Alexa, Siri | ✗ |
| Trueplay (iOS) | Quick Tune + Advanced | Advanced only (via iPhone/iPad) |
| Trueplay (Android) | Quick Tune ✓ | ✗ |
| Sound Quality | ★★★★★ | ★★★★★ |
| WiFi 6 / Bluetooth 5.0 | ✓ | ✓ |
| AirPlay 2 | ✓ | ✓ |
| USB-C Line-In | ✓ | ✓ |
| Multi-Room Audio | ✓ | ✓ |
| Available Colours | Black, White | Black, White |
Who Should Buy the Era 100 SL?
"I'm adding rear speakers to my Sonos soundbar"
This is the clearest case for the Era 100 SL. If you have a Sonos Beam Gen 2, Arc, or Arc Ultra, your soundbar already has built-in microphones and handles voice control for the room. Paying extra for mics in the rear speakers serves no purpose in a home cinema setup. A pair of Era 100 SLs gives you the same surround sound performance as a pair of standard Era 100s for £60 less. We'd call this a no-brainer.
Building a full home cinema setup? Browse our Sonos home cinema bundles >>
Read More: Sonos Arc Ultra vs Beam (Gen 2) vs Ray: Best Sonos Soundbar?
"I want a stereo pair for music listening"
Two Era 100 SLs paired together give you the same wide, detailed stereo soundstage as a pair of standard Era 100s. If voice control isn't part of how you listen to music, you're saving £60 with no acoustic trade-off at all.
There's also a smart middle-ground option: pair one standard Era 100 with one Era 100 SL. You get full stereo performance, voice control in the room via the standard model, and save £30 on the pair versus buying two standard Era 100s. Good for anyone who occasionally uses voice control but doesn't need it on both speakers.
"I want to connect a turntable"
The Era 100 SL is the most affordable way to connect a turntable to Sonos. The reduced cost of the SL brings the entry price right down. Connect a line-in adapter and you can stream records to any speaker in your Sonos system, not just the room the turntable sits in. For vinyl listeners with no interest in voice control, it's a strong option.
"I don't use voice control"
If you control your music through the Sonos app or by tapping the speaker, the SL saves you £30 with nothing lost. That's really all there is to it.
| Worth a quick check before you commit: if you're on Android, revisit the Trueplay section above. It won't affect most buyers, but it's the one catch we'd want you to know about. |
"I'd rather not have microphones in my home"
No microphones means no always-on listening. For buyers who prefer to keep mics out of their speakers, the SL is the obvious choice and it costs less than the standard model too.
Who Should Stick With the Standard Era 100?
"I use voice control regularly"
If asking Alexa or Sonos Voice Control to play music, skip tracks, or set timers is part of your daily routine, buy the standard Era 100. The SL simply can't do this.
"I'm an Android user who wants Trueplay"
This is the most important practical limitation of the SL for a significant chunk of buyers. If you're on Android and want Quick Tune Trueplay to optimise the speaker for your room, you need the standard Era 100. There's no workaround unless you have a separate mic-enabled Sonos device in the same system.
"I'm buying as a gift and I don't know the recipient's setup"
If you're not sure whether someone uses voice control or what phone they're on, the standard Era 100 is the safer buy. It covers every situation.
"This will be my only Sonos speaker"
If you're on Android and this is a standalone purchase with no other Sonos devices, the lack of Trueplay has more impact than it would in a larger setup. The standard Era 100 gives you more flexibility from day one.
Sonos Era 100 vs Era 100 SL: Our Verdict
The Sonos Era 100 SL is not a lesser version of the Era 100. It's a more focused one. Sonos has given you the option to pay for the features you'll actually use, and for a large number of buyers, especially those adding rear speakers to a soundbar, building a stereo pair, or never using voice control, the SL is the smarter purchase.
The standard Era 100 is still the right call if voice control or Android Trueplay are part of how you use your speakers day to day. But if neither applies to you, there's no good reason to spend the extra £30.
| If you're open to spending more and want something genuinely special for music listening, the Sonos Era 300 is worth a look. It adds Dolby Atmos and spatial audio to the mix, which makes a real difference on the right tracks. It's a bigger jump in price but a bigger jump in experience too. |
At Smart Home Sounds, all Sonos speakers come with a FREE 6-year extended warranty, our 30-day Listen Better Promise, and free next-day delivery. For a personal recommendation on your setup, our team is available via live chat, phone, or email.
Shop Sonos Era 100 SL | Shop Sonos Era 100 | View All Sonos Speakers
Want more detail on the SL on its own terms? Read our full Sonos Era 100 SL review.
Sonos Era 100 SL FAQs:
Q. Does the Sonos Era 100 SL sound as good as the Era 100?
A. Yes. The Era 100 SL uses identical internal components: same tweeters, woofer, amplifiers, and waveguides as the standard Era 100. The sound is indistinguishable between the two.
Q. What does SL stand for on the Sonos Era 100 SL?
A. SL stands for Speechless, reflecting the absence of built-in microphones and voice control.
Q. Can Android users use Trueplay on the Era 100 SL?
A. Not on a standalone Era 100 SL. With no built-in microphones, Quick Tune Trueplay is unavailable. iOS users can still run Advanced Trueplay using an iPhone or iPad. Android users can access Trueplay if the SL is part of a system that also includes a mic-enabled Sonos device, such as a soundbar or standard Era 100.
Q. Can you connect a turntable to the Sonos Era 100 SL?
A. Yes. The Era 100 SL has a USB-C line-in port and works with the Sonos Line-In Adapter and Sonos Combo Adapter. Once connected, you can stream audio from your turntable to any speaker in your Sonos system.
Q. Can you pair an Era 100 SL with a standard Era 100?
A. Yes. The two can be paired as a stereo pair. The standard Era 100 in the pair handles voice control for the room, and Quick Tune Trueplay will optimise both speakers. A useful option for buyers who want to save money without losing voice assistant support entirely.
Q. Is the Era 100 SL compatible with all Sonos soundbars?
A. Yes. The Era 100 SL works as a rear surround speaker with the Sonos Arc Ultra, Sonos Arc, Sonos Beam Gen 2, and Sonos Ray via the Sonos S2 app.
Q. Is the Era 100 SL worth it?
A. For buyers who don't use voice control, yes. You get the full Era 100 sound at a £30 saving per speaker. For Android users who want Trueplay on a standalone speaker, or regular voice control users, the standard Era 100 is the better choice.
Planning a Sonos-based multi-room system and want guidance on the right approach? We can help.
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Other Useful Sonos Content:
Blog: Complete Beginner's Guide To Sonos
Blog: Sonos Era 100 vs. Sonos Era 300: Which Speaker Is Best?
