Sonos Arc Ultra soundbar + Sub 4 subwoofer + Era 100 Speakers (Pair)
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AI Verdict
This premium Sonos system delivers immersive Dolby Atmos with a dedicated subwoofer and surrounds, ideal for home theater enthusiasts prioritizing spatial audio.
This system provides a comprehensive Dolby Atmos experience with a powerful Sub 4 and dedicated Era 100 surrounds, delivering an "Atmos bubble" for immersive audio. Its wireless Sub 4 and guided setup make it accessible for users wanting a premium home theater without complex wiring.
If you want physical height and side channels from your surrounds, look for systems that include Era 300 speakers instead of Era 100s.
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Pros
- The Arc Ultra's lateral and overhead channels create an all-encompassing spatial audio soundstage for Dolby Atmos.
- Sub 4 handles the lowest frequencies, allowing the Arc Ultra and Era 100s to focus on midrange and high frequencies for clearer sound.
- The Sub 4 connects wirelessly over WiFi, enabling flexible placement anywhere in the room, even under a sofa [cite: Feature Highlights, 7].
- Trueplay tuning optimizes the EQ for your room's unique acoustics using an iOS device's microphones.
- Vocals and the center channel sound clearer and more detailed compared to the previous Sonos Arc.
- Setup is guided by the Sonos app, including syncing with your TV remote for streamlined control.
Cons
- Trueplay tuning requires an iOS device; Android users cannot utilize their phone's microphone for calibration.
- The Arc Ultra lacks HDMI passthrough, occupying your TV's single eARC port.
- There is no optical audio input, necessitating an optical-to-HDMI adapter for TVs without ARC or eARC.
- Era 100s, when used as surrounds, virtualize height and side channels, unlike Era 300s which have physical drivers for these effects.
- The powerful bass from the Sub 4 can be overwhelming, potentially causing issues with neighbors in apartment settings.
Dimension Scores
Users report clearer, more detailed vocals and center channel sound, and a significant step up in overall sound compared to the previous Arc, creating an 'Atmos bubble'.
The Sub 4 delivers 'pulse-pounding bass' and some users had to turn the bass down to prevent their house from shaking, indicating substantial low-frequency output.
It offers WiFi for streaming and wireless subwoofer connection, plus HDMI eARC, but lacks HDMI passthrough and optical input, requiring adapters for some setups.
The wireless Sub 4 allows flexible placement, and the Arc Ultra is slightly wider but less deep than the original Arc, suggesting a refined design [cite: Feature Highlights, 9].
Best For
- Creating a dedicated home theater experience with precise spatial audio.
- Users already invested in or planning to build a Sonos multi-room audio ecosystem.
- Rooms where wireless subwoofer placement flexibility is a priority.
- Individuals prioritizing clear dialogue and powerful, felt bass in movies and music.
Not Recommended For
- Apartment dwellers highly concerned about bass disturbing neighbors.
- Users without an iOS device who want the most precise Trueplay calibration.
- Those seeking a budget-friendly home audio solution under $600.
- Users with older TVs lacking eARC/ARC who prefer not to purchase an adapter.
Watch Out For
- Trueplay calibration can be finicky, with one user reporting needing to delete and reinstall the app on an iPhone 14 Pro for it to work.
- The Arc Ultra lacks HDMI passthrough, meaning it will occupy your TV's single eARC port.
- Without an optical input, TVs not supporting ARC or eARC will require an optical-to-HDMI adapter.
- Some users experienced their Sony TV occasionally forgetting the Arc Ultra connection, switching back to internal speakers.
- The Era 100s, when used as surrounds, virtualize Dolby Atmos height and side channels rather than having dedicated drivers like the Era 300s.
Full Specifications
| ASIN | B0F93F341Y |
| Brand | Sonos |
| Color | White |
| Style | Soundbar + Sub 4 subwoofer + Era 100 Speakers (Pair) |
What Buyers Say
Many users upgrading from previous Sonos Arc systems found the Arc Ultra to be a significant improvement, particularly in voice clarity and overall sound detail. The system creates a convincing 'Atmos bubble,' making sound feel like it's coming from all directions. The Sub 4 is noted for its powerful bass, with some users needing to adjust it down to avoid excessive vibration. While setup is generally straightforward, some initial Trueplay calibration issues were reported, requiring app reinstallation.
“OMG, this thing ROCKS! I had to turn the bass down, like, seriously, my whole apartment was shaking, but movies sound INSANE now, totally worth it!”
Common Praise
- Vocals and the center channel sound clearer and more detailed.
- Creates an immersive 'Atmos bubble' with sound coming from everywhere.
- Sub 4 delivers powerful, 'pulse-pounding bass' that can be felt.
- The system integrates well, making it difficult to discern individual speaker sound sources.
- Setup is quick and easy, guided by the Sonos app.
- Height channels on the Arc Ultra function effectively, unlike the old Arc.
Common Complaints
- Trueplay calibration can be problematic, sometimes requiring app reinstallation on iOS devices.
- The Arc Ultra lacks HDMI passthrough, occupying the TV's eARC port.
- No optical input, necessitating an optical-to-HDMI adapter for older TVs.
- Bass can be overwhelming, potentially causing issues with neighbors in apartments.
- Music playback, while deeper and louder, may lack the stereo imaging accuracy of dedicated stereo setups.
- Some users experienced occasional disconnections or the TV forgetting the soundbar connection.
Ownership Tips
- Trueplay tuning is an iOS-only feature for microphone-based calibration; Android users get a less precise calibration.
- The Arc Ultra is slightly wider but less deep than the original Arc, which might affect existing wall mounts.
- The system can occasionally lose connection with some TVs, requiring manual re-selection of the audio output.
- While the Sub 4 is wireless, its powerful bass output might require careful tuning in shared living spaces to avoid disturbing others.
- Adding Era 100s as fronts using SonosSequencr can further enhance focus, depth, and width, improving speech clarity.
Frequently Asked Questions
Does this system support Dolby Atmos?
Yes, the Arc Ultra features lateral and overhead channels for an all-encompassing spatial audio soundstage, delivering a Dolby Atmos experience.
Is the subwoofer wireless?
Yes, the Sub 4 connects to the soundbar over WiFi, allowing flexible placement anywhere in the room [cite: Feature Highlights, 7].
Do I need an iPhone for Trueplay tuning?
Trueplay tuning uses the microphones in your iOS device to optimize the EQ for your room's acoustics; Android users cannot use their phone's microphone for this process.
Can I connect older TVs to this system?
The Arc Ultra has an HDMI eARC port but no optical connection; older TVs without ARC or eARC will require an optical-to-HDMI adapter.
How easy is the setup?
Setup involves plugging in the power, connecting to WiFi via the Sonos app, and following in-app guidance to sync with your TV remote, taking about 25-30 minutes for full calibration.
Can I stream music to this system?
Yes, you can stream music, podcasts, and audiobooks from various services over WiFi using the Sonos app or Apple AirPlay 2 [cite: Feature Highlights].
Are the Era 100s good as surrounds for Dolby Atmos?
The Era 100s virtualize the height and side channels for Dolby Atmos, while the Era 300s have physical dedicated speakers for these channels, offering a more distinct effect.
Buying Guide
When considering a premium sound system like this, you're investing in an immersive audio experience, not just louder sound. The combination of a soundbar, subwoofer, and dedicated rear speakers aims to create a 'bubble' of sound around you, making movies and music feel more engaging. Pay attention to how the system connects to your TV and whether you have the right device for calibration, as these can impact your initial setup and ongoing enjoyment.
Dolby Atmos
This isn't just about sound coming from the front; it adds height and side channels, making it sound like rain is falling from above or a car is driving past you, creating a more three-dimensional audio experience.
Wireless Subwoofer (WiFi)
This means the subwoofer doesn't need to be physically connected to the soundbar with a cable, giving you flexibility to place it almost anywhere in your room for optimal bass without visible wires.
Trueplay Tuning (iOS device)
Think of this as a personalized sound engineer for your room. Using your iPhone or iPad's microphone, the system listens to how sound bounces off your walls and furniture, then adjusts itself to sound its best in your specific space.
HDMI eARC
This is a special HDMI port on your TV and soundbar that allows for higher bandwidth audio, including uncompressed surround sound formats like Dolby Atmos, ensuring the best possible sound quality from your TV to the soundbar.
Alternatives
If this system is too much for your space or budget, look for soundbars with integrated subwoofers and virtual surround sound capabilities, or consider a system with smaller, less powerful rear speakers. If you want more distinct height and side effects from your surrounds, search for systems that include speakers with dedicated upward and side-firing drivers.
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