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Sonos Sub Gen3 Black
SUBG3AU1BLK
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Product Overview
Key Features
- 125 Watt output power for deep bass
- THD+N<0.009%, 20 Hz-20 kHz playback format
- WiFi 802.11a/b/g/n/ac 2.4 or 5 GHz connectivity
Key Specifications
- Brand:
- Sonos
- Model Number:
- SUBG3AU1BLK
- Total Output:
- 125W
- Wireless Connections:
- WiFi 802.11a/b/g/n/ac 2.4 or 5 GHz
Media Players
- Playback Formats:
- THD+N<0.009%, 20 Hz-20 kHz
Connections
- Wired Connections:
- AC power (mains) input
General Information
- Type:
- Subwoofer
- Colour:
- Black
- Family:
- Sub
- Additional Features:
- Pure bass, no buzz, wireless subwoofer for deep bass
- What's In The Box:
- Sonos Sub Gen3 Black, included accessories - Sonos sub, Power cable, QuickStart guide, Warranty Information
Warranty
- Manufacturer's Warranty:
- 1 Year
Media Players
- Playback Formats:
- THD+N<0.009%, 20 Hz-20 kHz
General Information
- Type:
- Subwoofer
- Colour:
- Black
- Family:
- Sub
- Additional Features:
- Pure bass, no buzz, wireless subwoofer for deep bass
- What's In The Box:
- Sonos Sub Gen3 Black, included accessories - Sonos sub, Power cable, QuickStart guide, Warranty Information
Product Dimensions
- Product Height (mm):
- 389
- Product Width (mm):
- 402
- Product Depth (mm):
- 158
- Product Weight (kg):
- 16
Box Dimensions
- Box Height (mm):
- 505
- Box Width (mm):
- 480
- Box Depth (mm):
- 225
- Box Weight (kg):
- 17
Product Reviews of Sonos Sub Gen3 Black
Overall Rating Snapshot
4.9 out of 5 stars from 82 reviews
93% of users recommend this product
What customers say, summarised by AI
- Deep, powerful bass transforms home audio for music and movies.
- Complements Sonos Arc and Beam, enhancing overall sound clarity.
- Seamless wireless setup via the Sonos app, though app can be fiddly.
- Expensive but high quality; many feel it’s worth the investment.
- Design is sleek, stylish, and can be placed flexibly in the room.
- Adds cinematic impact, though bass level and placement may require tuning.
Pros
Quality (10)
Easy (9)
Strong Bass
Sonos Sub has deep bass which gives you cinematic experience at home.
Md Shohag Khan
Confirmed purchase 11 June 2026
Published on 7 July 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Anonymous
Confirmed purchase 12 February 2026
Published on 18 March 2026
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Anonymous
Confirmed purchase 12 February 2026
Published on 12 March 2026
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Very nice
Love it
Anonymous
Confirmed purchase 21 January 2026
Published on 23 February 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Love it
Best system for music with our tv .
Shivani Gupta
Confirmed purchase 21 January 2026
Published on 17 February 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Great sound
Sonos is some good gear! The app needs work, it’s trying to be something it’s not, but otherwise, great product
Steven
Confirmed purchase 4 January 2026
Published on 28 January 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Great quality
Awesome sound quality
Rumel
Confirmed purchase 8 February 2025
Published on 14 October 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Awesome sound quality
Best woofer. This is my second purchase
Rumel
Confirmed purchase 23 August 2025
Published on 7 October 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Anonymous
Confirmed purchase 25 July 2025
Published on 20 August 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
What i needed
This completed mu lounge room sound along side the Sonos Ark.
Mike
Confirmed purchase 20 July 2025
Published on 12 August 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
You've viewed 10 of 82 reviews
ABOUT THE GOOD GUYS REVIEWS
The Good Guys product reviews are collected from verified purchasers who may have received an incentive in return for providing an authentic review.
The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.
At a glance
The Sonos Sub Gen3 Black is a premium wireless subwoofer made to bring deeper, more impactful bass to compatible Sonos soundbars and speakers. It suits home theatre fans and music listeners who want fuller low-end without messy cabling. Key strengths are its clean bass performance, easy ecosystem integration and elegant design. One limitation is that it works best only within the Sonos ecosystem.
What it’s great for
- Home Cinema Upgrades
- Bass Enhancement
- Wireless Audio Setups
- Music Listening
- Premium Lounge Room Entertainment
Where it works best
- Living Room
- Media Room
- Open-Plan Lounge
- Apartment Entertainment Area
- Family Room
Who it’s for
- Home Theatre Enthusiast
- Sonos User
- Music Lover
- Premium Audio Buyer
- Design-Conscious Household
Things to consider
It is best suited to buyers already using compatible Sonos speakers, as it is less flexible than specialist subwoofers designed for broader AV receiver or third-party system compatibility.
Cinematic experience score
9/10 - Excellent low-end impact for films and streaming content when paired with a compatible Sonos soundbar.
Room size suitability
Best for small to large living rooms and media rooms where deeper bass can noticeably lift TV and music performance.
Music vs movie performance
Excellent for both, with a slight edge toward movies thanks to stronger cinematic rumble and effect reinforcement.
Ease of setup rating
9/10 - Very easy to add within the Sonos app, especially for existing Sonos households.
Multi-room flexibility
Strong within the Sonos ecosystem; ideal for households already using Sonos speakers across multiple rooms.
Key benefits
- Wireless Integration: Adds powerful bass to compatible Sonos systems without needing a traditional wired subwoofer connection across the room.
- Deep Bass Performance: Delivers fuller low-frequency impact that helps movies feel more cinematic and music sound more immersive.
- Force-Cancelling Design: Helps reduce cabinet buzz and vibration for cleaner bass and less unwanted rattle in the room.
- Sonos App Setup: Pairs and configures through the Sonos app, making it approachable for users who want a simpler installation process.
- Home Theatre Enhancement: Gives compatible Sonos soundbars more weight and punch, improving action scenes, effects and soundtrack depth.
- Music Playback Support: Adds richer, deeper bass lines that can make playlists and live recordings sound more balanced and engaging.
- Elegant Black Finish: Blends neatly into modern entertainment spaces and matches other Sonos components for a cohesive look.
- Flexible Placement Orientation: Can be positioned to suit different room layouts, helping it fit more easily into contemporary living spaces.
Q: Does the Sonos Sub Gen3 work with non-Sonos soundbars or AV receivers?
A: No. The Sonos Sub Gen3 is designed to work only within a Sonos speaker system. It connects over Sonos wireless networking or Ethernet, and it cannot be physically connected to a traditional subwoofer output on a TV, soundbar or AV receiver.
Q: Can the Sonos Sub Gen3 be used on its own as a standalone speaker?
A: No. The Sonos Sub Gen3 is an add-on subwoofer made to extend bass in an existing Sonos setup, not a standalone speaker. It is best paired with compatible Sonos soundbars or speakers, where it handles low frequencies while the main speaker covers the rest.
Q: Can the Sonos Sub Gen3 be placed flat as well as upright?
A: Yes. The Sonos Sub Gen3 can sit vertically or be laid flat, which helps when fitting it beside furniture or under some low units. It is still a large subwoofer, so allow enough floor space and keep airflow around the cabinet unobstructed.
Q: Does the Sonos Sub Gen3 use Bluetooth for audio?
A: No. The Sonos Sub Gen3 does not use Bluetooth for audio playback. It works over Wi-Fi as part of the Sonos multi-room platform, with Ethernet available as a wired network option, so it is intended for integrated Sonos rooms rather than direct phone pairing.
Q: Can you adjust the bass level on the Sonos Sub Gen3?
A: Yes. The Sonos app lets you control the Sub's bass level, so it can add subtle low-end support at moderate listening levels or deliver much stronger bass when wanted. That makes it easier to tune the sound for movies, music and room size.